Enhance your industrial control transformers with the Hammond Power Solutions SPFBAK1 Fuse Block Adapter Kit. Designed for the HPS Imperator series, this kit offers a simple and cost-effective solution for adding finger-safe covers and terminal block options. Its snap-on connection ensures quick and easy installation, providing added safety and functionality to your transformer setup.The SPFBAK1 is a three-pole adapter fuse holder designed for use with various Hammond Power Solutions industrial control transformers, including AR, QR, PR, KHR, SR, KHP, SP, NJ, ACP, and MQMJ series. It features a snap-on connection and clamp-screw terminals. The adapter supports a rated insulation voltage of 690 V and an impulse withstand voltage of 6 kV, operating at frequencies from 25 to 400 Hz. It has an operational current of 10 A (AC4 at 400V) and a conventional free air thermal current of 32 A. The making capacity is 250 A (RMS), with breaking capacities of 200 A (at =440V), 184 A (at 500V), and 102 A (at 690V). The kit includes an adapter plate, mounting clips, and mounting screws. Terminal tightening torque for pole terminals is 1.5-1.8 Nm (13-16 lb.in), and for coil terminals is 0.8-1 Nm (7.1-8.8 lb.in). It accommodates conductor sections from 16 to 8 AWG stranded and 1 to 6 mm² flexible.