We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Schneider Electric RPM21B7 plug-in relay, square 8-pin base, 24VAC coil

Schneider Electric

Schneider Electric RPM21B7 Plug In Relay 8 Pins 24VAC

SKU CH-AK4Y-EK1GB

A plug-in DPDT relay with 8 pins, 24 VAC coil, 15 A contact rating at 277 VAC or 28 VDC, mechanical indicator and push-to-test button

  • Product typeMiniature Power, Mechanical Indicator
  • Overall length2
  • Product weight0.08
  • Plug-in 8-pin base simplifies installation and maintenance
  • 24 VAC coil voltage suits standard control circuits
  • DPDT contact form switches two independent circuits
  • 15 A rating handles 277 VAC or 28 VDC loads
  • Mechanical flag indicator shows relay status at a glance

Schneider Electric RPM21B7 Plug-In Relay

The Schneider Electric RPM21B7 is a miniature power relay with an 8-pin square plug-in base. It operates on a 24V AC coil and features a mechanical flag indicator for status monitoring. Designed for general-purpose switching, it suits control panels and automation equipment requiring reliable contact operation.

Upgrading from relays without indicators

This relay replaces older plug-in units that lack a mechanical flag or push-to-test function. The jump is worth it when technicians need visual confirmation of coil status without removing the relay from its socket. The lockable push-to-test button also allows safe circuit verification during maintenance.

Simple socket installation

Installation requires a compatible 8-pin square socket wired for DPDT contact form. The plug-in design allows tool-free replacement once wiring is complete. What usually goes wrong is mismatched coil voltage or exceeding the 15A contact rating at 277V AC or 28V DC. Ensure the socket code matches before mounting.

How it compares

Measured against everything we stock in AV Accessories & Components, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 90% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand nameSchneider Electric
Model nameRPM21B7
Product typeMiniature Power, Mechanical Indicator

Questions about this item

Which socket code matches the 8-pin square base on this relay?

The relay uses Socket Code D for its 8-pin square plug-in base.

How do you install the RPM21B7 and what step is often missed?

Plug the relay into a compatible Socket Code D base; the step often missed is engaging the lockable push-to-test lever after insertion.

What part will need checking or replacement over time on this relay?

The silver-nickel contacts rated for 15 A at 277 V AC or 28 V DC and the mechanical flag indicator are the items to inspect periodically.

More in AV Accessories & Components

Similar items