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Omron G3NB-210B-1 Solid State Relay 10A Compact — front view

Omron G3NB-210B-1 Solid State Relay 10A Compact

SKU: G3NB-210B-1

USD 5.50

Omron G3NB-210B-1 is a compact 10A solid state relay for space-constrained AC load switching applications.

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Product Overview

The G3NB-210B-1 is engineered for frequent AC switching in automation cabinets where durability and stable behavior matter. It is commonly selected for thermal load control and repetitive process switching.

Durable High-Cycle Operation

With no mechanical contacts, the relay avoids contact erosion and bounce, supporting high switching frequency use cases.

Clean Switching Profile

Zero-cross triggering is well suited to resistive loads and helps reduce noise compared with random turn-on methods.

Straightforward Integration

The module format supports common panel mounting practices and works with standard control-stage outputs.

Key Features

  • Load Current: 10A
  • Load Voltage: AC200-240V
  • Control Input: DC5-24V
  • Switching Method: Zero-cross
  • Turn-On Time: 1/2 cycle + 1ms
  • Turn-Off Time: 1/2 cycle + 5ms
  • SKU: G3NB-210B-1
  • Series: G3NB
  • Voltage: 240V
  • I/O: 5 I/O

Best-Fit Applications

  • Handles repetitive AC load switching
  • Improves process repeatability in heat control
  • Supports quieter cabinets
  • Reduces downtime from relay wear
  • Enables compact SSR replacement strategy
  • Works in legacy or new control panels

Buying Checklist

  • 10A class for standard branch loads
  • Zero-cross for reduced EMI events
  • Solid-state durability for high cycles
  • Easy PLC/control integration
  • Reliable Omron SSR ecosystem

Technical Specifications

Model G3NB-210B-1
Series G3NB
Type Compact Solid State Relay
Load Current 10A
Load Voltage AC200-240V
Control Input DC5-24V
Switching Method Zero-cross
Turn-On Time 1/2 cycle + 1ms
Turn-Off Time 1/2 cycle + 5ms
Mounting Panel mount
Operating Temperature -30 to +80°C
LED Indicator Input ON indicator

FAQ for G3NB-210B-1

What's the advantage of G3NB series?
Compact size, cost-effective, reliable zero-cross switching. Ideal for space-constrained panels, cost-sensitive applications, general AC load switching.
Do I need heat sink?
For loads under 5A at normal ambient, no heat sink needed. For 5-10A loads or high ambient, use heat sink. SSR power dissipation: 1.6V × load current.
Can this switch DC loads?
No, G3NB is AC output only. For DC loads, use G3NA-D series DC output SSRs or G3NE MOS FET SSRs.
What's the maximum load?
10A at AC200-240V resistive load. For inductive loads (contactors, solenoids), derate to 60-70% or add varistor protection.

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