Manufacturer: Omron
Product No.: G3PE-545B-3N
Country of origin:Japan
Product Type: Three-phase Solid State Contactors
Payment: T/T, Western Union
Weight: 0g
Dimensions: 150 x 150 x 110 mm
Shipping port: Xiamen
Warranty: 12 months
Designed for precise closed-loop thermal regulation, the Omron G3PE-545B-3N executes high-frequency switching of three-phase industrial resistive heaters. This solid-state contactor features an integrated heat sink to ensure optimal thermal dissipation under heavy continuous loads. Optimized for DIN rail mounting, the device incorporates a yellow LED operation indicator and a phototriac coupler for high dielectric isolation between the low-voltage control input and high-voltage power output. Built-in zero-cross circuitry reduces electromagnetic interference and inrush currents during initial turn-on cycles, extending heater element life in demanding industrial environments.
| Parameter | Value |
|---|---|
| Manufacturer | Omron |
| Model Number | G3PE-545B-3N |
| Number of Phases | Three-phase |
| Number of Poles | 3-pole |
| Rated Input Voltage | 12 to 24 VDC |
| Operating Voltage Range | 9.6 to 30 VDC |
| Applicable Load Voltage | 200 to 480 VAC (50/60 Hz) |
| Rated Load Current | 45 A (at 40 degC ambient) |
| Insulation Method | Phototriac coupler |
| Zero Cross Function | Yes |
| Output ON Voltage Drop | 1.8 V (RMS) max. |
| Leakage Current | 20 mA max. (at 480 VAC) |
| Operate / Release Time | 1/2 of load power source cycle + 1 ms max. |
| Dielectric Strength | 2,500 VAC, 50/60 Hz for 1 min |
| Insulation Resistance | 100 MOhm min. (at 500 VDC) |
| Ambient Operating Temperature | -30 to 80 degC (no icing or condensation) |
| Ambient Operating Humidity | 45% to 85% RH |
| Net Weight | 2.0 kg |
| Shipping Weight (Calculated) | 3.0 kg |
| Package Dimensions (Calculated) | 150 x 150 x 110 mm |
| Terminal Terminal Designation | Terminal Description / Function |
|---|---|
| Input (A1 / +) | Positive control input terminal (12 to 24 VDC input) |
| Input (A2 / -) | Negative control input terminal (Ground/Common) |
| Output (L1 / 1 / L2 / 3 / L3 / 5) | Line voltage power source inputs (Three-phase AC supply side) |
| Output (T1 / 2 / T2 / 4 / T3 / 6) | Load connection output terminals (Heater element connection side) |
The "N" suffix in the model code G3PE-545B-3N indicates a factory-fitted built-in heat sink. It is directly interchangeable with the G3PE-545B-3 (which requires an external heat sink or must be mounted to a thermally equivalent chassis). Note that this module uses zero-cross switching; if your application requires phase-angle control or precise proportioning of analog signals, you must transition to the Omron G3PW power controller series, as the G3PE cannot accept continuous analog current (4-20mA) loops without an external PWM converter.
Solid-state devices exhibit leakage current even in the "OFF" state. The G3PE-545B-3N has a maximum leakage current of 20 mA at 480 VAC. Auxiliary mechanical contactors or isolation switches should always be placed upstream to completely de-energize the heater circuit during scheduled maintenance. Thermal degradation is the primary failure mode; ensure that panel cooling fans are sized to maintain ambient temperatures below 40 degC to prevent derating of the 45 A load capacity.
Always secure the load power terminals (M5 screws) with a precise torque of 2.0 to 2.4 N-m. Loose terminal connections lead to local overheating and terminal block meltdowns. To suppress induction noises in high-current applications, control signal wires (A1/A2) must be routed separately from the power supply lines (L1/T1, L2/T2, L3/T3). If utilizing direct panel mounting rather than a DIN rail, ensure the metal backplate of the heat sink has clean contact with the panel plate to assist thermal dissipation.
Isolate and lock out all upstream electrical power sources before attempting installation or maintenance. Confirm zero-voltage state on both input and load lines using a verified tester. Do not touch the integrated heat sink during or immediately after operation; temperatures can exceed 80 degC and cause severe burns.
Mount the SSR vertically on a standard 35mm DIN rail or directly onto a flat, rigid metal subpanel using M5 screws.
Ensure a minimum vertical spacing of 80mm above and below the device to facilitate unimpeded natural convection airflow through the heat sink fins.
Wire the control input logic to terminals A1 (+) and A2 (-). Observe polarity carefully to prevent logic drive failure.
Terminate the three-phase AC power lines to L1, L2, and L3, then wire T1, T2, and T3 to the heaters using ring terminals rated for 45 A load requirements.
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| Country of origin |
Japan
|
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