Omron

Omron G3PE-235B-3N G3PE Series 3-Phase Solid State Relay

SKU G3PE-235B-3N

Disponibile
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Omron
  • Product No.: G3PE-235B-3N
  • Origin Japan
  • Product Type: 3-Phase Solid State Relays
  • Payment: T/T, Western Union
  • Weight: 0.5 kg
  • Shipping port: Xiamen
  • Warranty: 12 months

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Product Description

Description

Designed for high-frequency switching of industrial heating elements, the Omron G3PE-235B-3N provides robust 3-phase solid-state control with integrated zero-cross functionality. This solid-state contactor operates with a control input of 12 to 24 VDC and is engineered to switch rated loads up to 240 VAC at an output current of 35 A (at 40 degC ambient temperature). Utilizing phototriac isolation, the device isolates the low-voltage control circuitry from high-voltage transients on the load side, delivering highly reliable thermal management in demanding environments.

Features

  • Integrated heat sink optimizes thermal dissipation, maintaining performance at elevated ambient temperatures.
  • Built-in zero-cross circuit minimizes electromagnetic interference (EMI) and electrical noise during switching transitions.
  • Phototriac isolation provides 100% galvanic separation between input and output channels.
  • Screw terminal construction ensures secure, vibration-resistant terminations for high-current wiring.
  • DIN-rail and panel mounting configurations allow for flexible cabinet integration.

Applications

  • Industrial reflow ovens and packaging machinery heat-sealing bars.
  • Semiconductor manufacturing chamber and deposition heater controls.
  • Plastics extrusion, injection molding, and thermoforming equipment.
  • Environmental testing chambers and industrial climate control systems.

Technical Specifications

Manufacturer Omron
Model / SKU G3PE-235B-3N
Control Input Voltage 12 to 24 VDC
Operating Input Range 9.6 to 30 VDC
Input Current 10 mA max. (at 24 VDC)
Must Operate / Release Voltage 9.6 VDC max. / 1 VDC min.
Rated Load Voltage 100 to 240 VAC
Load Voltage Range 75 to 264 VAC
Load Current 35 A (at 40 degC ambient)
Minimum Load Current 0.5 A
Inrush Current Resistivity 440 A (60 Hz, 1 cycle)
Permissible I²t Value 1260 A²s
Applicable Load Capacity 12.1 kW (at 200 VAC)
Isolation Method Phototriac
Zero Cross Function Equipped
Terminal Structure Screw Terminal
Weight 3.0 kg

Connections and Interfaces

Terminal Group Designation Function / Connection Assignment
Input / Control Terminals A1 (+) Positive DC Control Input (12 to 24 VDC)
A2 (-) Negative DC Control Input (Common / Ground)
Output / Power Line Terminals L1 / L2 / L3 AC Line Inputs for Phase A, B, and C (100 to 240 VAC)
T1 / T2 / T3 AC Load Terminals outputting to heater/load circuits
Ground / PE Protective Earth ground terminal connected to the heat sink block

Empirical Engineering Insights

Alternative Models & Compatibility

The "3N" suffix specifies a model with a built-in heat sink and a 3-phase configuration without a built-in varistor. It directly replaces legacy G3PE configurations that match the 35 A current profile, but panel space requirements must be verified due to the integrated cooling profile. When migrating from 2-phase control systems (such as the G3PE-235B-2N) to 3-phase, ensure that your control PLC program and safety interlocks account for the switching of all three phases to optimize line balance and eliminate floating neutral potentials on delta-connected loads.

Application Pitfalls & Engineering Notes

Thermal derating is the primary failure vector in enclosed industrial cabinets. The 35 A rating is calculated at an ambient temperature of 40 degC or lower. If the internal panel ambient temperature rises to 60 degC, the maximum continuous load current must be derated by approximately 40%. Ensure a minimum vertical clearance of 80 mm and a horizontal clearance of 30 mm between the G3PE-235B-3N and surrounding hardware to maintain convection airflow through the heat sink fins.

Commissioning & Wiring Tips

To prevent localized high resistance and terminal charring, power terminals must be torqued precisely to 1.47 to 1.96 N-m using M5 terminal screws. Do not use tinned wire ends in screw clamp terminals; crimped pin terminals or ring lugs are highly recommended. If switching inductive heating elements rather than purely resistive loads, verify that the load inrush peak remains well within the 440 A (at 60 Hz) non-repetitive rating to prevent internal phototriac degradation.

Installation Guidelines

CRITICAL WARNING: HIGH VOLTAGE RISK

De-energize all 3-phase main power supply feeds and auxiliary control circuits before handling terminals or attempting mounting. Wait at least 5 minutes post de-energization to allow residual charges to bleed down. Verify zero voltage state using a calibrated multi-meter across all lines before executing wiring.

1
Mechanical Mount: Mount the device vertically on a standard 35mm DIN rail or directly to a backplane using the mounting screws. Ensure the cooling fins run vertically to facilitate natural convection.
2
Grounding: Connect the Protective Earth (PE) ground terminal of the heat sink assembly to the main panel grounding bus using a low-impedance copper conductor.
3
Input Wiring: Wire the 12 to 24 VDC control lines to the positive A1 and negative A2 terminals. Ensure polarity is maintained; incorrect polarity will prevent activation.
4
Load Wiring: Connect the 3-phase incoming lines to L1, L2, and L3, and the output heater lines to T1, T2, and T3. Verify that the load balance across all three legs does not exceed 35 A per phase.
Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
FAQ
What is the purpose of the zero-cross function in the G3PE-235B-3N?
The zero-cross function ensures that the relay switches ON only when the AC load voltage is close to zero. This significantly reduces inrush currents, limits electrical transient noise, and minimizes electromagnetic interference (EMI) on nearby communication networks.
How does ambient temperature affect the current-carrying capacity of this solid-state relay?
The maximum rated current of 35 A is specified at an ambient temperature of 40 degC or below. Above 40 degC, the allowable load current decreases in accordance with the thermal derating curve of the device to prevent internal component damage.
Can the G3PE-235B-3N be used to switch inductive motor loads?
The G3PE-235B-3N is optimized for switching resistive heating loads (AC-51 duty). While it can switch inductive loads, inrush currents must be carefully calculated to ensure they do not exceed the non-repetitive surge rating of 440 A.
What is the recommended torque specification for the power terminal screws?
The power terminals use M5 screw sizes and must be tightened to a precise torque specification of 1.47 to 1.96 N-m to guarantee stable electrical contact and prevent thermal hot spots.
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Omron G3PE-235B-3N G3PE Series 3-Phase Solid State Relay

Only 3 item(s) left in stock
  • Manufacturer: Omron

  • Product No.: G3PE-235B-3N

  • Country of origin:Japan

  • Product Type: 3-Phase Solid State Relays

  • Payment: T/T, Western Union

  • Weight: 500g

  • Shipping port: Xiamen

  • Warranty: 12 months

Quantità
Visualizza dettagli completi

Product Description

Description

Designed for high-frequency switching of industrial heating elements, the Omron G3PE-235B-3N provides robust 3-phase solid-state control with integrated zero-cross functionality. This solid-state contactor operates with a control input of 12 to 24 VDC and is engineered to switch rated loads up to 240 VAC at an output current of 35 A (at 40 degC ambient temperature). Utilizing phototriac isolation, the device isolates the low-voltage control circuitry from high-voltage transients on the load side, delivering highly reliable thermal management in demanding environments.

Features

  • Integrated heat sink optimizes thermal dissipation, maintaining performance at elevated ambient temperatures.
  • Built-in zero-cross circuit minimizes electromagnetic interference (EMI) and electrical noise during switching transitions.
  • Phototriac isolation provides 100% galvanic separation between input and output channels.
  • Screw terminal construction ensures secure, vibration-resistant terminations for high-current wiring.
  • DIN-rail and panel mounting configurations allow for flexible cabinet integration.

Applications

  • Industrial reflow ovens and packaging machinery heat-sealing bars.
  • Semiconductor manufacturing chamber and deposition heater controls.
  • Plastics extrusion, injection molding, and thermoforming equipment.
  • Environmental testing chambers and industrial climate control systems.

Technical Specifications

Manufacturer Omron
Model / SKU G3PE-235B-3N
Control Input Voltage 12 to 24 VDC
Operating Input Range 9.6 to 30 VDC
Input Current 10 mA max. (at 24 VDC)
Must Operate / Release Voltage 9.6 VDC max. / 1 VDC min.
Rated Load Voltage 100 to 240 VAC
Load Voltage Range 75 to 264 VAC
Load Current 35 A (at 40 degC ambient)
Minimum Load Current 0.5 A
Inrush Current Resistivity 440 A (60 Hz, 1 cycle)
Permissible I²t Value 1260 A²s
Applicable Load Capacity 12.1 kW (at 200 VAC)
Isolation Method Phototriac
Zero Cross Function Equipped
Terminal Structure Screw Terminal
Weight 3.0 kg

Connections and Interfaces

Terminal Group Designation Function / Connection Assignment
Input / Control Terminals A1 (+) Positive DC Control Input (12 to 24 VDC)
A2 (-) Negative DC Control Input (Common / Ground)
Output / Power Line Terminals L1 / L2 / L3 AC Line Inputs for Phase A, B, and C (100 to 240 VAC)
T1 / T2 / T3 AC Load Terminals outputting to heater/load circuits
Ground / PE Protective Earth ground terminal connected to the heat sink block

Empirical Engineering Insights

Alternative Models & Compatibility

The "3N" suffix specifies a model with a built-in heat sink and a 3-phase configuration without a built-in varistor. It directly replaces legacy G3PE configurations that match the 35 A current profile, but panel space requirements must be verified due to the integrated cooling profile. When migrating from 2-phase control systems (such as the G3PE-235B-2N) to 3-phase, ensure that your control PLC program and safety interlocks account for the switching of all three phases to optimize line balance and eliminate floating neutral potentials on delta-connected loads.

Application Pitfalls & Engineering Notes

Thermal derating is the primary failure vector in enclosed industrial cabinets. The 35 A rating is calculated at an ambient temperature of 40 degC or lower. If the internal panel ambient temperature rises to 60 degC, the maximum continuous load current must be derated by approximately 40%. Ensure a minimum vertical clearance of 80 mm and a horizontal clearance of 30 mm between the G3PE-235B-3N and surrounding hardware to maintain convection airflow through the heat sink fins.

Commissioning & Wiring Tips

To prevent localized high resistance and terminal charring, power terminals must be torqued precisely to 1.47 to 1.96 N-m using M5 terminal screws. Do not use tinned wire ends in screw clamp terminals; crimped pin terminals or ring lugs are highly recommended. If switching inductive heating elements rather than purely resistive loads, verify that the load inrush peak remains well within the 440 A (at 60 Hz) non-repetitive rating to prevent internal phototriac degradation.

Installation Guidelines

CRITICAL WARNING: HIGH VOLTAGE RISK

De-energize all 3-phase main power supply feeds and auxiliary control circuits before handling terminals or attempting mounting. Wait at least 5 minutes post de-energization to allow residual charges to bleed down. Verify zero voltage state using a calibrated multi-meter across all lines before executing wiring.

1
Mechanical Mount: Mount the device vertically on a standard 35mm DIN rail or directly to a backplane using the mounting screws. Ensure the cooling fins run vertically to facilitate natural convection.
2
Grounding: Connect the Protective Earth (PE) ground terminal of the heat sink assembly to the main panel grounding bus using a low-impedance copper conductor.
3
Input Wiring: Wire the 12 to 24 VDC control lines to the positive A1 and negative A2 terminals. Ensure polarity is maintained; incorrect polarity will prevent activation.
4
Load Wiring: Connect the 3-phase incoming lines to L1, L2, and L3, and the output heater lines to T1, T2, and T3. Verify that the load balance across all three legs does not exceed 35 A per phase.

What is the purpose of the zero-cross function in the G3PE-235B-3N?

The zero-cross function ensures that the relay switches ON only when the AC load voltage is close to zero. This significantly reduces inrush currents, limits electrical transient noise, and minimizes electromagnetic interference (EMI) on nearby communication networks.

How does ambient temperature affect the current-carrying capacity of this solid-state relay?

The maximum rated current of 35 A is specified at an ambient temperature of 40 degC or below. Above 40 degC, the allowable load current decreases in accordance with the thermal derating curve of the device to prevent internal component damage.

Can the G3PE-235B-3N be used to switch inductive motor loads?

The G3PE-235B-3N is optimized for switching resistive heating loads (AC-51 duty). While it can switch inductive loads, inrush currents must be carefully calculated to ensure they do not exceed the non-repetitive surge rating of 440 A.

What is the recommended torque specification for the power terminal screws?

The power terminals use M5 screw sizes and must be tightened to a precise torque specification of 1.47 to 1.96 N-m to guarantee stable electrical contact and prevent thermal hot spots.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
Japan

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