10SST120 Crydom - Relays

10SST120 Description

Crydom makes the 10SST120, a solid state relay. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.

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Summary of Features

Target Applications

Crydom 10SST120 is used for proportional power control of resistive heaters in ovens, furnaces, plastic processing and other process heating applications.

Key Specifications

Crydom 10SST120 is an SST Series soft-start module with 10 A output (for use with Series 1 random-fire SSRs), 120 VAC line, 3.5-10 VDC control. The datasheet marks this series obsolete. Source: Crydom SST Series datasheet. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	90-140 Vrms
Maximum load current	10 Arms
Minimum load current	0.04 Arms
Transient overvoltage	400 Vpk
Maximum surge current (16.6 ms)	120 Apk
Maximum on-state voltage drop @ rated current	1.6 Vpk
Thermal resistance junction to case (Rjc)	1.48 °C/W
Maximum I²t for fusing (8.3 ms)	60 A²s
Maximum off-state leakage @ rated voltage	10 mArms
Minimum off-state dv/dt	500 V/µs
Control module
Control voltage range	3.5-10 VDC

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