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CIT Relay and Switch A21CSP24VDC16D Automotive Relay

This automotive relay features a PCB pin contact interface with a Single Pole Double Throw configuration, designed for reliable switching up to 40 A at 24 V DC. It is sealed for protection against environmental factors, with a compact size of approximately 26.0 x 26.0 x 24.5 mm. The relay operates with a coil power of 1.6 W, incorporates a diode suppression circuit (1N4005), and has a maximum coil resistance of 303.2 ohms. Suitable for vehicle and lighting accessories, it supports high current switching with quick connect terminals available.

Authorized Distributors
Source:DigiKey
Part No:A21CSP24VDC1.6D
Stock:35
Inv Date:05-30-2026
Price: Unit price: $2.61
Buy/RFQ:

CIT Relay and Switch A21CSP24VDC16D Automotive Relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Contact Arrangement: SPDT (1C)
  • Maximum Switching Power: 630W
  • Switching Current: 40A @ 14VDC, 30A @ 14VDC (NC)
  • Contact Resistance: < 30 milliohms
  • Contact Material: AgSnO2
  • Coil Voltage: 24VDC
  • Coil Power: 1.6W
  • Coil Resistance: 303.2 ohms
  • Release Time: 8.4 ms
  • Operate Time: 10.8 ms
  • Electrical Life: 100K cycles
  • Mechanical Life: 10M cycles
  • Insulation Resistance: 100 MΩ @ 500VDC
  • Dielectric Strength, Coil to Contact: 750V rms min.
  • Shock Resistance: 147 m/s² for 11 ms
  • Vibration Resistance: 1.5 mm double amplitude, 10-40 Hz
  • Operating Temperature: -40°C to +125°C
  • Storage Temperature: -40°C to +155°C
  • Sealing: Sealed with diode suppression
  • Terminal Type: PCB pins with quick connect option

Buy the Buy CIT Relay & Switch Automotive Relay Part Number A21CSP24VDC16D Online

Purchase the CIT Relay & Switch automotive relay with part number A21CSP24VDC16D online today to ensure dependable high-current switching for automotive, lighting, and industrial applications. This sealed SPDT relay supports up to 40A load at 24V DC, featuring PCB pin connections and quick connect terminals for easy installation. Its compact design, 1.6W coil power, and diode suppression circuit guarantee reliable performance and long service life, making it ideal for vehicle accessories, lighting, and control systems. Shop now for fast, secure delivery!

Order your CIT Relay & Switch Series A21CSP24VDC16D automotive relay today and ensure reliable high-current switching for your vehicle or lighting projects.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21CSP24VDC16D?

You can click on the BUY or RFQ button to purchase A21CSP24VDC16D from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21CSP24VDC16D?

You can download the A21CSP24VDC16D datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21CSP24VDC16D?

CIT Relay and Switch

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