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Transparent IEC control relay with screw terminals for DIN rail mounting

Eaton

Eaton XTRE10B40T IEC Control Relay 4NO 24V AC 16A

SKU CH-MRBZ-RW3V9

IEC control relay with four normally-open contacts, 16 A AC rating, 24 V AC coil and DIN-rail screw-terminal mounting

  • Product typeNon-Latching
  • Product colorTransparent
  • IEC relay rated 16 A for reliable switching
  • 4 normally-open contacts handle multiple circuits
  • 24 V AC coil integrates with standard control voltage
  • DIN-rail mount fits 45 mm panel space
  • Screw terminals and IP20 rating simplify installation

IEC Control Relay for 4NO Switching

The Eaton XTRE10B40T is a non-latching IEC control relay built for 4 normally open contacts. It suits panels that need reliable 24 V AC coil operation with a 16 A AC current rating. Installers working on DIN rail assemblies will find the screw-terminal wiring familiar and the 45 mm frame size standard for dense layouts.

Replaces older IEC relays with lower contact ratings

This unit steps up from relays limited to 10 A at 24 V DC or 6 A at 240 V AC. The jump is worth it when a circuit demands the full 16 A AC rating across four poles without moving to a larger frame. It fits existing XTRE series footprints so panel redesign is unnecessary.

Runs continuously at 140 °F with 3.3 VA coil draw

Under sustained load the relay stays within its IP20 enclosure rating while the coil consumes 3.3 VA at 50 or 60 Hz. The transparent housing lets technicians verify contact status visually during long duty cycles. Heat dissipation is handled by the 2.97 in body depth without forced airflow.

How it compares

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Price $49.99
Pricier than about 55% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand nameEaton
Model nameXTRE10B40T
Product typeNon-Latching
Product colorTransparent

Questions about this item

What DIN rail width and IP rating does the XTRE10B40T need for mounting?

It mounts on a standard 45 mm DIN rail and carries an IP20 rating, so the enclosure must provide at least that level of protection.

How do I wire the coil and contacts on the screw terminals, and what is the common mistake?

Connect 24V AC to the coil terminals (3.3 VA draw) and the load circuits to the four normally-open contacts; the frequent error is exceeding 6 A at 240V AC or 10 A at 24V DC per contact.

When should I plan to replace the relay given its operating temperature limit?

If the ambient temperature inside the cabinet regularly approaches 140 °F, the relay's lifespan shortens, so schedule inspection and possible replacement at that threshold.

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