{"product_id":"kbwm-240-9381-dc-drives-nema-1","title":"KB Electronics KBWM-240 (9381) DC Drives, NEMA-1, 230 Vac, Thru 0.75 HP, 0-180 VDC","description":"\u003cp\u003eKBWM-240 (9381) DC Drives, NEMA-1, 230 Vac, Thru 0.75 HP, 0-180 VDC\u003c\/p\u003e\n\n\u003cp\u003eThe KBWM™ Vari-Drive™ adjustable speed SCR\u003cbr\u003e\ncontrol for DC motors offers proven reliability in a rugged\u003cbr\u003e\nall-metal NEMA-1 enclosure. The Vari-Drives are equipped with\u003cbr\u003e\nthe ultimate KBMM™ speed control module. They are specifically\u003cbr\u003e\ndesigned for fractional horsepower permanent magnet (PM)\u003cbr\u003e\nDC motors. Two models are offered. The KBWM-120 is\u003cbr\u003e\ndesigned for 115 VAC input and is rated 1\/100 - 1\/3Hp at 90\u003cbr\u003e\nVDC. For motors rated 1\/50 - 3\/4 Hp at 180 VDC use Model\u003cbr\u003e\nKBWM-240.\u003cbr\u003e\nKB’s exclusive Plug-in Horsepower Resistor®*\u003cbr\u003e\nautomatically presets the drive’s IR Comp and CL circuits for\u003cbr\u003e\nsafe operation on various motors. Although factory\u003cbr\u003e\ncalibrated, internal trimpots for Min, Max, IR, CL, Accel and\u003cbr\u003e\nDecel can be used to fine-tune the KBWM™ for specific\u003cbr\u003e\napplications. Connections to the control are via a barrier\u003cbr\u003e\nterminal block. By changing the orientation of the front cover,\u003cbr\u003e\nthe wiring can be brought in either from the bottom or the top\u003cbr\u003e\nof the control.\u003cbr\u003e\nMotor failure due to demagnetization is eliminated by the\u003cbr\u003e\npatented ultra-fast Direct-Fed™ current limit circuit. The\u003cbr\u003e\ncontrols contain AC line and armature* fusing, which provide\u003cbr\u003e\nprotection against catastrophic failure. Auto-Inhibit®, a KB\u003cbr\u003e\nexclusive, allows the drive to be turned on and off rapidly using\u003cbr\u003e\nthe AC line without damage to the control and\/or motor. The\u003cbr\u003e\ninternal CL LED is a diagnostic indicator that lights when the\u003cbr\u003e\nmotor is overloaded.\u003cbr\u003e\nA conveniently located front panel lighted rocker switch\u003cbr\u003e\ncontrols AC line input power to the drive.\u003cbr\u003e\n*Plug-in Horsepower Resistor® and armature fuse supplied separately\u003c\/p\u003e\n\n\n\u003cp\u003eDimensions: 3.70\" x 6.80\" x 3.00\"\u003c\/p\u003e","brand":"Industrial Motors","offers":[{"title":"Default Title","offer_id":51663115616578,"sku":"KBWM-240","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2298\/4002\/files\/kbwm__92693.jpg?v=1766405966","url":"https:\/\/industrialmotors.com\/products\/kbwm-240-9381-dc-drives-nema-1","provider":"Industrial Motors","version":"1.0","type":"link"}