CMRA4865 Crydom - Relays

CMRA4865 Description

CMRA4865 is a 480 V, 65 A solid state relay made by Crydom. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.

USComponent has been supplying power semiconductors since 2001, including discontinued and hard-to-find part numbers. Send us an RFQ for the CMRA4865 and we will reply with price, condition and lead time. Please check the manufacturer's datasheet to confirm ratings, package and pin-out before you order.

Summary of Features

Target Applications

Crydom CMRA4865 is used for switching AC loads in industrial heating and temperature control (ovens, furnaces, plastic molding and extrusion machines), packaging and food processing equipment, lighting control, HVAC systems and industrial automation.

Key Specifications

Crydom CMRA4865 is a 65 A DIN-rail solid state relay with integral heat sink, CMR48 Series (45 mm wide, 48-530 VAC), SCR output, AC control (90-140 Vrms), zero voltage turn-on, LED input indicator. Source: Crydom CMR48 Series datasheet. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	48-530 Vrms
Maximum load current	65 Arms
Transient overvoltage	1200 Vpk
Minimum load current	0.25 Arms
Maximum surge current	1145/1200 Apk (1 cycle, 50/60 Hz)
Maximum on-state voltage drop @ rated current	1.7 Vpk
Maximum off-state leakage @ rated voltage	10 mArms
Minimum off-state dv/dt	500 V/µs
Thermal resistance junction to case (Rjc)	0.28 °C/W
Maximum I²t for fusing	6560/5976 A²s (1/2 cycle, 50/60 Hz)
Switching type	zero voltage turn-on
Input
Control voltage range	90-140 Vrms
Turn-on / turn-off voltage	90 Vrms / 10 Vrms
Typical input current	15 mA @ 120 Vrms
Maximum turn-on / turn-off time	10 ms / 40 ms
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-40 to 80°C
Weight (typical)	16.8 oz (476 g)

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