UM Series Circuit Breakers

Results: 452
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (CRC) 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 10A MCB CCHAR 3 PL 480Y/277VAC UL508
Datasheet
32In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers C-Trip 10 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 6A MCB CCHARL 480Y/277VAC UL508
Datasheet
1In Stock
Min.: 1
Mult.: 1

UM 6 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 5A CRT BRKR ECHAR 277VAC UL508
Datasheet
2In Stock
Min.: 1
Mult.: 1

UM 5 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 1BU3A MCB B CHar 1 pl 277V UL 508
Datasheet
1In Stock
Min.: 1
Mult.: 1

UM 3 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER
Datasheet
7In Stock
Min.: 1
Mult.: 1
UM Circuit Breakers D-Trip 1 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 40A D Characteristic UL 508 1 POLE
Datasheet
11In Stock
1Expected 10/16/2026
Min.: 1
Mult.: 1

UM 40 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 Breakers Z-Trip 13 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 32A Z Characteristic UL 508 1 POLE
Datasheet
12In Stock
Min.: 1
Mult.: 1

UM 32 A 277 VAC 24 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 3.5A MCB GCHAR 1pl 277VAC UL508
Datasheet
3In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers G-Trip 3.5 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A MCB B CHAR 3 PL 480Y/277VAC UL508
Datasheet
32In Stock
Min.: 1
Mult.: 1

UM 20 A 277 VAC 60 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 13A MCB B Char 1pl 277VAC UL508
Datasheet
1In Stock
Min.: 1
Mult.: 1

UM 13 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 15A CRT BRKR BCHAR 1pl UL508
Datasheet
10In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers B-Trip 15 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 30A CRT BRKR BCHAR 1pl UL508
Datasheet
10In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers 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
2In Stock
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
25In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers C-Trip 10 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 5A CRT BRKR CCHAR 277VAC UL508
Datasheet
1In Stock
Min.: 1
Mult.: 1

UM 15 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 16A MCB CCHAR 1pl 277VAC UL508
Datasheet
1In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers C-Trip 16 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 2A MCB CCHAR 1pl 277VAC UL508
Datasheet
13In Stock
Min.: 1
Mult.: 1

UM 2 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 Breakers 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 Breakers C-Trip 4 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 5A MCB CCHAR 1pl 277VAC UL508
Datasheet
13In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers C-Trip 5 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 Breakers C-Trip 6 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 8A MCB CCHAR 1pl 277VAC UL508
Datasheet
1In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers C-Trip 8 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
24In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers D-Trip 10 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 15A D Characteristic UL 508 1 POLE
Datasheet
4In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers D-Trip 15 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated