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AMPERITE 12NO2B Thermal Delay Relay

This thermal delay relay features a delay-on-make function with a 12V AC or DC input voltage. It has a base mounting option, a single set SPST-NO contact, and supports an output current of up to 3A. Designed for precise timing, it offers a timing range from 2 to 300 seconds with a tolerance of +20%. Suitable for control applications, it has durable silver-cadmium oxide contact material, environmental operating limits from -34°C to +77°C, and a long lifespan minimum of 500,000 operations. The relay includes optional screw terminals and enclosure options for versatile mounting.

Authorized Distributors
Part No:12NO2B
Stock:139
Inv Date:06-02-2026
Price: Unit price: $27.89
Buy/RFQ:

AMPERITE 12NO2B Thermal Delay Relay Specifications:

  • Input Voltage: 12V AC or DC
  • Contact Configuration: SPST-NO (Delay on Make)
  • Contact Material: Silver-Cadmium Oxide
  • Rating: 3A at 115V AC resistive
  • Timing Range: 2 to 300 seconds
  • Timing Tolerance: +20%
  • Operation Temperature Range: -34°C to +77°C
  • Expected Life: 500,000 operations minimum
  • Termination: .110 inch (standard), .250 inch optional
  • Enclosure: Black plastic case
  • Mounting: Base or panel with single or two screws
  • Input Power: 2.3 Watts
  • Dielectric Strength: 500V RMS between open contacts
  • Environment: Transient protection, no polarity required

Buy the Amperite Series Thermal Delay Relay: 12NO2B

Order the Amperite thermal delay relay 12NO2B today for reliable timing control in industrial and automation systems. Features adjustable delay from 2 to 300 seconds, durable silver-cadmium oxide contacts, and versatile mounting options. Supports up to 3A load at 115V AC and operates over a wide temperature range of -34°C to +77°C. Designed for long lifespan with over 500,000 operations. Perfect for process control, automation, and electronic applications requiring precise timed switching with robust performance.

Get Amperite 12NO2B today—built for precision and long-lasting durability.

Frequently Asked Questions

Where can I buy AMPERITE 12NO2B?

You can click on the BUY or RFQ button to purchase 12NO2B from an authorized AMPERITE distributor.

How do I troubleshoot issues or seek technical support for part 12NO2B?

You can download the 12NO2B datasheet or visit the AMPERITE website for support.

Who is the manufacturer of 12NO2B?

AMPERITE

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