Autonics SR1-4475 - Single-Phase Solid State Relay (Detachable Heatsink Type)

Name: Autonics SR1-4475 - Single-Phase Solid State Relay (Detachable Heatsink Type)
Brand: Autonics
SKU: AutonicsSR1-4475
Price: 102.95 USD
Availability: InStock

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Autonics SR1 Series Type SSR Single Phase Separated Heatsink (48 - 480 VAC)

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SSR, Heatsink Separated, Single phase, Input 90-240VAC, Load 48-480VAC, 75A, Zero cross

Rated input voltage: 90-240VAC~
Rated load voltage: 48-480VAC~
Dielectric strength: 2500VAC~ 50/60Hz 1 min (Input-Output, Input/Output-Case)
Rated load current: 75A
Function: Zero cross turn-on

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Autonics SR1-4475 - Single-Phase Solid State Relay (Detachable Heatsink Type)

SR1 Series

Rated input voltage: 90-240VAC~
Rated load voltage: 48-480VAC~
Dielectric strength: 2500VAC~ 50/60Hz 1 min (Input-Output, Input/Output-Case)
Rated load current: 75A
Function: Zero cross turn-on

The SR1 series single phase solid state relays feature compact, universal designs for flexible installation and detachable heatsinks for easier maintenance or replacement. The solid state relays provide durable and stable control, for optimal performance in various applications including heater loads, semiconductor equipment, and motor control.

Compact, universal design for flexible installation
High heat dissipation efficiency with ceramic PCB
Zero cross turn-on, random turn-on models available
Input indicator (green LED)

Specifications
Input
Range	4-30VDC input voltage					90-240VAC input voltage
Input voltage range	4-32VDC					85-264VACrms (50/60Hz)
Max. input current	9mA (Zero cross turn-on), 13mA (Random turn-on)					7mArms (240VACrms)
Pick-up voltage	4VDC					85VACrms
Drop-out voltage	1VDC					10VACrms
Turn-on time
Zero cross turn-on	Max. 0.5 cycle of load source + 1ms					Max. 1.5 cycle of load source + 1ms
Random turn-on	Max. 1ms
Turn-off time	Max. 0.5 cycle of load source + 1ms					Max. 1.5 cycle of load source + 1ms
Output
Range:	24-240VAC load voltage					48-480VAC load voltage
Load voltage range (50/60Hz)	24-264VACrms					48-528VACrms
Rated load current Ta	25℃
Resistive load (AC-51)	15Arms	25Arms	40Arms	50Arms	75Arms	15Arms	25Arms	40Arms	50Arms	75Arms
Motor load (AC-53a)	-----------					5Arms	8Arms		15Arms
Min. load current	0.15Arms	0.2Arms		0.5Arms		0.5Arms
Max. 1cycle surge current (60Hz)	190A	270A	330A	1000A		300A	500A		1000A
Max. non-repetitive surge current (I²t, t=8.3ms)	150A²S	300A²S	500A²S	4000A²S		350A²S	1000A²S		4000A²S
Peak voltage (non-repetitive)	600V					1200V (zero cross turn-on), 1000V (random turn-on)
Leakage current (Ta=25℃)	Max. 10mArms
Output on voltage drop[Vpk] (Max. load current)	Max. 1.6V
Static off-state dv/dt	500V/μs
General Specifications
Certification	UL508, CSA22.2 No.14 and IEC/EN 60947-4-3
Dielectric strength (Vrms)	4000VAC 50/60Hz 1min. (input-output, input/output-case)
Insulation resistance	Min. 100MΩ (at 500VDC megger)
Input LED	Green
Environment
Ambient temperature	-30 to 80℃, storage: -30 to 100℃ (Rated load current capacity is different based on the surrounding temperature.
Ambient humidity	45 to 85%RH, storage: 45 to 85%RH
Input terminal connection	Min. 1 × 0.5mm² (1 × AWG20) Max. 1 × 1.5mm² (1 × AWG16) or 2 × 1.5mm² (2 × AWG16)
Output terminal connection	Min. 1 × 1.5mm² (1 × AWG16) Max. 1 × 16mm² (1 × AWG6) or 2 × 6mm² (2 × AWG10)
Input terminal fixed torque	0.75 to 0.95N.m
Output terminal fixed torque	1.6 to 2.2N.m
Unit weight	Approx. 73g

* For controlling motor load, use the product which load voltage range is within 48-480VACrms.
* For wiring the terminal, an O-ring terminal must be used.
* Environment resistance is rated at no freezing or condensation.