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 QO3351021 Shunt Trip, 35A, 3-Pole, 120V

Regular price $949.00
Sale price $949.00 Regular price
Unit price
QO3351021The Square D QO3351021 is a shunt trip used for industrial electrical service, maintenance, and...

Cutler-Hammer JT3250TA Trip Unit, 250A, 3-Pole, 600V

Regular price $4,546.00
Sale price $4,546.00 Regular price
Unit price
JT3250TAThe Cutler-Hammer JT3250TA is a trip unit used for industrial electrical service, maintenance, and replacement...

Cutler-Hammer KT2125T Trip Unit, 125A, 2-Pole, 600V

Regular price $884.00
Sale price $884.00 Regular price
Unit price
KT2125TThe Cutler-Hammer KT2125T is a trip unit used for industrial electrical service, maintenance, and replacement...

Cutler-Hammer KT4400T Trip Unit

Regular price $6,992.00
Sale price $6,992.00 Regular price
Unit price
KT4400TThe Cutler-Hammer KT4400T is a trip unit used for industrial electrical service, maintenance, and replacement...

Siemens WLETU745 Trip Unit

Regular price $10,975.00
Sale price $10,975.00 Regular price
Unit price
WLETU745The Siemens WLETU745 is a trip unit used for industrial electrical service, maintenance, and replacement...

Siemens 3VA5450-5EC31-0AA0 Trip Unit, 500A, 3-Pole, 480V

Regular price $9,465.00
Sale price $9,465.00 Regular price
Unit price
3VA5450-5EC31-0AA0The Siemens 3VA5450-5EC31-0AA0 is a trip unit used for industrial electrical service, maintenance, and replacement...

Siemens 3VA4120-6ED24-0AA0 Trip Unit, 20A, 2-Pole, 480V

Regular price $1,382.00
Sale price $1,382.00 Regular price
Unit price
3VA4120-6ED24-0AA0The Siemens 3VA4120-6ED24-0AA0 is a trip unit used for industrial electrical service, maintenance, and replacement...

OZ/Gedney 30500 Trip Unit, 150A, 3-Pole, 600V

Regular price $460.00
Sale price $460.00 Regular price
Unit price
30500The OZ/Gedney 30500 is a trip unit used for industrial electrical service, maintenance, and replacement...

Siemens 3VA4111-5ED34-0AA0 Trip Unit, 110A, 3-Pole, 480V

Regular price $3,809.00
Sale price $3,809.00 Regular price
Unit price
3VA4111-5ED34-0AA0The Siemens 3VA4111-5ED34-0AA0 is a trip unit used for industrial electrical service, maintenance, and replacement...

Siemens 3VA4112-5ED34-0AA0 Trip Unit, 125A, 3-Pole, 347V

Regular price $3,609.00
Sale price $3,609.00 Regular price
Unit price
3VA4112-5ED34-0AA0The Siemens 3VA4112-5ED34-0AA0 is a trip unit used for industrial electrical service, maintenance, and replacement...

Siemens 3VA4125-5ED14-0AA0 Trip Unit, 25A, 1-Pole, 277V

Regular price $460.00
Sale price $460.00 Regular price
Unit price
3VA4125-5ED14-0AA0The Siemens 3VA4125-5ED14-0AA0 is a trip unit used for industrial electrical service, maintenance, and replacement...

Siemens 3VA4140-6ED14-0AA0 Trip Unit, 40A, 1-Pole, 277V

Regular price $753.00
Sale price $753.00 Regular price
Unit price
3VA4140-6ED14-0AA0The Siemens 3VA4140-6ED14-0AA0 is a trip unit used for industrial electrical service, maintenance, and replacement...
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