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Schneider Electric RXM Relay - RXM4AB2B7

Schneider Electric RXM Relay - RXM4AB2B7

This Schneider Electric Zelio Relay is an auxiliary relay with a nominal coil voltage of 24V AC at...

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Product Information

Full details

This Schneider Electric Zelio Relay (RXM4AB2B7) is designed for industrial applications and electrical control systems, offering reliable switching with its 4PDT configuration and 8A switching current. It is ideal for increasing functionality in electrical enclosures and mechanical equipment. While its plug-in design simplifies installation, remember that a separate base for DIN rail or screw mounting is required.

All features

SeriesRXM
Model Part NumberRXM4AB2B7
BrandSchneider Electric

Extended Product Information

FAQs

What is a non-latching relay?

A non-latching (or monostable) relay remains in its last position only while the coil is energized. When power is removed from the coil, it returns to its default state (normally closed contacts open, normally open contacts close).

Do I need to buy a separate base for this relay?

Yes, the RXM4AB2B7 is a plug-in relay and requires a compatible relay socket for mounting on a DIN rail or with screws, which must be ordered separately.

What is the maximum switching power capacity?

The relay can handle a maximum switching power of 1.5 kVA for AC loads and 168 W for DC loads.

Can this relay be used with DC voltage?

The coil operates on 24V AC. While it can switch DC loads up to 168W, the coil itself requires AC power.

What does 4PDT mean?

4PDT stands for 4 Pole Double Throw. It means the relay has four independent sets of contacts, and each set has a common terminal, a normally open (NO) terminal, and a normally closed (NC) terminal, providing four changeover switching functions.

What are the dimensions of this relay?

The dimensions are 21mm in width, 40mm in depth, and 27mm in height (WxDxH).

Is this relay suitable for outdoor use?

While the relay is robust, its suitability for outdoor use depends on the enclosure and environmental conditions. It is primarily designed for industrial applications and should be protected from direct exposure to weather elements unless installed within a suitable protective enclosure.

Troubleshooting

Relay does not energize when coil voltage is applied

Verify the coil voltage is exactly 24V AC and that the power supply is connected correctly to the coil terminals on the socket. Check for any obstructions preventing proper seating in the socket.

Contacts are not switching (stuck open or closed)

Ensure the coil is properly energized. Check the contact ratings; the load may exceed the 8A switching current or 1.5 kVA (AC) / 168 W (DC) limit. Inspect contacts for any signs of welding or damage.

Intermittent operation or failure

Check for loose wiring connections at the socket. Ensure the relay is securely seated in its socket. Environmental factors like vibration or extreme temperatures could also be a cause.

LED indicator does not light up

Confirm the coil is receiving the correct 24V AC voltage. The LED may be integrated into the coil circuit, so if the coil is not energized correctly, the LED will not illuminate. Check for physical damage to the relay.

Pros and Cons

Pros

  • Versatile 4PDT contact configuration suitable for complex switching.
  • Compact design for integration into tight spaces.
  • Easy installation and replacement due to plug-in design.
  • LED indicator provides clear operational status.
  • Robust construction suitable for industrial environments.
  • Meets various international standards for reliability and safety.

Cons

  • Requires a separate mounting base (DIN rail or screw type).
  • Coil voltage is specific to 24V AC, limiting compatibility with other voltages without a transformer.
  • Not suitable for high-frequency switching applications.
  • Does not include latching functionality, which might be needed for certain applications.

Setup, Compatibility & Care

Setup: The RXM4AB2B7 is a plug-in relay. To install, first attach a compatible relay socket (sold separately) to a DIN rail or mount it using screws. Then, align the relay with the socket and firmly push it in until it clicks into place. Ensure the coil voltage (24V AC) matches your power source.

Compatibility: This relay is designed to work with 24V AC power sources at 50Hz or 60Hz. It requires a compatible socket from Schneider Electric's Zelio Relay range. Ensure your system's wiring and power supply are compatible with its specifications, including the 8A switching current and 250V AC maximum switching voltage.

Care: To maintain optimal performance:

  1. Keep the relay clean and free from dust and debris. Use a dry or slightly damp cloth for cleaning.
  2. Avoid exposure to excessive moisture, extreme temperatures, or corrosive environments.
  3. Periodically check connections for tightness and signs of wear.

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