WEG UMBW-4C2-20 MINI CIRCUIT BREAKER UMBW-4C2-20 POWER CONTACTORS

WEG UMBW-4C2-20 MINI CIRCUIT BREAKER UMBW-4C2-20 POWER CONTACTORSIntroducing the new WEG UMBW Series thermal magnetic miniature circuit breakers. This new offering includes both UL489 and UL1077 approvals to provide a solution for circuit and equipment protection in industrial electrical equipment. UL approval UL489 Trip curve C Number of poles 2 poles Rated current 20 A Maximum voltage 277 480 VAC 125 VDC Type Thermal magnetic Attributes UL approval UL489 Trip curve C Number of poles 2 poles Rated current 20 A

9 POLES 2 NUMBER SPEEDS 1 RPM 3560 HERTZ 60 VOLTS PRIMARY 575 VOLTS 575 FRME 364 SHAFT CODE TS MOUNTING HORZ-FOOTED ASSEMBLY POSITION F1 MOTOR TYPE DE OPPOSITE END BEARING 6212-2Z-J/C3 SHAFT END BEARING 6212-2Z-J/C3 AMBIENT 40 SERVICE FACTOR 1

lb Locked rotor torque 240 % Breakdown torque 280 % Locked rotor time 36s (cold) 20s (hot) Moment of inertia (J) 9

2 NEMA NOMINAL EFFICIENCY 86

1 kW) Number of Poles 6 Frequency 50 Hz Rated speed 965 rpm Slip 3

208-230/460 V 60 Hz 4P 380 V 50 Hz 4P IE3 400 V 50 Hz 4P IE3 415 V 50 Hz 4P IE3 380/380 V 50 Hz 4P IE1 400 V 50 Hz 4P IE2 415 V 50 Hz 4P IE2

3 POLES 6 NUMBER SPEEDS 1 RPM 1190 HERTZ 60 VOLTS PRIMARY 460 VOLTS 460 FRME 405 SHAFT CODE U MOUNTING HORZ-FOOTED ASSEMBLY POSITION F1 MOTOR TYPE JDE OPPOSITE END BEARING 80BC03JPP3 SHAFT END BEARING 80BC03JPP3 AMBIENT 40 ROTATION DUAL SERVICE FACTOR 1

Amperes 388 A LRC 6

5 NEMA NOMINAL EFFICIENCY 82

50 % Rated voltage 380 V Rated current 15

Amperes 204 A LRC 6

to UL) 600 V Rated impulse withstand voltage Uimp 8 kV Rated operational frequency 50/60Hz Suitable for use with DC loads No Maximum operating frequency 15 ops

lb Locked rotor torque 240 % Breakdown torque 350 % Locked rotor time 10s (cold) 6s (hot) Moment of inertia (J) 1