Part of the Omron Solid State Relays series — see the full model table, lifecycle status and replacement parts.
Omron G3PE-225BL DC12-24V — Solid State Relay
SKU: G3PE-225BL DC12-24VUSD 30.00
Compact slim-profile solid-state relay with integrated heat sink, 25 A single-phase 100-240 VAC load
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Product Overview
The Omron G3PE-225BL DC12-24V is Omron's 25 A non-zero-cross single-phase solid-state relay (SSR) in the compact G3PE-series slim-profile body with integrated heat sink — the inductive-load counterpart to the G3PE-225B (already done, zero-cross version for resistive heaters). 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.
The 'L' suffix encodes non-zero-cross switching — the SSR turns on at any phase angle of the AC cycle, not just at the zero-crossing point. This makes the 225BL the right pick for inductive loads (transformers, solenoids, motors, capacitor banks) where the load current and voltage are out of phase and the zero-cross detection circuit would fail to trigger reliably.
The improved surge dielectric strength (compared to older G3PA series) allows the SSR to withstand the high dv/dt of modern switching power supplies and VFD-induced voltage spikes on shared AC lines.
Key Features
- Single-phase 100-240 VAC load voltage
- 18 A close-mount rated current
- Operate time: 1 ms max
- Must release voltage: 1 V max
- SKU: G3PE-225BL DC12-24V
- Series: G3PE Single-Phase Solid State Relays for Heaters
- Voltage: 100 TO 240 VAC
Best-Fit Applications
- Transformer-coupled oven heater control - G3PE-225BL switches a 5 kW 240 VAC transformer-coupled oven heater where the inductive transformer load.
- Solenoid valve bank control - G3PE-225BL drives a bank of 240 VAC solenoid valves on a hydraulic manifold; the solenoid.
- Motor starting relay for small fans/pumps - G3PE-225BL drives a fractional-horsepower motor where the inductive motor winding has phase shift.
Buying Checklist
- Pick G3PE-225B DC12-24 for 25 A zero-cross SSR - for resistive heaters
- Pick G3PE-225BL DC12-24V for 25 A non-zero-cross SSR with integrated heat sink - for inductive loads
- Pick G3PE-215B/L for 15 A - smaller heater loads
Technical Specifications
| Model | G3PE-225BL DC12-24V |
|---|---|
| Series | G3PE Single-Phase Solid State Relays for Heaters |
| Type | 25 A non-zero-cross solid-state relay with integrated heat sink |
| Zero-Cross Function | NO (L variant - non-zero-cross / random turn-on) |
| Rated Load Voltage | 100 to 240 VAC at 50/60 Hz |
| Load Voltage Range | 75 to 264 VAC |
| Rated Operation Current (AC-1, resistive) | 25 A continuous at 40 C ambient |
| Rated Operation Current (close-mount, derated) | 18 A continuous at 40 C ambient |
| Applicable Heater Capacity (AC-1, 200 VAC) | 5 kW |
| Applicable Heater Capacity (AC-1, 240 VAC) | 6 kW |
| Control Input Voltage | 12 to 24 VDC |
| Control Input Current | 10 mA max at 24 VDC |
| Must Operate Voltage | 9.6 V max (turn-on threshold) |
| Must Release Voltage | 1 V max |
| Output ON Voltage Drop | 1.6 V max at 25 A load |
FAQ for G3PE-225BL DC12-24V
What's the difference between G3PE-225BL and G3PE-225B?
Both are 25 A single-phase 100-240 VAC solid-state relays in the same slim-profile G3PE body with integrated heat sink, same 12-24 VDC control input, same DIN-rail or screw mounting, same UL/CSA/TUV certifications. The only difference is the switching mode: G3PE-225B (already done) is zero-cross (turns on only when AC voltage crosses zero, eliminating inrush on resistive loads); G3PE-225BL (this SKU) is non-zero-cross (turns on at any phase angle, for inductive loads).
Can I use the G3PE-225BL with a DC load?
No - the G3PE-225BL is designed for AC loads only (100-240 VAC, 50/60 Hz). The triac output stage requires the AC cycle to commutate (turn off) at the zero-cross of the AC voltage. For DC loads, the triac will not commutate and will latch on indefinitely (potentially burning out the SSR and the load).
Why does the G3PE-225BL have a 'L' suffix and what does it mean?
The 'L' suffix on the G3PE-225BL (and other G3PE-@5BL models) stands for 'non-zero-cross' or 'random turn-on' (also called 'phase angle switching' or 'instant-on'). A standard G3PE-225B (no L suffix) is a zero-cross SSR that only turns on the output triac when the AC voltage is at or near 0 V (the zero-cross point). This eliminates the inrush current and EMI generated when switching a cold resistive load at peak voltage.
What fuse should I use to protect the G3PE-225BL?
The G3PE-225BL should be protected by a fast-acting semiconductor fuse rated for the load current and the I^2t of the SSR. Per the G3PE datasheet, the permissible I^2t value is 260 A^2s. A typical fast-acting fuse selection is: 50 A 600 VAC semiconductor fuse (e.g., Ferraz Shawmut A50QS50-4 or Bussmann FWH-50A14F) for a 25 A continuous load with 260 A^2t let-through.
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