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CIT Relay and Switch A21ASP24VDC16D automotive relay

This 24 V DC automotive relay features a PCB pin terminal and single-pole single-throw contact configuration, capable of handling up to 40 A. Sealed for environmental protection, it operates with 1.6 W coil power and includes a diode (1N4005) for coil suppression, ensuring reliable performance in automotive and lamp accessory applications. Its small size, light weight, and quick connect options make it suitable for automotive electronics, with a maximum switching power of 630W and contact ratings up to 40A at 14VDC. Designed for durability and efficiency across a wide temperature range.

Authorized Distributors
Source:DigiKey
Part No:A21ASP24VDC1.6D
Stock:0
Inv Date:06-11-2026
Price: Unit price: $2.32
Buy/RFQ:

CIT Relay and Switch A21ASP24VDC16D automotive relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Contact Material: AgSnO2
  • Contact Resistance: < 30 milliohms
  • Contact Arrangement: SPST N.O.
  • Maximum Switching Power: 630W
  • Maximum Switching Current: 40A at 14VDC
  • Coil Voltage: 24VDC
  • Coil Power: 1.6W
  • Coil Resistance: 303.2Ω (±10%)
  • Release Time: 8.4 ms
  • Operate Time: 16.8 ms
  • Electrical Life: 100K cycles
  • Mechanical Life: 10M cycles
  • Insulation Resistance: 100MΩ min. @ 500VDC
  • Dielectric Strength: 750V rms (coil to contact), 500V rms (contact to contact)
  • Operating Temperature: -40°C to +125°C
  • Storage Temperature: -40°C to +155°C
  • Shock Resistance: 147m/s² for 11 ms
  • Vibration Resistance: 1.5mm double amplitude, 10–40Hz
  • Terminal Strength: 8N (quick connect), 4N (PCB pins)

Buy the Cit Relay A21ASP24VDC16D – Reliable Automotive Relay for Industrial Applications

Purchase the Cit Relay A21ASP24VDC16D online today and enjoy high-performance automotive switching capabilities. Featuring a compact design, sealed construction, and 40A current handling, this relay ensures durability and reliable operation in automotive, lighting, and industrial applications. Its 24VDC coil with 1.6W power, includes coil suppression diode for safety, and provides long electrical and mechanical life. Available with PCB pins or quick connect terminals, buy online now for the best deals and prompt delivery.

Buy Cit Relay A21ASP24VDC16D now and experience unmatched reliability and performance in automotive and industrial switching solutions.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21ASP24VDC16D?

You can click on the BUY or RFQ button to purchase A21ASP24VDC16D from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21ASP24VDC16D?

You can download the A21ASP24VDC16D datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21ASP24VDC16D?

CIT Relay and Switch

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