Main Circuit Breakers
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125 A maximum field-installable EDB, EGB, or EJB
(100 A max at 600Y/347 Vac) -
125 A maximum field-installable HD, HG, HJ, HL, or HR
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250 A maximum field-installable JD, JG, JJ, JL, or JR
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400 A maximum field-installable LA, LH ,LG, LJ, LL, or LR*
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600 A maximum field-installable LG, LJ, LL, or LR*
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800 A maximum factory installed MG, PG, PJ, or PL
Circuit Breaker Kits and Accessories
PowerPacT™ H-, J-, and L-frame circuit breakers are available with shunt trip, ground fault shunt trip, undervoltage trip, time delay, auxiliary switches, and alarm switches.
Field-installable undervoltage release, alarm switch, shunt trip, and auxiliary contacts are available for LA, and LH main circuit breaker interiors.
Main Circuit Breaker Adapter Kits (Circuit Breaker Not Included)
| Adapter Kit Catalog Number | Ampere Rating | Main Circuit Breaker* |
|---|---|---|
| 15–125 A* | HD, HG, HJ, HL, HR | |
| 150–250 A | JD, JG, JJ, JL, JR | |
| 125–400 A | LA, LH | |
| 400–600 A | LG, LJ, LL or LR |



