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Omron G7L-1A-TUB-CB-AC100/120 General Purpose Relay, Class B Insulation, QuickConnect Terminal, Upper Bracket Mounting, Single Pole Single Throw Normally Open Contacts, 17 to 20.4 mA Rated Load Current, 100 to 120 VAC Rated Load Voltage

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Specifications for this item
Number of Items
Part Number
Brand Name
Size Name
Single Pole Single Throw Normally Open Contacts
Style Name
17 to 20.4 mA Rated Load Current, 100 to 120 VAC Rated Load Voltage

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Key Features

  • Electric relay for controlling electric signals in low current applications
  • Quick-connect terminal for routing current directly through the contacts
  • SPST-NO for simple on/off switching
  • Insulation meets UL Class B for flame resistant materials
  • UL recognized for safety and CSA certified for quality assurance

Package Details

Shipping Weight: 0.25 pounds
Package Size: 3.1 x 2.1 x 2.1 inches

Product Description

This Omron G7L-1A-TUB-CB-AC100/120 general purpose relay has Class B rated insulation material, quick-connect terminal connections, upper-bracket mounting, and is suitable for use in high capacity voltage applications. This relay has single pole single throw normally open (SPST-NO) contacts, an input current rating of 17 to 20.4 mA and a load rating of 220VAC at 30 amp, with an input of 100 to 120VAC. This relay has Underwriter's Laboratories (UL) Class B rated insulation material for flame resistance, and quick-connect terminals for routing current directly through the contacts. It is designed to mount to an upper-bracket in an equipment rack. This general purpose relay is suitable for high capacity voltage applications such as fluid pump controls in the water and chemical processing industries.

Contact FormSPST-NO
Input Current Rating17 to 20.4 mA
Input Voltage100 to 120VAC
Load Rating220VAC, 30 amp
Dielectric Strength4,000VAC
Operating Temperature-25 to +60 degrees C
Enclosure Dimensions*49 x 34.5 x 68.6mm (H x W x D)
Standards MetUL (Underwriter's Laboratories)
CSA (Canadian Standards Association)

*H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

Relay switches (also called an electrical relay or an electrical relay switch) use a small amount of power to control a larger source of power connected to electrical devices such as car motors, computers, and lighting installations. A basic relay switch has a control circuit with an electromagnetic coil and a load circuit with contacts and a lever. When current flows into the relay switch, it moves through the coil and a magnetic field is created, which causes the lever in the load circuit to move between contacts, either turning the device on or off. In a normally open (NO) relay switch, when power is supplied to the relay, the load circuit is closed and the power source connected to the relay is turned on. In a normally closed (NC) relay switch, when power is supplied to the relay, the load circuit is open and the power source connected to the relay is turned off. In other types of relay switches, non-moving parts such as transistors or semiconductors can be used as the control circuit to operate the switching mechanism. Relay switches can be controlled with an external switch, such as a light switch, or they can be connected to an automatically switched power source, such as a car ignition. One relay can operate multiple switches, and multiple relays can be operated with a single switch, with each relay operating independently from the other relays in the system.

Omron manufactures and distributes electronic components, equipment, and systems for industrial automation. The company, founded in 1933, is headquartered in Kyoto, Japan.

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