CIT Relay and Switch A21ASQ12VDC19D Automotive Relay
This 12 V DC automotive relay supports a switching current of up to 40 A with a sealed housing for enhanced durability. Featuring a quick connect terminal and SPST N.O. contact arrangement, it operates with a coil power of 1.9 W. Designed for automotive and lamp accessories, it provides reliable switching with a contact resistance of less than 30 milliohms, supported by contact material AgSnO2. The relay is resistant to shock and vibration, with an operating temperature range from -40°C to +125°C, and includes diode coil suppression for optimal performance.
CIT Relay and Switch A21ASQ12VDC19D Automotive Relay Specifications:
Coil Voltage: 12VDC
Coil Power: 1.9W
Contact Arrangement: SPST N.O.
Maximum Switching Power: 630W
Switching Current: 40A @ 14VDC
Contact Resistance: < 30 milliohms
Contact Material: AgSnO2
Mechanical Life: 10 million cycles
Electrical Life: 100,000 cycles @ rated load
Operating Temperature: -40°C to +125°C
Sealing: Sealed
Coil Suppression: Diode (1N4005)
Insulation Resistance: 100MΩ min. @ 500VDC
Dielectric Strength: 750V rms coil to contact, 500V rms contact to contact
Shock Resistance: 147 m/s² for 11 ms
Vibration Resistance: 1.5 mm double amplitude, 10–40Hz
Weight: approximately 35g
Dimensions: 26.0 x 26.0 x 24.5 mm (body), with quick connect terminals
Buy the Buy CIT Relay & Switch Automotive Relay Part Number A21ASQ12VDC19D Online
Purchase the CIT Relay & Switch automotive relay online today and experience reliable switching with 40A capacity, sealed housing for durability, and diode coil suppression. This 12V DC relay features quick connect terminals for easy installation, a contact resistance of less than 30 milliohms, and a contact material of AgSnO2 for excellent conductivity. Ideal for automotive and lamp accessories, it operates efficiently within a temperature range of -40°C to +125°C. Secure your vehicle’s electrical system with this high-performance relay, designed for long-term reliability and ease of use.
Get CIT Relay & Switch A21ASQ12VDC19D today—built for automotive reliability, high current switching, and long-lasting durability.
Frequently Asked Questions
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You can download the A21ASQ12VDC19D datasheet or visit the CIT Relay and Switch website for support.
Who is the manufacturer of A21ASQ12VDC19D?
CIT Relay and Switch
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