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 (JPY) 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 4A MCB CCHAR 3 PL 480Y/277VAC UL508
Datasheet
10In Stock
Min.: 1
Mult.: 1

UM 4 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 15A D Characteristic UL 508 3 POLE
Datasheet
5In Stock
Min.: 1
Mult.: 1

UM 15 A 277 VAC 60 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 2A D Characteristic UL 508 3 POLE
Datasheet
1In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers 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
7In 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 Breakers E-Trip 20 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A D Characteristic UL 508 1 POLE
Datasheet
11Expected 8/13/2026
Min.: 1
Mult.: 1

UM 20 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
6Expected 11/10/2026
Min.: 1
Mult.: 1

UM Circuit Breakers D-Trip 30 A 277 VAC 24 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 6A D Characteristic UL 508 1 POLE
Datasheet
2Expected 9/14/2026
Min.: 1
Mult.: 1

UM 6 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 15A CRT BKR ECHAR 277VAC UL508
Datasheet
5Expected 8/13/2026
Min.: 1
Mult.: 1

UM Circuit Breakers E-Trip 15 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 10A G Characteristic UL 508 1 POLE
Datasheet
21Expected 12/14/2026
Min.: 1
Mult.: 1

UM 10 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A G Characteristic UL 508 1 POLE
Datasheet
9On Order
Min.: 1
Mult.: 1

UM Circuit Breakers G-Trip 20 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 30A CRT BRKR CCHAR 277VAC UL508
Datasheet
6Expected 11/10/2026
Min.: 1
Mult.: 1

UM 30 A 277 VAC 60 VDC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 16A MCB GCHAR 1P+N 277VAC UL508
Datasheet
21Expected 8/14/2026
Min.: 1
Mult.: 1

UM 16 A 277 VAC 80 VDC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A MCB GCHAR 1P+N 277VAC UL508
Datasheet
12Expected 8/14/2026
Min.: 1
Mult.: 1

UM 20 A 277 VAC 80 VDC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 30A MCB ZCHAR 1P+N 277VAC UL508
Datasheet
5Expected 9/14/2026
Min.: 1
Mult.: 1

UM Circuit Breakers Z-Trip 30 A 277 VAC 60 VDC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 1.6.A MCB B Char 1 pl 277VAC UL508
Datasheet
8Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UM Circuit Breakers B-Trip 1.6 A 277 VAC 80 VDC 2 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 10A MCB B Char 1pl 277VAC UL508
Datasheet
114Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UM Circuit Breakers B-Trip 10 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 16A MCB B Char 1pl 277VAC UL508
Datasheet
104Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UM 16 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 1A MCB B Char 1 pl 277VAC UL508
Datasheet
67Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UM 1 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 1B2.5UM, 2.5A, CIRCUIT BREAKER
Datasheet
7Factory Stock Available
More Info Available
Min.: 1
Mult.: 1
UM Circuit Breakers B-Trip 2.5 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 25A MCB B Char 1pl 277VAC UL508
Datasheet
15Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UM 25 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 2A MCB B Char 1 pl UL508
Datasheet
6Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UM 2 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 4A MCB B Char 1 pl 277V UL 508
Datasheet
25Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UM 4 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 50A MCB B Char 1pl 277VAC UL508
Datasheet
12Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UM 50 A 277 VAC 24 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 60A MCB B Char 1pl 277VAC UL508
Datasheet
3Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

UM 60 A 277 VAC 24 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated