


| Brand | ALLEN-BRADLEY |
|---|---|
| Manufacturer Part Number | 700-CR5 |
| Type | POWER RELAY |
| Current Type | AC/DC |
| Features | HEAVY DUTY |
| Application | COMMERCIAL, CONTROL EQUIPMENT PANELS, INDUSTRIAL |
The Allen-Bradley 700-CR5 Contact Cartridge Relay is a versatile electrical switching component designed for various industrial automation applications. ThisNormally Open (NO) relay is part of the Allen-Bradley 700 Series, known for its reliability, durability, and easy-to-use design.
This contact cartridge relay operates on an ac or dc coil, providing flexibility to suit different power source requirements. The NO contact design indicates that the contacts open when the relay coil is de-energized. The relay contains silver contacts, which are known for their excellent conductive properties, ensuring fast and reliable contact making and breaking.
The Allen-Bradley 700-CR5 Contact Cartridge Relay features a compact design with a U-frame form factor. The relay is available in several configurations, including 2-, 3-, 4-, 5-, 6-, and 8-pin versions, allowing users to select the specific number of contacts required for their applications. Each contact can handle various voltage and current ratings, making this relay suitable for a wide range of industrial automation tasks.
The contact cartridge is protected by a die-cast aluminum housing, which enhances the overall rigidity and shields the internal components from potential damages. This compact yet robust design makes the Allen-Bradley 700-CR5 Contact Cartridge Relay ideal for harsh industrial environments.
The relay comes with a coil protection feature, which ensures proper coil voltage and current protection. When the voltage or current exceeds the specified limits, the coil will be disconnected to protect against potential damage. Additionally, the terminal block is equipped with a built-in insulation bridge to prevent phantom voltage when using solidly grounded contacts.
The Allen-Bradley 700-CR5 Contact Cartridge Relay is easy to install, requiring only a few basic tools, and its clear, color-coded terminal markings make proper wiring connections straightforward. This reliable and versatile switching component offers high performance and extended service life, making it a popular choice for industrial automation applications.
Allan-Bradley 700-CR5 contact cartridge relays are commonly used in industrial automation applications due to their rugged construction and reliable contact performance. Here are some pros and cons of buying an Allan-Bradley 700-CR5 contact cartridge relay:
Pros:1. Robust Design: This relay is designed to withstand harsh environments and can operate in temperatures ranging from -40 degrees to 85 degrees Celsius.
2. Versatile: The 700-CR5 relay is available in various configurations, including normally open (N.O.), normally closed (N.C.), and changeover (Form C) contacts. It can also be used with various coil voltages, including 120VAC, 24VAC, and 120VAC/24VAC.
3. High Contact Rating: The contact rating of the Allan-Bradley 700-CR5 relay is relatively high, making it ideal for applications that require high current and voltage switching.
4. Interchangeable: The Allan-Bradley 700-CR5 relay is compatible with other Rockwell Automation control systems, making it a popular choice for users who already have an investment in Rockwell Automation equipment.
5. Easy to Install: The contact cartridge design of the 700-CR5 makes it easy to install and replace, as the contacts can be removed and replaced without having to remove the entire relay.
Cons:1. Cost: The Allan-Bradley 700-CR5 contact cartridge relay can be more expensive than some other relays on the market due to its high performance and rugged design.
2. Size: The 700-CR5 relay is larger than some other relays, which may make it less suitable for applications with limited mounting space.
3. Limited Coil Voltage Selection: While the 700-CR5 is available with different coil voltages, it may not be available with every possible coil voltage, which could limit its applicability to certain applications.
Conclusion:The Allan-Bradley 700-CR5 contact cartridge relay is a high-performance, rugged relay that is suitable for harsh industrial environments. It offers versatility, interchangeability, high contact ratings, and ease of installation. However, it may be more expensive than some other relays, and its larger size may make it less desirable for applications with limited space. If the application requires high current and voltage switching in a rugged environment and the space and budget allow, the 700-CR5 is a suitable choice. Otherwise, other options may be more cost-effective.
Recommendation:If the application does not require the high contact rating or rugged design of the Allan-Bradley 700-CR5 relay, other options may be worth considering, such as solid-state relays, contactform relays, or general-purpose relays. These options may be less expensive, smaller, and more suitable for less demanding applications. However, if the application requires the reliability and durability of the 700-CR5, it is a solid choice.
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