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IDEC Corporation SJ2S21L Relay Socket

The RF2 relay socket is designed to enhance installation efficiency and reduce wiring man-hours. It minimizes maintenance effort by eliminating the need for tightening torque management. Features include high visibility terminal markings, high contact reliability, and excellent vibration resistance. The socket has an IP20 finger protection structure and mounts effortlessly on a 35mm wide DIN rail with a single touch. An optional crossover bracket is available for the coil terminal. Made from highly flame-retardant UL94 V-0 material, it is UL, CSA certified, and complies with EN standards.

Authorized Distributors
Source:DigiKey
Part No:SJ2S-21L
Stock:150
Inv Date:06-11-2026
Price: Unit price: $10.89
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Part No:SJ2S-21L
Stock:8
Inv Date:06-11-2026
Price: Unit price: $10.04
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Part No:SJ2S-21L
Stock:35
Inv Date:06-11-2026
Price: Unit price: $11.65
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Part No:SJ2S-21L
Stock:129
Inv Date:06-11-2026
Price: Unit price: $10.27
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IDEC Corporation SJ2S21L Relay Socket Specifications:

  • Rated Insulation Voltage: 300V AC/DC (for SJ1S-21L) and 150V AC/DC (for RF2S series with RF2S-1A etc.)
  • Rated Thermal Current: 8A
  • Applicable Wire: 0.14 to 1.50mm² (AWG 16 to 26), with ferrules or solid wire
  • Wire Strip Length: 10 to 11 mm
  • Contact Resistance: Not specified
  • Insulation Resistance: 100MΩ min (500V DC megger)
  • Dielectric Strength: 2500V AC, 1 min
  • Vibration Resistance: 10 to 55 Hz, amplitude 1.5 mm
  • Shock Resistance: 50G
  • Operating Temperature Range: -40°C to +70°C (no freezing)
  • Storage Temperature Range: -40°C to +70°C
  • Degree of Protection: IP20 (IEC 60529)
  • Mounting: 35mm width DIN rail, tool-less mounting and removal
  • Material: Flame-retardant body (UL94 V-0), plastic and metal parts
  • Standard Compatibility: UL508, CSA C22.2 No.14, IEC 61984
  • Weight: Approximately 359 grams (socket only)

Buy the IDEC Series SJ2S Relay Socket: RF2 Series 1Pole and 2Pole

Purchase the IDEC SJ2S21L relay socket online today to enjoy effortless mounting on a 35mm DIN rail, reduced wiring time, and reliable contact performance. Designed for easy wiring, it features high visibility terminal markings and vibration resistance, making maintenance quick and simple. The socket's flame-retardant UL94 V-0 body ensures safety and durability. Ideal for industrial automation systems, it is UL, CSA certified and compliant with EN standards, providing a dependable solution for your relay mounting needs.

Get IDEC SJ2S21L relay socket today—built for quick installation, high contact reliability, and excellent vibration resistance.

Frequently Asked Questions

Where can I buy IDEC Corporation SJ2S21L?

You can click on the BUY or RFQ button to purchase SJ2S21L from an authorized IDEC Corporation distributor.

How do I troubleshoot issues or seek technical support for part SJ2S21L?

You can download the SJ2S21L datasheet or visit the IDEC Corporation website for support.

Who is the manufacturer of SJ2S21L?

IDEC Corporation

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