UM (V-EA) Circuit Breakers

Altech UM (V-EA) Circuit Breakers are UL 508-listed manual motor controllers that are suitable as motor disconnects. These DIN-rail-mounted circuit breakers are thermal magnetic and have a width of 17.5mm per pole. The series features a 0.3A to 60A current rating, 277VAC voltage rating, and 10kA short circuit withstand capacity. Altech UM (V-EA) Circuit Breakers are ideal for use in AC motor starting, AC general use, AC resistance, AC discharge lamp, and AC incandescent lamp applications.

Results: 452
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Type
Current Rating
Voltage Rating AC
Voltage Rating DC
Number of Poles
Actuator Type
Minimum Operating Temperature
Maximum Operating Temperature
Illuminated
Altech Circuit Breakers 30A CRT BRKR BCHAR 1pl UL508
Datasheet
15In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker B-Trip 30 A 277 VAC 24 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers .3A MCB CChar 1pl 277VAC UL508
Datasheet
1In Stock
1Expected 2026-04-03
Min.: 1
Mult.: 1

UM 300 mA 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 10A MCB CCHAR 1pl 277VAC UL508
Datasheet
48In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker C-Trip 10 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 3A MCB CCHAR 1pl 277VAC UL508
Datasheet
3In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker C-Trip 3 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 4A MCB CCHAR 1pl 277VAC UL508
Datasheet
8In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker C-Trip 4 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 6A MCB CCHAR 1pl 277VAC UL508
Datasheet
14In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker C-Trip 6 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 10A D Characteristic UL 508 1 POLE
Datasheet
32In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker D-Trip 10 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 1A D Characteristic UL 508 1 POLE
Datasheet
5In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker D-Trip 1 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 30A D Characteristic UL 508 1 POLE
Datasheet
4In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker D-Trip 30 A 277 VAC 24 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 40A D Characteristic UL 508 1 POLE
Datasheet
11In Stock
1Expected 2026-05-12
Min.: 1
Mult.: 1

UM 40 A 277 VAC 24 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508
Datasheet
6In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker E-Trip 4 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508
Datasheet
11In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker E-Trip 50 A 277 VAC 24 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 16A G Characteristic UL 508 1 POLE
Datasheet
10In Stock
Min.: 1
Mult.: 1

UM 16 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 30A G Characteristic UL 508 1 POLE
Datasheet
3In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker G-Trip 30 A 277 VAC 24 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 13A Z Characteristic UL 508 1 POLE
Datasheet
11In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker Z-Trip 13 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 10A MCB CCHAR 1P+N 277VAC UL508
Datasheet
3In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker C-Trip 10 A 277 VAC 80 VDC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 25A MCB CCHAR 1P+N 277VAC UL508
Datasheet
4In Stock
Min.: 1
Mult.: 1

UM 25 A 277 VAC 80 VDC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 2A MCB DCHAR 1P+N 277VAC UL508
Datasheet
5In Stock
Min.: 1
Mult.: 1

UM 2 A 277 VAC 80 VDC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 2.5A MCB GCHAR 1P+N 277VAC UL508
Datasheet
28In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker G-Trip 2.5 A 277 VAC 80 VDC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 1A MCB CCHAR 3 PL 480Y/277VAC UL508
Datasheet
1In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker C-Trip 1 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER
Datasheet
7In Stock
Min.: 1
Mult.: 1
UM Circuit Breaker D-Trip 1 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 2A D Characteristic UL 508 3 POLE
Datasheet
2In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker D-Trip 2 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 30A D Characteristic UL 508 3 POLE
Datasheet
11In Stock
Min.: 1
Mult.: 1

UM 30 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A CRT BRKR ECHAR 277VAC UL508
Datasheet
4In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker E-Trip 20 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 6A G Characteristic UL 508 1 POLE
Datasheet
10In Stock
Min.: 1
Mult.: 1

UM 6 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated