Product Description: The Square D PJA36100U44A is a Molded Case Circuit Breaker from the Powerpact family. It features a 3-pole design with a 600V, 1000A rating and a 65kA@480V AIC rating. This breaker uses an I-Line Style Plug-In connection and includes solid-state protection with LSIG functions. Key Features: ✔ Part Number: PJA36100U44A ✔ Manufacturer: Square D ✔ Category: Circuit Breaker ✔ Subcategory: Molded Case ✔ Family: Powerpact ✔ Type: PJA ✔ Voltage: 600V ✔ Amperage: 1000A ✔ Phase: 3 ✔ Poles: 3 ✔ AIC Rating: 65kA@480V ✔ Connection: I-Line Style Plug-In ✔ Functions: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault) ✔ Frame Size: P Frame ✔ UPC: 785901282235 ✔ GTIN: 00785901282235 ✔ Country of Origin: United States ✔ Dimensions: 8.05" D x 8.27" W x 16.16" H ✔ Weight: 38 lb ✔