UL 1077 DIN Rail Supplementary Protectors

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1 UL 0 DIN Rail Supplementary Protectors Product Overview UL 0 DIN Rail Supplementary Protectors PRODUCT OVERVIEW Product Overview Standard Features WMZS breaker terminals provide finger and back-of-hand protection to guard against accidental contact with live parts. A color-coded red/green indicator provides immediate visual indication of device status (green for OFF, red for ON) and isolation function. All WMZS breakers also incorporate a trip-free mechanism. This prevents the trip function from being defeated by holding the operator in the ON position. Eaton s WMZS line of miniature circuit breakers includes a broad range of devices defined as supplementary protectors. These breakers comply with ULT 0 and CSAT. No. regulations defining supplementary overcurrent protection. In these applications, branch circuit protection is not required, or is provided by a separate device like a fuse or molded case circuit breaker. WMZS Supplementary Protectors are typically used for control circuits, lighting, business equipment, appliances and a range of other applications where closer protection is desired than that offered by a branch circuit protection device. Worldwide Acceptance WMZS Supplementary Protectors are UL Recognized for use in the United States in accordance with NFPAT 0 (NECT). The devices comply with UL 0 and CSA. No., meeting the requirements for supplementary protectors. These devices also comply with IEC 9- and are CE marked. Extensive Product Range Eaton s Supplementary Protectors are available in -, - and -pole configurations and 0 different current ratings from 0.A to A. Three different trip characteristics, including B, C and D curves, give you the ability to configure the exact protection scheme you require. Devices can be used in applications up to Vac and with short-circuit ratings up to 0 ka. Ease of Installation All breakers mount on a standard mm DIN rail. Each device has box terminals that accept multiple conductors. Bus connectors and feeder terminals facilitate mounting and wiring of multiple miniature circuit breaker arrays in control panel assemblies. Power to the circuit breakers can also be fed from the line or load side. eaton corporation UL 0 DIN Rail Supplementary Protectors

2 UL 0 DIN Rail Supplementary Protectors PRODUCT OVERVIEW Discover These Advanced Features Three Tripping Curves to Choose Breakers install on standard DIN rail Captive posidrive terminal screws with finger and back-of-hand protection (IP0) Eaton WMZS Supplementary Protectors are available with three different tripping characteristics, including Type B, C and D. Definitions for each trip curve are contained on the ordering pages and can be used to determine the optimal characteristic for your application. For example, low level short-circuit faults in control wiring, such as PLCs, are best protected by devices with Type B trip characteristics ( to X continuous rating of the device (I n ). Product Overview Available in -, - and -pole models Color-coded indicator provides breaker status for easy troubleshooting Trip-free design; breaker cannot be defeated by holding the handle in the ON position Breaker information printed on the front of the device for quick identification Even though not required by NEC or CEC for Supplementary Protectors, Eaton s WMZS devices are current limiting, which means they interrupt fault currents within one half cycle. Current limiting devices offer superior protection by reducing peak letthrough current and energy Time-current characteristic acc. to UL 0 a conventional non-tripping current I nt =. I N : t > h b conventional tripping current I t =. I N : t < h c. I N : t = s (I N < A) t = 0 s (I N < A) d Type B: I N : t > 0. s e Type B: I N : t < 0. s f Type C: I N : t > 0. s g Type C: 0 I N : t < 0. s 0 0 h Type D: 0 I N : t > 0. s i Type D: 0 I N : t < 0. s t [sec] B C 8 D I / I N Catalog Numbering System WMZS B 0 Breaker Family Ampere Rating WMZS = Supplementary Protector Number of Poles = -Pole = -Pole = -Pole Protective Curve B = B Curve ( X I n ) C = C Curve ( 0X I n ) D = D Curve (0 0X I n ) 00 = 0. Amps 0 = Amps 0 = Amps 0 = Amps 0 = Amps 0 = Amps 0 = Amps 0 = Amps 08 = 8 Amps 0 = 0 Amps = Amps = Amps = Amps 0 = 0 Amps = Amps 0 = 0 Amps = Amps 0 = 0 Amps 0 = 0 Amps = Amps eaton corporation UL 0 DIN Rail Supplementary Protectors

3 UL 0 DIN Rail Supplementary Protectors PRODUCT SELECTION WMZS Product Selection C Curve ( 0X I n Current Rating) Designed for inductive loads Response time of instantaneous trip: 0X I n current rating UL Recognized and CSA Certified as Supplementary Protectors For international and domestic use (conform to IEC 9-) Specified non-tripping current I NT =. x I N for t > h Specified tripping current I T =. x I N for t < h a. I N : t = s (I N < A) t = 0 s (I N > A) b Type B: x I N : t > 0. s c Type B: x I N : t < 0. s d Type C: x I N : t > 0. s Suitable for applications where medium levels of inrush current are expected. Instantaneous trip is 0X rating of device (I n ). Applications include small transformers, lighting, pilot devices, control circuits, and coils. Medium magnetic trip point e Type C: 0 x I N : t < 0. s f Type D: 0 x I N : t > 0. s g Type D: 0 x I N : t < 0. s C Curve ( 0X I n Current Rating) Designed for Inductive Loads a t [sec] B C D Product Selection Pole -Pole -Pole 0.00 Amperes 0. Catalog Number Catalog Number Catalog Number WMZSC00 WMZSC0 WMZSC0 WMZSC0 WMZSC0 WMZSC0 WMZSC00 WMZSC0 WMZSC0 WMZSC0 WMZSC0 WMZSC0 WMZSC00 WMZSC0 WMZSC0 WMZSC0 WMZSC0 WMZSC I / I N WMZSC0 WMZSC0 WMZSC08 WMZSC0 WMZSC0 WMZSC08 WMZSC0 WMZSC0 WMZSC08 0 WMZSC0 WMZSC WMZSC WMZSC0 WMZSC WMZSC WMZSC0 WMZSC WMZSC 0 WMZSC WMZSC0 WMZSC WMZSC WMZSC0 WMZSC WMZSC WMZSC0 WMZSC 0 0 WMZSC0 WMZSC WMZSC0 WMZSC0 WMZSC WMZSC0 WMZSC0 WMZSC WMZSC0 0 WMZSC0 WMZSC WMZSC0 WMZSC WMZSC0 WMZSC a In North America, these switches are UL recognized and CSA certified as Supplementary Protection devices. Per the intent of NEC (National Electrical Code), Article 0, and CEC (Canadian Electrical Code), Part C., supplementary breakers cannot be used as a substitute for the branch circuit protective device. They can be used to provide overcurrent protection within an appliance or other electrical equipment where branch circuit overcurrent protection is already provided, or is not required. For our complete product offering, see the Distribution Products Catalog (CA000E). eaton corporation UL 0 DIN Rail Supplementary Protectors

4 Technical Data UL 0 DIN Rail Supplementary Protectors Description B Curve C Curve D Curve Electrical Approvals Standards IEC/EN 9- UR (UL 0), CSA (CSA. No. ), CE TECHNICAL DATA Short-Circuit Trip Response x I n x 0 I n 0 x 0 I n Supplementary Protectors UL / CSA Current Range A 0. A 0. 0A Maximum Voltage Ratings UL / CSA -Pole -, -Pole Poles in Series Thermal Tripping Characteristics Single-Pole Multi-Pole Short-Circuit Ratings (at Max. Voltage) -Pole -, -Pole -Pole Poles in Series Miniature Circuit Breaker IEC Vac Y/ Vac Vdc. x I 0 C. x I 0 C 0 ka ( ka for 0 A Device) 0 ka ( ka for 0 A Device) 0 0 Vdc Vac Y/ Vac Vdc. x I 0 C. x I 0 C 0 ka ( ka for 0 A Device) 0 ka ( ka for 0 A Device) 0 0 Vdc Vac Y/ Vac Vdc. x I 0 C. x I 0 C ka ka 0 0 Vdc Current Range A 0. A 0. 0A Maximum Voltage Ratings IEC 9- -Pole -, -Pole Maximum Voltage Ratings IEC 898 -Pole -, -Pole Thermal Tripping Characteristics Single-Pole Multi-pole Interrupt Ratings (at Max. Voltage) IEC 9- IEC 898 Operational Switching Capacity Max. Back-Up Fuse [gl/gg] Rated Impulse Withstand U imp Rated Insulation Voltage U i Environmental / General Selectivity Class Lifespan (Operations) Shock (IEC 8--) Operating Temperature Range Shipment & Short-Term Storage Housing Material Mechanical Standard Front Dimension Device Height Terminal Protection Mounting Width per Pole Mounting Degree of Protection Terminals Top and Bottom Supply Connection Terminal Capacity [mm ] Torque Imperial Torque Thickness of Bus Bar Material Mounting Position 0 Vac 0/00 Vac 0 Vac 0/ Vac 0 Vac 0/00 Vac 0 Vac 0/ Vac 0 Vac 0/00 Vac 0 Vac 0/ Vac > x I n > x I n > x I n < x I n < x I n < x I n ka 0 ka. ka A 000 Vac 0 Vac > 0000 ( operation = ON/OFF) 0g 0 ms + +0 F (- +0 C) F (-0 +8 C) Nylon mm Finger and Back-of-Hand Proof to IEC. mm IEC/EN Top-Hat Rail IP0 Twin-Purpose Terminals Line or Load Side x (AWG 8) / x 0 (AWG 8 8). Nm lb-in (AWG 8 ), lb-in (AWG 0 8), lb-in (AWG ) 0.8 mm As Required ka 0 ka. ka A 000 Vac 0 Vac > 0000 ( operation = ON/OFF) 0g 0 ms + +0 F (- +0 C) F (-0 +8 C) Nylon mm Finger and Back-of-Hand Proof to IEC. mm IEC/EN Top-Hat Rail IP0 Twin-Purpose Terminals Line or Load Side x (AWG 8) / x 0 (AWG 8 8). Nm lb-in (AWG 8 ), lb-in (AWG 0 8), lb-in (AWG ) 0.8 mm As Required ka 0 ka. ka A 000 Vac 0 Vac > 0000 ( operation = ON/OFF) 0g 0 ms + +0 F (- +0 C) F (-0 +8 C) Nylon mm Finger and Back-of-Hand Proof to IEC. mm IEC/EN Top-Hat Rail IP0 Twin-Purpose Terminals Line or Load Side x (AWG 8) / x 0 (AWG 8 8). Nm lb-in (AWG 8 ), lb-in (AWG 0 8), lb-in (AWG ) 0.8 mm As Required Technical Data eaton corporation UL 0 DIN Rail Supplementary Protectors

5 Influence of the Ambient Temperature on the Thermal Tripping Behavior Corrected values of the rated current dependent on the ambient temperature Ambient Temperature T UL 0 DIN Rail Supplementary Protectors TECHNICAL DATA I n (A) C -0 C -0 C 0 C 0 C 0 C 0 C C 0 C C 0 C C C Influence of the Mains Frequency Influence of the mains frequency on the tripping behavior I MA of the instantaneous release Mains Frequency f [Hz] / I MA (f)i MA (0 Hz) [%] Technical Data Load Carrying Capacity of Adjoining Miniature Circuit Breakers.00 Rated diversity factor Number of circuit breakers eaton corporation UL 0 DIN Rail Supplementary Protectors

6 UL 0 DIN Rail Supplementary Protectors TECHNICAL DATA Dimensions Miniature Circuit Breakers WMZS P P P Auxiliary Contacts WMZSAUX Shunt Releases WMZSST Technical Data WMZSAUXTRIP 9 Undervoltage Releases WMZSUVR eaton corporation UL 0 DIN Rail Supplementary Protectors

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