• packageimg


General Purpose Relays Relay Plug-In DPDT 10A 120VAC


  • 90-day after-sales guarantee
  • 365 Days Quality Guarantee
  • Genuine Product Guarantee
  • 7*24 hours service quarantee

Rapid Quote

Submit your quote request for RH2B-UAC110-120V using this form.You can also reach us via email at Email: [email protected], and we will respond within 12 hours.

Overview of RH2B-UAC110-120V

The RH2B-UAC110-120V is a plug-in relay with a coil voltage of 110-120V AC, designed for use in control and automation systems. This compact and versatile relay offers reliable switching for various industrial applications.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • A1: Coil terminal 1
  • A2: Coil terminal 2
  • 11-14: Normally Open (NO) contacts
  • 21-24: Normally Closed (NC) contacts
  • 11-21: Common terminal

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the RH2B-UAC110-120V relay for a visual representation.

Key Features

  • Plug-in Design: The RH2B-UAC110-120V features a convenient plug-in design for easy installation and replacement.
  • 110-120V AC Coil Voltage: Suitable for control systems operating with 110-120V AC power supply.
  • Reliable Switching: Provides reliable switching for control and automation applications in industrial environments.
  • Compact Size: The compact size of the relay allows for space-saving installation in control panels and equipment.

Note: For detailed technical specifications, please refer to the RH2B-UAC110-120V datasheet.


  • Control Panels: Ideal for use in control panels for switching and control of electrical circuits.
  • Industrial Automation: Suitable for industrial automation systems requiring reliable relay-based switching.
  • Power Distribution: Used in power distribution systems for control and isolation of electrical loads.


The RH2B-UAC110-120V plug-in relay provides reliable switching functionality for control and automation systems. It offers a solution for controlling electrical circuits in industrial applications.

Usage Guide

  • Coil Connection: Connect the coil terminals A1 and A2 to the 110-120V AC power supply.
  • Contact Connections: Use terminals 11-14, 21-24, and 11-21 for the normally open, normally closed, and common contacts, respectively.

Frequently Asked Questions

Q: What is the maximum switching current of the RH2B-UAC110-120V relay?
A: The maximum switching current of the relay is specified in the datasheet and varies based on the load type.

Q: Can the RH2B-UAC110-120V relay be used in 50Hz AC systems?
A: The relay is designed for use with 60Hz AC systems. For 50Hz applications, it is recommended to consult the manufacturer or consider alternative relays designed for 50Hz operation.


For similar functionalities, consider these alternatives to the RH2B-UAC110-120V relay:

  • CR-M series: This is a relay series offering similar functionality and coil voltage options for diverse industrial applications.
  • G2R-1 series: A range of plug-in relays with varying coil voltage and contact configurations suitable for control and automation systems.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category General Purpose Relays RoHS True
REACH Details Product Power Relays
Type Compact Coil Voltage 110 VAC to 120 VAC
Relay Contact Form 2 Form C (DPDT-NO, NC) Contact Current Rating 10 A
Contact Termination Plug In Mounting Style Panel Mount
Switching Voltage 220 VAC, 30 VDC Coil Type Non-Latching
Coil Current 10.8 mA Contact Material Silver Cadmium Oxide (AgCdO)
Series RH Length 27.5 mm
Width 21 mm Height 35.6 mm
Brand IDEC Contact Rating 10 A
Power Consumption 900 mW Product Type General Purpose Relays
Factory Pack Quantity 1 Subcategory Relays
Unit Weight 1.452053 oz

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package

    Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

  • Payment

    For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.

    If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.