1. General Purpose Relays Items
  2. sku: 9917755024836883
  3. ESUPPORT CXR40AIRB

CXR40AIRB ESUPPORT Car Van Boat Pins Spst Alarm Relay Air He

CXR40AIRB ESUPPORT Car Van Boat Pins Spst Alarm Relay Air He
Product Information
BrandESUPPORT
Manufacturer Part NumberCXR40AIRB
Part TypePIN ALARM
Measurement SystemIMPERIAL, METRIC
Maximum Switching Current40.0
Contact MaterialSILVER
Contact TypeSPST
Connector TypeTHROUGH HOLE
Coil Voltage12.0
Customer Package TypeSTANDARD PACKAGING
Wattage480.0
Operation ModeMANUAL
Mounting TypeSURFACE MOUNT
UPC613706403015
Package Dimensions Lxwxh7.05X5.24X1.02 INCHES
Weight0.35 POUNDS

Review ESUPPORT 12v 40a Car Automotive Van Boat Truck Pins Spst Alarm Relay Air He

The Esupport CXR40AIRB is a versatile 12V 40A car, van, boat, or RV accessory relay designed for various applications, including air compressors, air conditioning systems, pumps, alarms, and other power-consuming devices. This relay is an essential addition to your vehicle or mobile setup, ensuring reliable and efficient power management.

The CXR40AIRB is a Single-Pole, Single-Throw (SPST) relay, meaning it can switch a single circuit on or off. It comes with four 30A rated form A contacts, providing ample capacity to handle the power requirements of most car and marine accessories. The relay also features a coil voltage of 12V DC and a contact rating of 40A.

Measuring 36mm x 26mm x 16mm (LxWxH), the CXR40AIRB is compact and can be easily installed in various locations, making it a popular choice for DIY enthusiasts and professional installers. The relay housing is made of high-quality, corrosion-resistant materials, ensuring durability and longevity, even in harsh environments.

The CXR40AIRB is designed to operate at a temperature range of -40 C to 85 C, making it suitable for use in various climates and conditions. It also features a low power consumption coil, minimizing the load on your vehicle's electrical system.

Installation of the CXR40AIRB is straightforward, with clear markings on the relay for easy identification of the various terminals. It comes with a mounting plate and screws for secure installation, and the included crimp terminals make wiring simple and efficient.

With its robust design, reliable performance, and versatile applications, the Esupport CXR40AIRB is an indispensable accessory for anyone looking to power various devices in their car, van, boat, or RV. Its compact size, high power capacity, and corrosion-resistant materials make it an excellent investment for both DIY enthusiasts and professional installers.

Pros and Cons of Buying an ESPORT CXR40AIRB 12V 40A Car, Van, Boat, PINS SPST Alarm Relay

The ESPORT CXR40AIRB is a 12V, 40A SPST (Single Pole Single Throw) alarm relay designed for use in cars, vans, and boats. This relay is specifically designed to switch high current loads, making it suitable for various applications, including air conditioning systems and alarms. In this discussion, we will examine the potential advantages and disadvantages of purchasing a ESPORT CXR40AIRB.

Pros:

1. High Current Capability: The ESPORT CXR40AIRB can handle a maximum current of 40 Amperes, making it suitable for applications requiring significant power.

2. Compact Size: Despite its high current handling capability, the relay is relatively small in size, making it easy to install in confined spaces.

3. SPST Design: The single pole single throw design makes it easy to use, as it requires only one input to control the output.

4. Automotive-Grade: The ESPORT CXR40AIRB is designed for automotive applications, ensuring that it meets the necessary safety and reliability standards.

Cons:

1. Limited Switching Frequency: The ESPORT CXR40AIRB has a limited switching frequency, which may not be suitable for applications requiring frequent switching.

2. Requires External Diode: An external diode is required to protect the relay from inductive loads. This adds to the overall cost and complexity of the installation.

3. Manual Reset: In case of an alarm activation, the relay needs to be manually reset. This can be inconvenient in some applications where automatic reset is desired.

Conclusion:

The ESPORT CXR40AIRB is a reliable and powerful 12V, 40A SPST alarm relay suitable for various automotive applications. Its high current handling capability and compact size make it an attractive option. However, its limited switching frequency and the requirement for an external diode may be drawbacks for some users. Ultimately, the decision to purchase the ESPORT CXR40AIRB depends on the specific requirements of the application and the user's preference for ease of use and cost.

Recommendation:

If you're looking for a reliable and powerful 12V, 40A SPST alarm relay for automotive applications, the ESPORT CXR40AIRB is a strong contender. However, consider the limitations, such as the limited switching frequency and the requirement for an external diode, before making your final decision. Weigh the pros and cons against your specific requirements to determine if the ESPORT CXR40AIRB is the best fit for your application.

Details:

High 40a coil capacity able to handle those high current applications with ease. Pin number: 4 pin, spst contact type. Suitable for a device draws heavy amperage such as car alarms, remote starts, hid headlights, pop doors, trunk releases strobe lights, fog stereos, fans, air horns and so on. Mechanical life of 100,000 cycles, life expectancy mechanical: 10,000,000 operations.

Esupport 12v 40a car automotive van boat truck 4 pins spst alarm relay air heavy pack of 5: voltage : 12v, current.

specifications genpurrelays:

  • brand: Esupport
  • mpn: Cxr40airb
  • part type: Pin Alarm
  • measurement system: Imperial, Metric
  • maximum switching current: 40.0
  • contact material: Silver
  • contact type: Spst
  • connector type: Through Hole
  • coil voltage: 12.0
  • customer package type: Standard Packaging
  • wattage: 480.0
  • operation mode: Manual
  • mounting type: Surface Mount
  • upc: 613706403015
  • package dimensions lxwxh: 7.05x5.24x1.02 Inches
  • weight: 0.35 Pounds

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general genpurrelays:

  • category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

offer genpurrelays:

  • started: june 27, 2025
  • sold #: 19
  • prices: $19.08–$22.68
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