CMRD4865P Crydom - Relays

CMRD4865P Description

The Crydom CMRD4865P is a solid state relay, rated for 480 V and 65 A. Typical uses include temperature control of heaters, packaging and plastics machinery, and general industrial load switching.

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Summary of Features

Target Applications

Crydom CMRD4865P 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 CMRD4865P is a 65 A DIN-rail solid state relay with integral heat sink, CMR48 Series (45 mm wide, 48-530 VAC), SCR output, DC control (4-32 VDC), zero voltage turn-on, LED input indicator, with overvoltage protection. 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	4-32 VDC
Minimum turn-on / turn-off voltage	4.0 VDC / 1.0 VDC
Typical input current	14 mA @ 5 VDC (max 30 mA)
Maximum turn-on / turn-off time	1/2 cycle / 1/2 cycle
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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