WEG UMBW-4D2-8 MINI CIRCUIT BREAKER UMBW-4D2-8 ACCESSORIES FOR CIRCUIT BREAKERS-MOTORS

WEG UMBW-4D2-8 MINI CIRCUIT BREAKER UMBW-4D2-8 ACCESSORIES FOR CIRCUIT BREAKERS-MOTORSIntroducing 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 D Number of poles 2 poles Rated current 8 A Maximum voltage 277 480 VAC 125 VDC Type Thermal magnetic Attributes UL approval UL489 Trip curve D Number of poles 2 poles Rated current 8 A

Amperes 454/227 A LRC 6

25 % Rated voltage 230/460 V Rated current 242/121 A L

830 kg / 6

06 A LRC 6

2 kW) Number of Poles 2 Frequency 50 Hz Rated speed 2890 rpm Slip 3

Standard NEMA MG-1 Frequency 60 Hz Voltage 460 V Number of poles 4 Degree of Protection IP55 Synchronous speed 1800 rpm Output rating 400 HP Mounting F-1 Flange Without Terminal box¹ Left position Enclosure IC411 - TEFC Electric Motors

Start Type Direct Single-phase Maximum Power Rating Not applicable Rated operational voltage Ue<=600V Control voltage 180-208V50HZ/208-240V60HZ Control devices A-On-Off Button Degree of protection TYPE1 Starters Complements Does Not Contain Rated current (AC-3) 9A (CWB9) Overload relay 4-6

weight³ 1489 lb Efficiency

00 % Rated voltage 415 V Rated current 311 A L

8 LOCKED ROTOR TORQUE UOM OZFT KVA CODE LETTER F LOCKED ROTOR AMPS 129

9x(Code F) No load current 42

lb Locked rotor torque 200 % Breakdown torque 220 % Locked rotor time 21s (cold) 12s (hot) Moment of inertia (J) 3