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Enclosed Circuit Breaker

Enclosed Circuit Breakers for a Variety of Applications

Our enclosed circuit breakers are offered in steel, stainless steel, and fiberglass enclosures for use in a variety of applications and environments. They consist of a thermal magnetic molded case circuit breaker mounted in a UL listed circuit breaker enclosure with a through the door handle for operation. The handle mechanism does not allow the cover to be opened without the breaker being in the OFF position. This is a safety precaution that de-energizes components in the panel. Neutral assemblies are offered as an option.

The ABB Tmax molded case circuit breakers offered here are fitted with thermomagnetic trip units. All ABB circuit breakers in accordance with the UL 489 and CSA C22.2 standard can be used in installations with wye or delta distribution systems since use of the circuit breaker at 480V AC is guaranteed, even for the smallest Tmax T1 size.

Enclosed Circuit Breaker Features

  • ABB circuit breakers, UL 489 listed
  • Sizes offered: 15 – 1200 A
  • Circuit breaker enclosure options: N1, N3R, N4X-Fiberglass, N4X-Stainless Steel
  • Accessories include: Shunt trip, Undervoltage release, Auxiliary contacts
  • Lockable external handle
Filter:
Poles
Voltage
Amperage
Reset Button
Product Name+  Model  POLES  VOLTAGE  AMPERAGE   
ENCLOSED CIRCUIT BREAKER
ECB-15A
2 OR 3 208/240/277/480 15 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-20A
2 OR 3 208/240/277/480 20 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-25A
2 OR 3 208/240/277/480 25 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-30A
2 OR 3 208/240/277/480 30 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-40A
2 OR 3 208/240/277/480 40 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-50A
2 OR 3 208/240/277/480 50 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-60A
2 OR 3 208/240/277/480 60 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-70A
2 OR 3 208/240/277/480 70 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-80A
2 OR 3 208/240/277/480 80 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-90A
2 OR 3 208/240/277/480 90 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-100A
2 OR 3 208/240/277/480 100 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-125A
2 OR 3 208/240/277/480 125 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-150A
2 OR 3 208/240/277/480 150 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-175A
2 OR 3 208/240/277/480 175 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-200A
2 OR 3 208/240/277/480 200 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-225A
2 OR 3 208/240/277/480 225 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-250A
2 OR 3 208/240/277/480 250 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-300A
2 OR 3 208/240/277/480 300 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-400A
2 OR 3 208/240/277/480 400 Choose Options Button

ENCLOSED CIRCUIT BREAKER
ECB-600A
2 OR 3 208/240/277/480 600 Choose Options Button

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