CUTLER HAMMER HJD 65K HJD3250F 1491D82G03 3 POLE INDUSTRIAL MCCB FRAME

This Cutler Hammer HJD3250F (HJD65K) is a J‑Frame 3‑pole molded case circuit breaker frame, rated 250A, 600VAC, 65kA@480V interrupt capacity; 1491D82G03 is the matching door coupling rotary operating mechanism accessory. The HJD65K MCCB frame provides main mechanical contact structure and bus connection for heavy-duty three-phase power distribution switching. The HJD65K MCCB frame accepts interchangeable thermal-magnetic trip units for overload and short-circuit protection. The HJD65K MCCB frame can be fitted with auxiliary contacts, shunt trip and cabinet door rotary operator 1491D82G03 for local cabinet door safe operation. The HJD65K MCCB frame meets UL489 standard, widely used in industrial and marine main switchboard MCCB cabinets.

This set delivers high short-circuit breaking capability for low voltage power distribution protection. The HJD3250F MCCB unit supports bolt-on type main terminals for stable high-current wiring. The HJD3250F MCCB unit has high impulse withstand voltage and strong arc quenching structure for heavy load switching. The HJD3250F MCCB unit works with 1491D82G03 rotary operator to achieve ON/OFF control from outside switchboard door with safety interlock. The HJD3250F MCCB unit is commonly installed on marine vessel main switchboard, genset feeder and heavy machinery power control cabinets.

It serves as a critical spare power distribution component for low voltage switchboard maintenance and retrofit. The Cutler Hammer HJD3250F MCCB frame is manufactured to original Eaton factory specifications for direct replacement. The Cutler Hammer HJD3250F MCCB frame protects generators and loads from overcurrent fault and reduces equipment downtime during overhaul. The Cutler Hammer HJD3250F MCCB frame supports simple assembly of trip units and 1491D82G03 door operating accessory. The Cutler Hammer HJD3250F MCCB frame is stocked by global marine electrical automation spare parts suppliers worldwide.