Series EMCRT
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TELEDYNE RELAYS A Teledyne Technologies Company NEW Series EMCRT Three-Phase Motor Reverser 480 Vac, Up to 7.5 kW FEATURES/BENEFITS • Controls and reverses three-phase motors without direct third leg (two legs) • IP20 touch-proof housing • Up to 10hp motors • Very high immunity components, 1600 Vpeak • All solid-state components • Built-in snubber and MOV • Forward/Reverse display LED Part Number Description EMCRT48D50 3x480 Vac 4kW Motor Reverser EMCRT48D75 3x480 Vac 7.5 kW Motor Reverser Switch Type2 Line Voltage1 Output Current - Amps NOTES 1) Line Voltage (nominal): 48 = 480 Vdc nominal 2) Switch Type: D = zero-cross turn-on ELECTRICAL SPECIFICATIONS (+25°C ambient temperature unless otherwise specified) INPUT (CONTROL) SPECIFICATIONS Min Max Units Input Current Range 15 25 mAdc Must Turn-Off Voltage 6 Vdc Reversing Time (fixed) 70 ms Protection Against Simultaneous Control Yes LED Yes EMCRT Series © 2005 TELEDYNE RELAYS (800) 284-7007 • www.teledynerelays.com

TELEDYNE RELAYS ATeledyne Technologies Company NEW Series EMCRT Three-Phase Motor Reverser 480 Vac, Up to 7.5 kW Mains - or load Mains or load Load or mains Mains or load Load or mains ELECTRICAL SPECIFICATIONS (+20°C ambient temperature unless otherwise specified) OUTPUT (LOAD) SPECIFICATIONS Min Max Units Mains Voltage Range EMCRT48D50 24 Non-Repetitive Peak Voltage Load Current (Motor Load) EMCRT48D50 0.1 Three-Pole Power Motor EMCRT48D50 EMCRT48D75 Voltage Drop Non-Repetitive Overload Current EMCRT48D50 EMCRT48D75 I2t@ 10ms EMCRT48D50 EMCRT48D75 Power Factor (Rated...

NEW Series EMCRT Three-Phase Motor Reverser 480 Vac, Up to 7.5 kW TELEDYNE RELAYS ATeledyne Technologies Company THERMAL CHARACTERISTICS Load Current (Arms) Ambient Temperature (°C) SURGE CURRENT © 2005 TELEDYNE RELAYS (800) 284-7007 • www.teledynerelays.com

NEW Series EMCRT Three-Phase Motor Reverser 480 Vac, Up to 7.5 kW Screwdriver Type Recommended Torque Fine Stranded (with ferrule) Fine Stranded (with ferrule) TELEDYNE RELAYS ATeledyne Technologies Company CONTROL WIRING POWER WIRING Screwdriver Type Recommended Torque Fine Stranded (with ferrule) Fine Stranded (with ferrule) APPLICATION WITH ONE PHASE MOTOR The EMCRT relay, initially developed to reverse three-phase asynchronous motors, can be used for reversing single phase motors. This relay has four power switches, a reversing temporization and a lock in case of simultaneous controls....