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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Eaton Cutler-Hammer BR350ST 50A 3P 240V Circuit Breaker, Type BR, Plug-On, Shunt Trip | AmpState

Regular price $473.00
Sale price $473.00 Regular price
Unit price
The Eaton Cutler-Hammer BR350ST 50A 3P 240V Circuit Breaker, Type BR, Plug-On, Shunt Trip from...

Westinghouse BR360ST 60A 3P 240V Circuit Breaker, Type BR, Plug-On, Shunt Trip | AmpState

Regular price $696.00
Sale price $696.00 Regular price
Unit price
The Westinghouse BR360ST is a purpose-built 60A, 3-pole, 240V circuit breaker designed to protect panelboards,...

Siemens B33000S01 30A 3P 240V Circuit Breaker, Bolt-On, Shunt Trip | AmpState

Regular price $776.00
Sale price $776.00 Regular price
Unit price
The Siemens B33000S01 30A 3P 240V Circuit Breaker with Bolt-On Shunt Trip is a precise,...

Siemens B34000S01 40A 3P 240V Circuit Breaker, Shunt Trip | AmpState

Regular price $712.00
Sale price $712.00 Regular price
Unit price
Siemens B34000S01 is a 40A, 3-pole, 240V circuit breaker with a shunt trip accessory, engineered...

Siemens B36000S01 60A 3P Circuit Breaker, Bolt-On, Shunt Trip | AmpState

Regular price $960.00
Sale price $960.00 Regular price
Unit price
Engineered for reliability, the Siemens B36000S01 60A 3P bolt-on circuit breaker with shunt trip delivers...

Siemens B35000S01 50A 3P 240V Circuit Breaker, Bolt-On, Shunt Trip | AmpState

Regular price $776.00
Sale price $776.00 Regular price
Unit price
Siemens B35000S01 50A 3P 240V Circuit Breaker with Bolt-On Shunt Trip is purpose-built for reliable...

Eaton Cutler-Hammer BAB3050HS 50A 3P 240V Circuit Breaker, Bolt-On, Shunt Trip | AmpState

Regular price $965.00
Sale price $965.00 Regular price
Unit price
Meet the Eaton Cutler-Hammer BAB3050HS — a 50 A, 3-pole, 240 V circuit breaker designed...

Siemens Q12000S01 20A 1P Circuit Breaker, Shunt Trip | AmpState

Regular price $359.00
Sale price $359.00 Regular price
Unit price
Meet the Siemens Q12000S01 20A 1P Shunt Trip Circuit Breaker — a compact, dependable protection...

Eaton Cutler-Hammer BAB3060HS 60A 3P 240V Circuit Breaker, Bolt-On, Shunt Trip | AmpState

Regular price $1,160.00
Sale price $1,160.00 Regular price
Unit price
The Eaton Cutler-Hammer BAB3060HS is a 60 Amp, 3-pole, 240-volt circuit breaker designed to deliver...

HYUNDAI ELECTRICAL HL-100E CIRCUIT BREAKER 600VAC 75KA 15A 3P SHUNT TRIP TESTED

Regular price $531.00
Sale price $531.00 Regular price
Unit price
Meet the HYUNDAI ELECTRICAL HL-100E Circuit Breaker — a rugged, dependable protection device built for...

SCHNEIDER LV429070 MICROLOGIC 2.2 CIRCUIT BREAKER TRIP UNIT 100A

Regular price $523.00
Sale price $523.00 Regular price
Unit price
Schneider Electric's LV429070 MicroLogic 2.2 Circuit Breaker Trip Unit in a 100 A rating delivers...

General Electric TQD22225 /TQST1 Shunt Trip Circuit Breaker 2 Pole 225 Amp 240V

Regular price $1,266.00
Sale price $1,266.00 Regular price
Unit price
General Electric’s TQD22225 / TQST1 Shunt Trip Circuit Breaker delivers reliable two-pole protection with integrated...
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