🔍 Can't find your part? We source far beyond this catalog — list any MRO part, even if it's not listed here, and we'll quote it direct from Korean makers.

Solid State Relay

6 products solid-state-relay ✕

[AUTONICS] SR1 Series Single-Phase SSR with Detachable Heatsink

Single-phase solid state relays with detachable heatsink. Heatsink can be replaced separately for maintenance. 20/40/60/90 A load current ratings. DC and AC control input variants. Suitable for higher-power applications than integrated-heatsink models.

Brand: Autonics Category: Solid State Relay 16 models

Product Code	Brand	Spec
AUTONICS-SR1-2025D	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 20 A 240V load \| 4-30 VDC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-2025A	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 20 A 240V load \| 90-240 VAC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-2050D	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 20 A 480V load \| 4-30 VDC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-2050A	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 20 A 480V load \| 90-240 VAC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-4025D	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 40 A 240V load \| 4-30 VDC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-4025A	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 40 A 240V load \| 90-240 VAC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-4050D	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 40 A 480V load \| 4-30 VDC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-4050A	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 40 A 480V load \| 90-240 VAC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-6025D	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 60 A 240V load \| 4-30 VDC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-6025A	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 60 A 240V load \| 90-240 VAC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-6050D	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 60 A 480V load \| 4-30 VDC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-6050A	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 60 A 480V load \| 90-240 VAC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-9025D	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 90 A 240V load \| 4-30 VDC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-9025A	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 90 A 240V load \| 90-240 VAC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-9050D	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 90 A 480V load \| 4-30 VDC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement
AUTONICS-SR1-9050A	AUTONICS	Solid state relay \| SR1 Series \| Single-phase detachable heatsink \| 90 A 480V load \| 90-240 VAC input \| AC load \| DIN-rail or panel \| IP20 \| detachable heatsink for replacement

[AUTONICS] SR3 / SRH3 Series 3-Phase SSR with Detachable / Integrated Heatsink

Three-phase solid state relays for 3-phase load switching. SR3 (detachable heatsink) and SRH3 (integrated heatsink) variants. DC and AC control input options. For 3-phase motor and heater control applications.

Brand: Autonics Category: Solid State Relay 20 models

Product Code	Brand	Spec
AUTONICS-SR3-2025D	AUTONICS	Solid state relay \| SR3 Series \| 3-phase SSR detachable heatsink \| 20 A 240V load \| 4-30 VDC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase detachable heatsink
AUTONICS-SRH3-2025D	AUTONICS	Solid state relay \| SRH3 Series \| 3-phase SSR integrated heatsink \| 20 A 240V load \| 4-30 VDC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase integrated heatsink
AUTONICS-SR3-2025A	AUTONICS	Solid state relay \| SR3 Series \| 3-phase SSR detachable heatsink \| 20 A 240V load \| 90-240 VAC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase detachable heatsink
AUTONICS-SRH3-2025A	AUTONICS	Solid state relay \| SRH3 Series \| 3-phase SSR integrated heatsink \| 20 A 240V load \| 90-240 VAC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase integrated heatsink
AUTONICS-SR3-4025D	AUTONICS	Solid state relay \| SR3 Series \| 3-phase SSR detachable heatsink \| 40 A 240V load \| 4-30 VDC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase detachable heatsink
AUTONICS-SRH3-4025D	AUTONICS	Solid state relay \| SRH3 Series \| 3-phase SSR integrated heatsink \| 40 A 240V load \| 4-30 VDC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase integrated heatsink
AUTONICS-SR3-4025A	AUTONICS	Solid state relay \| SR3 Series \| 3-phase SSR detachable heatsink \| 40 A 240V load \| 90-240 VAC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase detachable heatsink
AUTONICS-SRH3-4025A	AUTONICS	Solid state relay \| SRH3 Series \| 3-phase SSR integrated heatsink \| 40 A 240V load \| 90-240 VAC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase integrated heatsink
AUTONICS-SR3-4050D	AUTONICS	Solid state relay \| SR3 Series \| 3-phase SSR detachable heatsink \| 40 A 480V load \| 4-30 VDC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase detachable heatsink
AUTONICS-SRH3-4050D	AUTONICS	Solid state relay \| SRH3 Series \| 3-phase SSR integrated heatsink \| 40 A 480V load \| 4-30 VDC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase integrated heatsink
AUTONICS-SR3-4050A	AUTONICS	Solid state relay \| SR3 Series \| 3-phase SSR detachable heatsink \| 40 A 480V load \| 90-240 VAC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase detachable heatsink
AUTONICS-SRH3-4050A	AUTONICS	Solid state relay \| SRH3 Series \| 3-phase SSR integrated heatsink \| 40 A 480V load \| 90-240 VAC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase integrated heatsink
AUTONICS-SR3-6025D	AUTONICS	Solid state relay \| SR3 Series \| 3-phase SSR detachable heatsink \| 60 A 240V load \| 4-30 VDC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase detachable heatsink
AUTONICS-SRH3-6025D	AUTONICS	Solid state relay \| SRH3 Series \| 3-phase SSR integrated heatsink \| 60 A 240V load \| 4-30 VDC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase integrated heatsink
AUTONICS-SR3-6025A	AUTONICS	Solid state relay \| SR3 Series \| 3-phase SSR detachable heatsink \| 60 A 240V load \| 90-240 VAC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase detachable heatsink
AUTONICS-SRH3-6025A	AUTONICS	Solid state relay \| SRH3 Series \| 3-phase SSR integrated heatsink \| 60 A 240V load \| 90-240 VAC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase integrated heatsink
AUTONICS-SR3-6050D	AUTONICS	Solid state relay \| SR3 Series \| 3-phase SSR detachable heatsink \| 60 A 480V load \| 4-30 VDC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase detachable heatsink
AUTONICS-SRH3-6050D	AUTONICS	Solid state relay \| SRH3 Series \| 3-phase SSR integrated heatsink \| 60 A 480V load \| 4-30 VDC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase integrated heatsink
AUTONICS-SR3-6050A	AUTONICS	Solid state relay \| SR3 Series \| 3-phase SSR detachable heatsink \| 60 A 480V load \| 90-240 VAC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase detachable heatsink
AUTONICS-SRH3-6050A	AUTONICS	Solid state relay \| SRH3 Series \| 3-phase SSR integrated heatsink \| 60 A 480V load \| 90-240 VAC input \| 3-phase AC load \| DIN-rail or panel \| IP20 \| 3-phase integrated heatsink

[AUTONICS] SRC1 Series Single-Phase Slim SSR with Detachable Heatsink

Slim single-phase solid state relays with detachable heatsink. Reduced footprint for space-constrained installations. Lower current ratings than SR1.

Brand: Autonics Category: Solid State Relay 4 models

Slim single-phase solid state relays with detachable heatsink. Reduced footprint for space-constrained installations. Lower current ratings than SR1.

Product Code	Brand	Spec
AUTONICS-SRC1-2025D	AUTONICS	Solid state relay \| SRC1 Series \| Single-phase slim SSR \| 20 A 240V \| 4-30 VDC input \| AC load \| DIN-rail \| IP20 \| slim form factor
AUTONICS-SRC1-2050D	AUTONICS	Solid state relay \| SRC1 Series \| Single-phase slim SSR \| 20 A 480V \| 4-30 VDC input \| AC load \| DIN-rail \| IP20 \| slim form factor
AUTONICS-SRC1-2025A	AUTONICS	Solid state relay \| SRC1 Series \| Single-phase slim SSR \| 20 A 240V \| 90-240 VAC input \| AC load \| DIN-rail \| IP20 \| slim form factor
AUTONICS-SRC1-2050A	AUTONICS	Solid state relay \| SRC1 Series \| Single-phase slim SSR \| 20 A 480V \| 90-240 VAC input \| AC load \| DIN-rail \| IP20 \| slim form factor

[AUTONICS] SRH1 Series Single-Phase SSR with Integrated Heatsink

Single-phase solid state relays with integrated ceramic PCB heatsink for high heat dissipation efficiency. Current input (4-20 mA) and voltage input (DC/AC) variants. Phase control (power equality / phase equality) and cycle control (variable / fixed) modes selectable via jumper. DIN-rail or panel mount. Improved dielectric strength 4000 VAC. 20/30/60 A load current ratings.

Brand: Autonics Category: Solid State Relay 18 models

Product Code	Brand	Spec
AUTONICS-SRH1-2025I	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink current input \| 20 A 240V load \| 4-20 mA control input \| AC load \| DIN-rail or panel \| IP20 \| phase/cycle control current input
AUTONICS-SRH1-2050I	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink current input \| 20 A 480V load \| 4-20 mA control input \| AC load \| DIN-rail or panel \| IP20 \| phase/cycle control current input
AUTONICS-SRH1-3025I	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink current input \| 30 A 240V load \| 4-20 mA control input \| AC load \| DIN-rail or panel \| IP20 \| phase/cycle control current input
AUTONICS-SRH1-3050I	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink current input \| 30 A 480V load \| 4-20 mA control input \| AC load \| DIN-rail or panel \| IP20 \| phase/cycle control current input
AUTONICS-SRH1-6025I	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink current input \| 60 A 240V load \| 4-20 mA control input \| AC load \| DIN-rail or panel \| IP20 \| phase/cycle control current input
AUTONICS-SRH1-6050I	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink current input \| 60 A 480V load \| 4-20 mA control input \| AC load \| DIN-rail or panel \| IP20 \| phase/cycle control current input
AUTONICS-SRH1-2025D	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink voltage input \| 20 A 240V load \| 4-30 VDC control input \| AC load \| DIN-rail or panel \| IP20 \| DC voltage input
AUTONICS-SRH1-2025A	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink voltage input \| 20 A 240V load \| 90-240 VAC control input \| AC load \| DIN-rail or panel \| IP20 \| AC voltage input
AUTONICS-SRH1-2050D	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink voltage input \| 20 A 480V load \| 4-30 VDC control input \| AC load \| DIN-rail or panel \| IP20 \| DC voltage input
AUTONICS-SRH1-2050A	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink voltage input \| 20 A 480V load \| 90-240 VAC control input \| AC load \| DIN-rail or panel \| IP20 \| AC voltage input
AUTONICS-SRH1-3025D	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink voltage input \| 30 A 240V load \| 4-30 VDC control input \| AC load \| DIN-rail or panel \| IP20 \| DC voltage input
AUTONICS-SRH1-3025A	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink voltage input \| 30 A 240V load \| 90-240 VAC control input \| AC load \| DIN-rail or panel \| IP20 \| AC voltage input
AUTONICS-SRH1-3050D	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink voltage input \| 30 A 480V load \| 4-30 VDC control input \| AC load \| DIN-rail or panel \| IP20 \| DC voltage input
AUTONICS-SRH1-3050A	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink voltage input \| 30 A 480V load \| 90-240 VAC control input \| AC load \| DIN-rail or panel \| IP20 \| AC voltage input
AUTONICS-SRH1-6025D	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink voltage input \| 60 A 240V load \| 4-30 VDC control input \| AC load \| DIN-rail or panel \| IP20 \| DC voltage input
AUTONICS-SRH1-6025A	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink voltage input \| 60 A 240V load \| 90-240 VAC control input \| AC load \| DIN-rail or panel \| IP20 \| AC voltage input
AUTONICS-SRH1-6050D	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink voltage input \| 60 A 480V load \| 4-30 VDC control input \| AC load \| DIN-rail or panel \| IP20 \| DC voltage input
AUTONICS-SRH1-6050A	AUTONICS	Solid state relay \| SRH1 Series \| Single-phase SSR integrated heatsink voltage input \| 60 A 480V load \| 90-240 VAC control input \| AC load \| DIN-rail or panel \| IP20 \| AC voltage input

[AUTONICS] SRHL1 Series Single-Phase Alarm Output SSR with Integrated Heatsink

Single-phase SSR with integrated heatsink and alarm output. Detects open-circuit, short-circuit, and overheat faults. Alarm output for system-level fault response. Same load ratings as SRH1.

Brand: Autonics Category: Solid State Relay 6 models

Single-phase SSR with integrated heatsink and alarm output. Detects open-circuit, short-circuit, and overheat faults. Alarm output for system-level fault response. Same load ratings as SRH1.

Product Code	Brand	Spec
AUTONICS-SRHL1-2025	AUTONICS	Solid state relay \| SRHL1 Series \| Single-phase alarm SSR \| 20 A 240V \| 4-30 VDC + alarm \| AC load \| DIN-rail or panel \| IP20 \| with alarm output
AUTONICS-SRHL1-3025	AUTONICS	Solid state relay \| SRHL1 Series \| Single-phase alarm SSR \| 30 A 240V \| 4-30 VDC + alarm \| AC load \| DIN-rail or panel \| IP20 \| with alarm output
AUTONICS-SRHL1-6025	AUTONICS	Solid state relay \| SRHL1 Series \| Single-phase alarm SSR \| 60 A 240V \| 4-30 VDC + alarm \| AC load \| DIN-rail or panel \| IP20 \| with alarm output
AUTONICS-SRHL1-2050	AUTONICS	Solid state relay \| SRHL1 Series \| Single-phase alarm SSR \| 20 A 480V \| 4-30 VDC + alarm \| AC load \| DIN-rail or panel \| IP20 \| with alarm output
AUTONICS-SRHL1-3050	AUTONICS	Solid state relay \| SRHL1 Series \| Single-phase alarm SSR \| 30 A 480V \| 4-30 VDC + alarm \| AC load \| DIN-rail or panel \| IP20 \| with alarm output
AUTONICS-SRHL1-6050	AUTONICS	Solid state relay \| SRHL1 Series \| Single-phase alarm SSR \| 60 A 480V \| 4-30 VDC + alarm \| AC load \| DIN-rail or panel \| IP20 \| with alarm output

[AUTONICS] SRS1 Series Single-Phase Socket SSR with Detachable Heatsink

Plug-in socket type single-phase solid state relays with detachable heatsink. Easy replacement via socket mounting. Lower current ratings for low-power switching.

Brand: Autonics Category: Solid State Relay 4 models

Plug-in socket type single-phase solid state relays with detachable heatsink. Easy replacement via socket mounting. Lower current ratings for low-power switching.

Product Code	Brand	Spec
AUTONICS-SRS1-1025D	AUTONICS	Solid state relay \| SRS1 Series \| Single-phase socket SSR \| 10 A 240V \| 4-30 VDC input \| AC load \| Socket \| IP20 \| socket plug-in type
AUTONICS-SRS1-1050D	AUTONICS	Solid state relay \| SRS1 Series \| Single-phase socket SSR \| 10 A 480V \| 4-30 VDC input \| AC load \| Socket \| IP20 \| socket plug-in type
AUTONICS-SRS1-2025D	AUTONICS	Solid state relay \| SRS1 Series \| Single-phase socket SSR \| 20 A 240V \| 4-30 VDC input \| AC load \| Socket \| IP20 \| socket plug-in type
AUTONICS-SRS1-2050D	AUTONICS	Solid state relay \| SRS1 Series \| Single-phase socket SSR \| 20 A 480V \| 4-30 VDC input \| AC load \| Socket \| IP20 \| socket plug-in type