Circuit Breaker Accessories

Shop breaker trip units, rating plugs, shunt trips, auxiliary switches, undervoltage releases, closing coils, lugs, handles, mounting hardware, and related circuit-breaker accessories.

Accessories are frame- and series-specific. Send the breaker catalog number, frame, trip-unit label, control voltage, accessory function, and clear photos so Ampstate can verify compatibility before quoting.

Email sales@ampstate.com for technical matching and availability.

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Square D S33661 120V Circuit Breaker, Shunt Trip | AmpState

Regular price $2,491.00
Sale price $2,491.00 Regular price
Unit price
Meet the Square D S33661 120V Shunt Trip Circuit Breaker — a purpose-built protection device...

GE THQL2160ST1 60A 2P 240V Circuit Breaker, Plug-On, Shunt Trip | AmpState

Regular price $880.00
Sale price $880.00 Regular price
Unit price
GE THQL2160ST1 is a 60 A, 2-pole, 240 V circuit breaker with plug-on mounting and...

GE THQL2115ST1 15A 2P 240V Circuit Breaker, Shunt Trip | AmpState

Regular price $567.00
Sale price $567.00 Regular price
Unit price
Introducing the GE THQL2115ST1, a 15-amp, 2-pole, 240-volt circuit breaker finished in the THQL family....

Eaton Cutler-Hammer QBHW2050S 50A 2P 240V Circuit Breaker, Bolt-On, Shunt Trip | AmpState

Regular price $1,427.00
Sale price $1,427.00 Regular price
Unit price
The Eaton Cutler-Hammer QBHW2050S is a purpose-built circuit breaker designed to protect panelboards, load centers,...

GE THQB32015ST1 15A 3P 240V Circuit Breaker, Bolt-On, Shunt Trip | AmpState

Regular price $809.00
Sale price $809.00 Regular price
Unit price
GE THQB32015ST1 is a 3-pole, 15-amp, 240-volt circuit breaker designed for reliable protection in panelboards,...

Siemens Q37000S01 70A 3P 240V Circuit Breaker, Shunt Trip | AmpState

Regular price $872.00
Sale price $872.00 Regular price
Unit price
The Siemens Q37000S01 70A 3P 240V Shunt Trip circuit breaker is built for everyday electrical...

33659 30V Circuit Breaker, Shunt Trip | AmpState

Regular price $10.00
Sale price $10.00 Regular price
Unit price
Meet the 33659 30V Circuit Breaker with Shunt Trip, now available from AmpState. Designed for...

Eaton Cutler-Hammer BR245ST 45A 2P 240V Circuit Breaker, Plug-On, Shunt Trip | AmpState

Regular price $772.00
Sale price $772.00 Regular price
Unit price
Eaton Cutler-Hammer BR245ST is a 45 A, 2-pole, 240 V circuit breaker engineered for reliable...

Siemens BQ1B02000S01 20A 1P 120V Circuit Breaker, Shunt Trip | AmpState

Regular price $648.00
Sale price $648.00 Regular price
Unit price
Siemens BQ1B02000S01 is a 1-pole, 20A, 120V circuit breaker with shunt-trip, built for reliable circuit...

GE THQL2140ST1 40A 2P 240V Circuit Breaker, Shunt Trip | AmpState

Regular price $615.00
Sale price $615.00 Regular price
Unit price
Meet the GE THQL2140ST1 40A 2P 240V Circuit Breaker with a built-in shunt trip —...

Square D QOB31001021 100A 3P 240V Circuit Breaker, QO, Bolt-On, Shunt Trip | AmpState

Regular price $1,574.00
Sale price $1,574.00 Regular price
Unit price
Introducing the Square D QOB31001021, a 3-pole, 100-amp circuit breaker engineered for dependable protection in...

GE THQB32100ST1 100A 3P 240V Circuit Breaker, Bolt-On, Shunt Trip | AmpState

Regular price $1,064.00
Sale price $1,064.00 Regular price
Unit price
When reliability and precise protection matter, the GE THQB32100ST1 stands up to the task. This...
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