Masterpact. Installation recommendations

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2 Installation recommendations Presentation Functions and characteristics 9 Dimensions and connection 5 Electrical diagrams 8 Operating conditions 92 Installation in switchboard 9 Door interlock catch 96 Cable-type door interlock 97 Connection of MN, MX and XF voltage releases 97 Power connection 98 Recommended busbars drilling 00 Busbar sizing 02 Temperature derating 0 Power dissipation and input/output resistance 0 Derating in switchboards 05 Substitution kit 2 Additional characteristics 5 References 2 9

3 Test Test Test Installation recommendations Operating conditions E5260B Ambient temperature devices can operate under the following temperature conditions: c the electrical and mechanical characteristics are stipulated for an ambient temperature of -5 C to +70 C; c circuit-breaker closing is guaranteed down to -5 C; Storage conditions are as follows: c -0 to +85 C for a device without its control unit c - C to +85 C for the control unit. E526B Extreme atmospheric conditions devices have successfully passed the tests defined by the following standards for extreme atmospheric conditions: c IEC 68-2-: dry cold at -55 C; c IEC : dry heat at +85 C; c IEC : damp heat (temperature +55 C, relative humidity 95%); c IEC level 2: salt mist. devices can operate in the industrial environments defined by standard IEC 97 (pollution degree up to ). It is nonetheless advised to check that the devices are installed in suitably cooled switchboards without excessive dust. E5262B Vibrations devices are guaranteed against electromagnetic or mechanical vibrations. Tests are carried out in compliance with standard IEC for the levels required by merchant-marine inspection organisations (Veritas, Lloyd s, etc.): c 2 to.2 Hz: amplitude ± mm; c.2 to 00 Hz: constant acceleration 0.7 g. Excessive vibration may cause tripping, breaks in connections or damage to mechanical parts. 92

4 Test Test E526B 2000 m Altitude At altitudes higher than 2000 metres, the modifications in the ambient air (electrical resistance, cooling capacity) lower the following characteristics as follows: Altitude (m) Dielectric resistance voltage (V) Average insulation level (V) Maximum utilisation voltage (V) Average thermal x In 0.99 x In 0.96 x In 0.9 x In current (A) at 0 C E526B Electromagnetic disturbances devices are protected against: c overvoltages caused by devices that generate electromagnetic disturbances; c overvoltages caused by atmospheric disturbances or by a distribution-system outage (e.g. failure of a lighting system); c devices emitting radio waves (radios, walkie-talkies, radar, etc.); c electrostatic discharges produced by users. devices have successfully passed the electromagnetic-compatibility tests (EMC) defined by the following international standards: c IEC , appendix F; c IEC , appendix B (trip units with earth-leakage function). The above tests guarantee that: c no nuisance tripping occurs; c tripping times are respected. 9

5 Installation recommendations Installation in switchboard E7658A E7656A E765A E7650A Possible positions Power supply devices can be supplied either from the top or from the bottom without reduction in performance, in order to facilitate connection when installed in a switchboard. Mounting the circuit-breaker It is important to distribute the weight of the device uniformily over a rigid mounting surface such as rails or a base plate. This mounting plane should be perfectly flat (tolerance on support flatness: 2 mm). This eliminates any risk of deformation which could interfere with correct operation of the circuit breaker. devices can also be mounted on a vertical plane using the special brackets. Mounting on rails. E765A E7657A E7652A Mounting with vertical brackets. 9

6 Partitions Sufficient openings must be provided in partitions to ensure good air circulation around the circuit breaker; For high currents, of 00 A and upwards, the metal supports or barriers in the immediate vicinity of a conductor must be made of non-magnetic material A; Metal barriers through which a conductor passes must not form a magnetic loop. E7659A A A : non magnetic material E7660A E766A Busbars The mechanical connection must be exclude the possibility of formation of a magnetic loop around a conductor. E7662B non magnetic material Interphase barrier Increases the length of the tracking path between phases; Reduces the risk of short circuits being caused by objects falling from above onto circuit breaker connections. E766A E766 F 5 (NT) 5 (NW) Dimensions and weights Main dimensions in mm (H x W x D) NT06/2 NW08/0 NW0b/6 drawout P 22 x 288 x x x x 786 x 95 P 22 x 58 x x 556 x x 06 x 95 fixed P 0 x 276 x 2 52 x 22 x x 767 x 297 P 0 x 6 x 2 52 x 57 x x 997 x 297 Weight (kg) NT06/2 NW08/0 NW0b/6 drawout P P fixed P P

7 Installation recommendations Door interlock catch Mounted on the right or left-hand side of the craddle, this device inhibits opening of the cubicle door when the circuit breaker is in «connected» or «test» position. It the breaker is put in the «connected» position with the door open, the door may be closed without having to disconnect the circuit breaker. E7669B Y X 5 8 Catch not supplied () (2) 5 7 Dimensions (mm) Type () (2) NT08-6 (P) 5 68 NT08-6 (P) NW08-0 (P) NW08-0 (P) 0 NW0b-6 (P) 660 NW0b-6 (P) 775 Breaker in connected or test position Door cannot be opened E7670A door F () (2) Dimensions (mm) Type () (2) NT 5 2 NW 8 0 Breaker in disconnected position Door can be opened E767A Note: The door interlock can either be mounted on the right side or the left side of the breaker. F Datum. 96

8 Cable-type door interlock Connection of MN, MX and XF voltage releases NT/NW Cable-type door interlock This option prevents door opening when the circuit breaker is closed and prevents circuit breaker closing when the door is open. For this, a special plate associated with a lock and a cable is mounted on the right side of the circuit breaker. With this interlock installed, the source changeover function cannot be implemented. E59A E595A E59B Wiring of voltage releases During pick-up, the power consumed is approximately 50 to 200 VA. For low control voltages (2, 2, 8 V), maximum cable lengths are imposed by the voltage and the cross-sectional area of cables. Recommanded maximum cable lengths (meter) 2 V 2 V 8 V 2,5 mm 2,5 mm 2 2,5 mm 2,5 mm 2 2,5 mm 2,5 mm 2 MN U source 00 % U source 85 % MX-XF U source 00 % U source 85 % Note: the indicated length is that of each of the two wires 97

9 Installation recommendations Power connection Cables connections If cables are used for the power connections, make sure that they do not apply excessive mechanical forces to the circuit breaker terminals. For this, make the connections as follows: c extend the circuit breaker terminals using short bars designed and installed according to the recommendations for bar-type power connections: v for a single cable, use solution B opposite v for multiple cables, use solution C opposite. c in all cases, follow the general rules for connections to busbars: v position the cable lugs before inserting the bolts v the cables should firmly secured to the framework of the switchboard. Busbars connections The busbars should be suitably adjusted to ensure that the connection points are positioned on the terminals before the bolts are inserted B The connections are held by the support which is solidly fixed to the framework of the switchboard, such that the circuit breaker terminals do not have to support its weight C. (This support should be placed close to the terminals). E767A E7672A E7677A E7675A B E B C A B E767A E7676A C E Electrodynamic stresses The first busbar support or spacer shall be situated within a maximum distance from the connection point of the breaker (see table below). This distance must be respected so that the connection can withstand the electrodynamic stresses between phases in the event of a short circuit. Maximum distance A between busbar to circuit breaker connection and the first busbar support or spacer with respect to the value of the prospective short-circuit current. Isc (ka) distance A (mm)

10 E7678A 2 5 Clamping Correct clamping of busbars depends amongst other things, on the tightening torques used for the nuts and bolts. Over-tightening may have the same consequences as under-tightening. For connecting busbars (Cu ETP-NFA5-00) to the circuit breaker, the tightening torques to be used are shown in the table below. These values are for use with copper busbars and steel nuts and bolts, class 8.8. The same torques can be used with AGS-T52 quality aluminium bars (French standard NFA 02-0 or American National Standard H-5-). Examples E7665 E7667B E terminal screw factory-tightened to 6 Nm (NW), Nm (NT) 2 breaker terminal busbar bolt 5 washer 6 nut Tightening torques Ø Ø tightening torque (Nm) with contact nominal (mm) drilling (mm) with grower or or corrugatec flat washers washers Busbar drilling Examples E70A E7A E729A Isolation distance E7679A E7680A Dimensions (mm) Ui X min 600 V 8 mm 000 V mm Busbar bending When bending busbars maintain the radius indicated below(a smaller radius would cause cracks). r e X Dimensions (mm) e radius of curvature r min recommended to 20 99

11 Installation recommendations Recommended busbars drilling NT06 to NT6 Rear connection Rear connection with spreaders E5908A 50 E5908A Ø2 maxi 50 E5909A,5 Ø2 maxi 6 Ø2 maxi E590A Ø2 maxi Middle left or middle Middle spreader Left or right spreader Left or right spreader right spreader for P for P for P for P E592A 9,5 E59A 77 8,5 = =,5 E5926A 77 8,5 = =,5 E5927A 77 8,5 = =,5 E5928A 77 8,5 = =,5 2 Ø Ø Ø 5 Ø Ø Vertical rear connection E59A 2 E592A 0 E59A 50 E59A 6 E595 A 80 Ø2 maxi Ø2 maxi Ø2 maxi Ø2 maxi Ø2 maxi E5929A 60 9,5 2 Ø Front connection Front connection via vertical connection adapters E5908A 50,5 Ø2 maxi Ø2 maxi E5908A 50 E5909A 6 Ø2 maxi E590A Ø2 maxi E590A Top connection 9,5 2 Ø E59A Bottom connection 2 Ø 9,5 E592A = = Ø

12 NW08 to NW6 Horizontal rear connection NW08 to NW8 NW0b to NW50 E5908A 50 E5909A,5 Ø2 maxi 6 Ø2 maxi E590A 5 80 Ø2 maxi E596A Ø2 maxi E597A Ø2 maxi E59A 76 8 = = E592A Ø,5,5 Y Vertical rear connection NW08 to NW2, NW0b to NW50 E598A 0 E599A 50 E5920A 6 E592A 80 E5922A 00 Ø2 maxi Ø2 maxi Ø2 maxi Ø2 maxi Ø2 maxi E59A,5 7 = = 76 8 Ø,5 Front connection NW08 to NW2 E5908A 50 E5909A,5 Ø2 maxi 6 Ø2 maxi E590A Ø2 maxi Top connection Bottom connection E595A 76 Ø,5 E596A Ø,5 0

13 Installation recommendations Busbar sizing Basis of tables: c maximum permissible busbars temperature: 00 C c Ti: temperature around the circuit breaker and its connection c busbar material is unpainted copper. Front or rear horizontal connection E768A maximum Ti : 0 C Ti : 50 C Ti : 60 C service no. of 5 mm no. of 0 mm no. of 5 mm no. of 0 mm no. of 5 mm no. of 0 mm current thick bars thick bars thick bars thick bars thick bars thick bars NT b.0 x 5 b.0 x 0 2b.0 x 5 b.0 x 0 2b.0 x 5 b.0 x 0 NT b.0 x 5 b.0 x 0 2b.0 x 5 b.0 x 0 2b.0 x 5 b.0 x 0 NT08 or NW b.50 x 5 b.50 x 0 2b.50 x 5 b.50 x 0 2b.50 x 5 b.6 x 0 NT0 or NW0 000 b.50 x 5 b.6 x 0 b.50 x 5 2b.50 x 0 b.6 x 5 2b.50 x 0 NT2 or NW2 0 b.50 x 5 2b.0 x 0 b.50 x 5 2b.50 x 0 b.6 x 5 2b.50 x 0 2b.80 x 5 2b.0 x 0 2b.80 x 5 NT6 or NW6 00 b.50 x 5 2b.0 x 0 2b.80 x 5 2b.50 x 0 b.80 x 5 2b.6 x 0 NT6 or NW6 600 b.6 x 5 2b.50 x 0 b.80 x 5 2b.6 x 0 b.80 x 5 b.50 x 0 NW b.80 x 5 2b.6 x 0 b.80 x 5 2b.6 x 0 b.00 x 5 2b.80 x 0 NW b.00 x 5 2b.80 x 0 b.00 x 5 2b.80 x 0 b.00 x 5 b.6 x 0 NW 2200 b.00 x 5 2b.80 x 0 b.00 x 5 2b.80 x 0 b.80 x 5 2b.00 x 0 NW 00 b.00 x 5 2b.00 x 0 b.00 x 5 2b.00 x 0 b.00 x 5 b.80 x 0 NW b.00 x 5 b.80 x 0 b.00 x 5 b.80 x 0 5b.00 x 5 b.00 x 0 NW b.00 x 5 b.80 x 0 6b.00 x 5 b.00 x 0 8b.00 x 5 b.80 x 0 NW b.00 x 5 b.00 x 0 8b.00 x 5 b.00 x 0 b.00 x 0 NW0 800 b.00 x 0 5b.00 x 0 5b.00 x 0 NW b.00 x 0 5b.00 x 0 6b.00 x 0 NW b.00 x 0 6b.00 x 0 7b.00 x 0 NW b.00 x 0 7b.00 x 0 With NT, it is recommanded to use 50 mm wideness bars (see "Recommended busbars drilling") Example Conditions: c drawout version c horizontal busbars c Ti: 50 C c service current: 800 A. Solution: For Ti = 50 C, use an NW20 which can be connected with three 80x5 mm bars or two mm 6x0 bars. Note The values indicated in these tables have been extrapolated from test data and theoretical calculations. These tables are only intended as a guide and cannot replace industrial experience or a temperature rise test. 02

14 Basis of tables: c maximum permissible busbars temperature: 00 C c Ti: temperature around the circuit breaker and its connection c busbar material is unpainted copper. Rear vertical connection E7682A Maximum Ti: 0 C Ti: 50 C Ti: 60 C service no. of 5 mm no. of 0 mm no. of 5 mm no. of 0 mm no. of 5 mm no. of 0 mm current thick bars thick bars thick bars thick bars thick bars thick bars NT b.0 x 5 b.0 x 0 2b.0 x 5 b.0 x 0 2b.0 x 5 b.0 x 0 NT b.0 x 5 b.0 x 0 2b.0 x 5 b.0 x 0 2b.0 x 5 b.0 x 0 NT08 or NW b.50 x 5 b.50 x 0 2b.50 x 5 b.50 x 0 2b.50 x 5 b.50 x 0 NT0 or NW b.50 x 5 b.50 x 0 2b.50 x 5 b.50 x 0 2b.6 x 5 b.6 x 0 NT2 or NW2 0 2b.6 x 5 b.6 x 0 2b.6 x 5 b.6 x 0 b.50 x 5 2b.50 x 0 NT6 or NW6 00 2b.6 x 5 b.6 x 0 2b.6 x 5 b.6 x 0 b.50 x 5 2b.50 x 0 NT6 or NW b.80 x 5 b.80 x 0 2b.80 x 5 b.80 x 0 b.6 x 5 2b.50 x 0 NW b.80 x 5 b.80 x 0 2b.80 x 5 2b.50 x 0 b.80 x 5 2b.6 x 0 NW b.00 x 5 2b.6 x 0 2b.00 x 5 2b.6 x 0 b.00 x 5 2b.80 x 0 NW b.00 x 5 2b.6 x 0 2b.00 x 5 2b.6 x 0 b.00 x 5 2b.80 x 0 NW 00 b.80 x 5 2b.80 x 0 b.80 x 5 2b.80 x 0 b.00 x 5 b.80 x 0 NW b.00 x 5 2b.00 x 0 b.00 x 5 2b.00 x 0 b.00 x 5 b.80 x 0 NW b.00 x 5 b.80 x 0 6b.00 x 5 b.00 x 0 5b.00 x 5 b.80 x 0 NW b.00 x 5 b.00 x 0 6b.00 x 5 b.00 x 0 b.00 x 0 NW0 800 b.00 x 0 b.00 x 0 b.00 x 0 NW0 000 b.00 x 0 b.00 x 0 b.00 x 0 NW b.00 x 0 5b.00 x 0 6b.00 x 0 NW b.00 x 0 6b.00 x 0 7b.00 x 0 NW b.00 x 0 7b.00 x 0 8b.00 x 0 NW b.00 x 0 8b.00 x 0 Example Conditions: c drawout version c vertical connections c Ti: 0 C c service current: 00 A. Solution : For Ti = 0 C use an NT2 or NW2 which can be connected with two 6 x 5 mm bars or with one 6 x 0 mm bar. Note The values indicated in these tables have been extrapolated from test data and theoretical calculations. These tables are only intended as a guide and cannot replace industrial experience or a temperature rise test. 0

15 Installation recommendations Temperature derating Temperature derating The table below indicates the maximum current rating, for each connection type, as a function of the ambient temperature around the circuit breaker and the busbars. Circuit breakers with mixed connections have the same derating as horizontally connected breakers. For ambient temperatures greater than 60 C, consult us. Ti: temperature around the circuit breaker and its connection version drawout fixed connection front or rear horizontal rear vertical front or rear horizontal rear vertical temp. Ti NT06 H/L NT08 H/L NT0 H/L NT2 H NT6 H NW08 N/H/L NW0 N/H/L NW2 N/H/L NW6 N/H/L NW20 H/H2/H NW20 L NW H/H2/H NW2 H/H2/H NW0 H/H2/H NW0b H/H NW50 H/H NW6 H/H Power dissipation and input / output resistance Total power dissipation is the value measured at IN, 50/60 Hz, for a pole or pole breaker (values above the power P = RI 2 ). The resistance between input / output is the value measured per pole (cold state). version drawout fixed power dissipation (Watts) input/output resistance (µohm) power dissipation (Watts) input/ouput resistance (µohm) NT06 H/L 55/5 (H/L) 8/72 0/5 26/9 NT08 H/L 90/0 (H/L) 8/72 50/80 26/9 NT0 H/L 50/20 (H/L) 8/72 80/0 26/9 NT2 H NT6 H NW08 N NW08 H/L NW0 N NW0 H/L NW2 N NW2 H/L NW6 N NW6 H/L NW20 H/L NW H/H2/H NW2 H/H2/H NW0 H/H2/H NW0b H/H NW50 H/H NW6 H/H

16 Derating in switchboard Factors affecting switchboard design The temperature around the circuit breaker and its connections: This is used to define the type of circuit breaker to be used and its connection arrangement. Vents at the top and bottom of the cubicles: Vents considerably reduce the temperature inside the switchboard, but must be designed so as to respect the degree of protection provided by the enclosure. For weatherproof heavy-duty cubicles, a forced ventilation system may be required. The heat dissipated by the devices installed in the switchboard: This is the heat dissipated by the circuit breakers under normal conditions (service current). The size of the enclosure: This determines the volume for cooling calculations. Switchboard installation mode: Free-standing, against a wall, etc. Horizontal partitions: Partitions can obstruct air circulation within the enclosure. Basis of tables c switchboard dimensions c number of circuit-breakers installed c type of breaker connections c drawout versions c ambient temperature outside of the switchboard: Ta (IEC 609-). NT06-6 H/L (switchboard 2000 x 00 x 00 mm) Type NT06 H/L NT08 H/L NT0 H/L NT2 H NT6 H Switchboard composition 2 Connection type Busbar dimensions (mm) 2b. 0x5 2b. 50x5 b. 6x5 b. 6x5 b. 80x5 2b. 6x5 b. 50x5 b. 6x5 Ventilated switchboard H/L H/L ( IP) / / = 5 C / / = 5 C / / E770A E7709A Non ventilated switchboard ( IP5) = 5 C = 5 C / / /90 000/ / / Note The values indicated in these tables have been extrapolated from test data and theoretical calculations. These tables are only intended as a guide and cannot replace industrial experience or a temperature rise test. 05

17 Installation recommendations Derating in switchboards NT06-08 H/L (switchboard 200 x 00 x 500 mm) Type NT06 H/L NT08 H/L Switchboard composition Connection type 5 2 E77B E772B Busbar dimensions (mm) Ventilated switchboard ( IP) = 5 C 200 = 5 C Non ventilated switchboard ( IP5) = 5 C 200 = 5 C b. 0x5 2b. 50x Note The values indicated in these tables have been extrapolated from test data and theoretical calculations. These tables are only intended as a guide and cannot replace industrial experience or a temperature rise test. 06

18 NT0-6 H/L (switchboard 200 x 00 x 500 mm) Type NT0 H/L NT2 H NT6 H Switchboard composition Connection type 5 2 E77B E772B Busbar dimensions (mm) Ventilated switchboard ( IP) = 5 C 200 = 5 C Non ventilated switchboard ( IP5) = 5 C T 200 a = 5 C b. 6x5 b. 6x5 b. 50x5 b. 80x5 b. 6x5 2b. 6x5 5 H/L H/L H/L H/L 000/ / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / /90 000/ Note The values indicated in these tables have been extrapolated from test data and theoretical calculations. These tables are only intended as a guide and cannot replace industrial experience or a temperature rise test. 07

19 Installation recommendations Derating in switchboards NW08-0 N/H/L (switchboard 200 x 800x 900 mm) Type NW08 N/H/L NW0 N/H/L Switchboard composition 2 Connection type E77A E77A Busbar dimensions (mm) Ventilated switchboard ( IP) = 5 C 200 = 5 C Non ventilated switchboard ( IP5) = 5 C 200 = 5 C b. 50x5 b. 6x5 2b. 6x Note The values indicated in these tables have been extrapolated from test data arnd theoretical calculations. These tables are only intended as a guide and cannot replace industrial experience or a temperature rise test. 08

20 NW2-6 N/H/L (switchboard 200 x 800 x 900 mm) Type NW2 N NW2 H/L NW6 N NW6 H/L Switchboard composition 2 Connection type E77A E77A Busbar dimensions (mm) Ventilated switchboard ( IP) = 5 C 200 = 5 C Non ventilated switchboard ( IP5) = 5 C T 200 a = 5 C b. 6x5 b. 50x5 b. 6x5 b. 50x5 b. 80x5 b. 6x5 b. 80x5 b. 6x Note The values indicated in these tables have been extrapolated from test data and theoretical calculations. These tables are only intended as a guide and cannot replace industrial experience or a temperature rise test. 09

21 Installation recommendations Derating in switchboards NW20-0 N/H/L (switchboard 200 x 800 x 900 mm) Type NW20 H/H2/H NW20 L NW H/2/ NW2 H/2/ NW0 H/2/ Switchboard composition 2 Connection type E77A E77A Busbar dimensions (mm) Ventilated switchboard ( IP) = 5 C 200 = 5 C Non ventilated switchboard ( IP5) = 5 C T 200 a = 5 C b. 00x5 b. 00x5 b. 00x5 b. 00x0 b. 00x Note The values indicated in these tables have been extrapolated from test data and theoretical calculations. These tables are only intended as a guide and cannot replace industrial experience or a temperature rise test. 0

22 NW0b-6 H/H2 (switchboard 200 x 00 x 500 mm) Type NW0b H/H2 NW50 H/H2 NW6 H/H2 Switchboard composition 2 Connection type E776B Busbar dimensions Ventilated switchboard ( IP) 200 = 5 C = 5 C 5b. 00x0 7b. 00x0 8b. 00x E775B Non ventilated switchboard ( IP5) = 5 C = 5 C Note The values indicated in these tables have been extrapolated from test data and theoretical calculations. These tables are only intended as a guide and cannot replace industrial experience or a temperature rise test.

23 Installation recommendations Substitution kit Fixed / drawout devices 800 to 200 A It is possible to replace a (M08 to M2) with a new (NW08 to NW2) with the same power rating. Substitution is possible for the following types of circuit breakers: c N, H, H2 for both fixed and drawout versions c L for drawout versions up to 2000 A. Mounting diagram Fixed version Drawout version E5928B Ø Y 2Ø9,5 X E5929A 2 Ø,5 x 22 Y Ø Ø6,5 Ø9,5 2Ø X Ø, Ø F Ø Ø0,5 200 (P) 5 (P) Ø X 6 F 67,5 (P) 282,5 (P) 267,5 (P) 62,5 : NW : M Fixing points are identical for (M08 to M2) and (NW08 to NW2), except for the four-pole craddle. Door cut-out Fixed version c without an escutcheon, the cut-out is identical (270 x mm). c with the former escutcheon, the cut-out is identical (270 x mm). c with the new escutcheon, the cut-out is different. Drawout version E59220A 295 mini (P) 0 mini (P) 295 mini Y E5922A 00 mini (P) 5 mini (P) Y 00 mini X 270 () 6 (2) 5 () 58 (2) 270 () 79 (2) X 5 () 222 (2) 5, () () 6 (2) 62,5 () 82 (2) () 6 (2) 62,5 () 82 (2) 7 () Power connections Select a set of retrofit connectors to replace the standard connectors and avoid any modifications to the busbars (see the retrofit section in "orders and quotations") Note: () Without escutcheon (2) With escutcheon References X and Y represent the symmetry planes for three-pole devices 2

24 power N L L2 L fault fault AT BPO BPF ready to close Micrologic T T2 T T VN V V2 V Z Z2 Z charged Z Z5 Q I U S M M2 M F F Q Q2 Q S2 M2C M6C SDE2 8 K Res SDE K D D2 C2 MN MX2 MX C C A C2 C A2 A 2 MCH XF PF B B B2 Z2 Z Z22 Z2 Z D C2 C2 A B E5927A M08 to M2 NW08 to NW2 Electrical diagrams Correspondences between NW and M terminal blocks Power Control unit Remote operation E59222A ALR, V, MR6, R options equivalent functions using M2C or M6C or or or CH () SG SG2 X X2 F F2+ 8 D C C A B 2 V DC Indication contacts Craddle contacts E5922A open closed closed not connected or connected and open connected and closed disconnected connected Test 2 CT OF OF OF2 OF OF.. OF CE EF CT2 CT CE CE CE CD CD2 CD or 6 5 Identical to M New or additional functions Different than M () The current transformer for the external neutral must be replaced