Accessories & Replacement Parts

Accessories and replacement parts are essential for maintaining, repairing, and upgrading electrical distribution and motor control systems. These components support safe operation, restore functionality, and extend the service life of breakers, MCC buckets, and panel equipment.

AmpState’s Accessories & Replacement Parts collection includes breaker accessories, MCC bucket parts, coils, lugs, hardware kits, and retrofit components suitable for maintenance, upgrades, and legacy system support.

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Square D QO3201021 20A 3P 240V Circuit Breaker, Plug-On, Shunt Trip | AmpState

Regular price $10.00
Sale price $10.00 Regular price
Unit price
Meet the Square D QO3201021 — a purpose-built circuit breaker engineered for reliable protection in...

Eaton Cutler-Hammer BAB3030HS 30A 3P Circuit Breaker, Shunt Trip | AmpState

Regular price $937.00
Sale price $937.00 Regular price
Unit price
Eaton Cutler-Hammer BAB3030HS is a 30 A, 3‑pole circuit breaker with shunt‑trip capability, engineered to...

Westinghouse BR340ST 40A 3P 240V Circuit Breaker, Type BR, Plug-On, Shunt Trip | AmpState

Regular price $696.00
Sale price $696.00 Regular price
Unit price
Westinghouse BR340ST is a 40 A, 3-pole, 240 V circuit breaker designed for reliable circuit...

GE THQB2150ST1 50A 2P 240V Circuit Breaker, Shunt Trip | AmpState

Regular price $474.00
Sale price $474.00 Regular price
Unit price
The GE THQB2150ST1 50A 2P 240V circuit breaker with shunt trip is a rugged, reliable...

Square D S29386 130V Circuit Breaker, Shunt Trip | AmpState

Regular price $1,257.00
Sale price $1,257.00 Regular price
Unit price
The Square D S29386 130V Shunt Trip Circuit Breaker is a purpose-built protective device crafted...

Square D QO31001021 100A 3P 240V Circuit Breaker, Plug-On, Shunt Trip | AmpState

Regular price $1,962.00
Sale price $1,962.00 Regular price
Unit price
Discover the Square D QO31001021, a purpose-built circuit breaker engineered to safeguard panelboards, load centers,...

Siemens B310000S01 100A 3P 240V Circuit Breaker, Bolt-On, Shunt Trip | AmpState

Regular price $4,238.00
Sale price $4,238.00 Regular price
Unit price
The Siemens B310000S01 100A 3P 240V Bolt-On Shunt Trip circuit breaker is purpose-built for dependable...

Eaton Cutler-Hammer BAB3070HS 70A 3P Circuit Breaker, Bolt-On, Shunt Trip | AmpState

Regular price $1,013.00
Sale price $1,013.00 Regular price
Unit price
Meet the Eaton Cutler-Hammer BAB3070HS — a purpose-built 70 A, 3-pole circuit breaker engineered for...

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...
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