Omron G3F-203SN-VD — 3 A Solid State Relay
SKU: G3F-203SN-VDUSD 15.00
plug-in SSR, 5-24 VDC in, 100-240 VAC out, 3 A, zero-cross, LED. In stock, China.
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Product Overview
The Omron G3F-203SN-VD is a plug-in solid state relay in the G3F family with the same 28 x 21.5 x 36.5 mm profile as an MY-series mechanical power relay It is manufactured by Omron Corporation. Hengyixin Automation stocks this solid-state relay in Xiamen and ships within 3-5 business days to most Asian, European, and North American ports. Input is 5 to 24 VDC at 15 mA max; load is 100 to 240 VAC at 0.1 to 3 A. Zero-cross turn-on waits for the AC line to cross 0 V before conducting, eliminating the inrush surge of heater elements and lamps. Note that some G3F(D) variants are scheduled for phase-out in 2023+; the G3NA-210B-UTU is the recommended 10 A replacement for new builds. Key specs: Rated Input Voltage 5 to 24 VDC; must operate 4 V max; must release 1 V min; Input Current 15 mA max (constant-current input); Rated Load Voltage 100 to 240 VAC (operating range 75 to 264 VAC); Load Current 0.1 to 3 A at 40 C; 45 A inrush for 1 cycle; Switching Function Zero-cross turn-on (photocoupler isolation); Dielectric Strength 2,000 VAC, 50/60 Hz for 1 min (input.
Key Features
- G3F-series plug-in solid state relay, 5 to 24 VDC input at 15 mA max
- 100 to 240 VAC output at 0.1 to 3 A, zero-cross turn-on for low-inrush AC switching
- Photocoupler isolation 2,000 VAC for 1 min between input and output, with LED indicator
- Same 28 x 21.5 x 36.5 mm profile as MY-series mechanical relay; mounts on PYFZ-08 / PYF-08-PU socket
- SKU: G3F-203SN-VD
- Series: G3F plug-in solid state relay (MY-size)
- Voltage: 5 TO 24 VDC
Best-Fit Applications
- Industrial lighting array on/off control driven from a 24 VDC CP1W-OD212 output on a small machine
- Spare replacement on a panel originally wired around an MY-series mechanical relay where silent switching is now required
- PLC-to-AC heater switching on a packaging line where the zero-cross turn-on reduces inrush on the 240 VAC heating element
Buying Checklist
- Choose the G3F-203SN-VD when the cabinet already runs MY-size plug-in sockets and 5 to 24 VDC input drives a 3 A AC load.
- Choose the G3NA-210B-UTU DC5-24V instead for new builds needing a panel-mount SSR up to 10 A on the same AC line.
- Choose the G3PE-225B DC12-24V instead when the load is up to 25 A and a built-in heatsink is required.
Technical Specifications
| Manufacturer | Omron Corporation (Japan) |
|---|---|
| Series | G3F plug-in solid state relay (MY-size) |
| Model / SKU | G3F-203SN-VD (DC5-24) |
| Rated Input Voltage | 5 to 24 VDC; must operate 4 V max; must release 1 V min |
| Input Current | 15 mA max (constant-current input) |
| Rated Load Voltage | 100 to 240 VAC (operating range 75 to 264 VAC) |
| Load Current | 0.1 to 3 A at 40 C; 45 A inrush for 1 cycle |
| Switching Function | Zero-cross turn-on (photocoupler isolation) |
| Dielectric Strength | 2,000 VAC, 50/60 Hz for 1 min (input to output) |
| Compatible Sockets | PYFZ-08, PYFZ-08-E, PYF08A-N, PYF-08-PU, PY08-02 |
| Operating Temperature | -30 to +80 C (no icing or condensation) |
| Dimensions / Mounting | 28 (H) x 21.5 (W) x 36.5 (D) mm; plug-in 8-pin socket |
FAQ for G3F-203SN-VD
What does the -VD suffix on G3F-203SN-VD mean?
VD marks the international-standard certified variant of the G3F plug-in SSR. V is the plug-in socket form factor; D marks DC input. The N in 203SN marks the LED indicator on the input side. For an SSR without LED, drop the N and order G3F-203S-VD.
What is zero-cross switching and why does it matter?
Zero-cross turn-on waits for the AC line to cross 0 V before the relay conducts. This eliminates the inrush surge resistive loads (heaters, lamps) draw when switched at the AC peak, reducing contact wear, EMI and nuisance breaker trips upstream. Choose a random-turn-on SSR only when phase-angle control is needed for dimming.
What socket does the G3F-203SN-VD plug into?
The G3F-203SN-VD plugs into PYFZ-08 (DIN-rail screw), PYFZ-08-E (DIN-rail screw, finger-safe), PYF08A-N (screw finger-safe), PYF-08-PU (Push-In Plus terminals) or PY08-02 (PCB-mount). It will not fit a PYF-14 or PYFZ-14 socket - those are 14-pin sockets for the G3R / G3F-D device series only and do not match the G3F 8-pin pinout.
Can the G3F-203SN-VD switch a DC load?
No. The G3F family is rated for AC load voltage only, with an operating range of 75 to 264 VAC. For a DC load, use the G3FD-X03SN-VD (4 to 48 VDC at 3 A) or the G3FD-102SN-VD (5 to 110 VDC at 2 A) instead. Both DC variants share the same 8-pin form factor and pinout so the same PYF-08-PU socket fits all of them.
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