WEG UMBW-1B1-2 MINI CIRCUIT BREAKER UMBW-1B1-2 All Capacitors

WEG UMBW-1B1-2 MINI CIRCUIT BREAKER UMBW-1B1-2 All CapacitorsIntroducing 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 UL1077 Trip curve B Number of poles 1 pole Rated current 2 A Maximum voltage 277 VAC Type Thermal magnetic Attributes UL approval UL1077 Trip curve B Number of poles 1 pole Rated current 2 A Maximum voltage

50 % Rated voltage 415 V Rated current 273 A L

15 STARTCAPMFD N\A SHIPPING WEIGHT 140 BREAKDOWN TORQUE 293 BREAKDOWN TORQUE UOM PERCENT OF FLT LOCKED ROTOR TORQUE 173 LOCKED ROTOR TORQUE UOM PERCENT OF FLT INSULATION CLASS F KVA CODE LETTER G LOCKED ROTOR AMPS 79

51 A LRC 4

lb Locked rotor torque 220 % Breakdown torque 260 % Locked rotor time 37s (cold) 21s (hot) Moment of inertia (J) 2

Degree of Protection IP55 Enclosure IC411 - TEFC Mounting B3T Rotation¹ Both (CW and CCW) Noise level² 64

25 % Rated voltage 380 V Rated current 71

automatic Shaft Material SAE 1040/45 Carbon Steel Painting Only primer Grounding Lugs Single Fan Cover material Steel Tropicalized Painting Without Fan material Plastic Bearing cap No-Without Bearing Cap Bolt Material Carbon Steel Balancing Method 1/2 Key Drip Cover Without Resilient Base Without Overload protector (phenolic) Without overload protector Downloads

Amperes 1069 A LRC 6

lb Locked rotor torque 170 % Breakdown torque 200 % Locked rotor time 102s (cold) 57s (hot) Moment of inertia (J) 330 sq

lb Locked rotor torque 210 % Breakdown torque 240 % Locked rotor time 77s (cold) 43s (hot) Moment of inertia (J) 57

4x(Code G) No load current 41

Frame 364/5JP Output 40 HP (30 kW) Number of Poles 6 Frequency 50 Hz Rated speed 985 rpm Slip 1