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GE RR9 Low Voltage Pilot Light Remote Control Relay Switch RR9PBP

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General Electric's RR9 solenoid relay switch features an isolated pilot contact and is the recommended replacement part for older, discontinued GE pilot light relays. Featuring 5 six-inch low voltage leads with a new plug-in connector, this mechanical latching relay uses momentary 24 volt switch pulses to open and close line voltage circuits. These low voltage switch control relays can also be used as replacements in vintage Bryant and Sierra systems.



  • 20 amp, 277 volt RR 9 remote control relays #RR9PBP; (equivalent to RR 9X, RR9X); GE is a 24 Volt AC system
  • single pole single throw (SPST) maintained relay, 6" wire leads with a yellow plug on end
  • 1.5" W x 1.75" D x 2.5" H with a 7/8" diameter cylinder
  • five 6" wire leads - 2 yellow, 1 black, 1 red, 1 blue* with plug end
  • simply cut off the yellow plastic plug end for systems not using plug-in relays
  • (RR9PBP replaces the non-plug-end RR9 relay shown in second photo)
  • unique coil design resists burnout; isolated contacts internal to the relay
  • use with #14-10 AWG solid or stranded copper wire
  • operates in any position
  • GE RR9PBP also replaces older GE RR4, RR6, RR8, RR9 pilot light relays plus Sierra Electric and Bryant relays for lighted switches - use a GE RR7 relay to replace GE RR2, RR3 or RR5
  • UL Listed 508G IND. CONT. EQ.; cULus (indicates compliance with both Canadian and U.S. requirement) E18830
  • genuine replacement parts made in India for "Current, Powered by GE", marked with Current Brand
  • can replace Sierra or Bryant versions of a similar type

*Wiring Tip: If replacing an older relay such as the RR-8, the wire colors have changed slightly. You will now connect the old red wire to the new red wire, the old black wire to the new black wire, the old yellow wire (or blue/white spiral) to the new yellow wire, and connect the old blue wire to BOTH the second new yellow wire and the new blue wire. Connect the load wire to one of the screw terminals on the relay base and the hot wire to the other. (It doesn't matter which one - both terminals function the same way).

Detailed Rating Info: Each relay employs s split low-voltage (24V) coil to move the line voltage contact armature to the ON(OFF) latched position. Pilot contact is 1A, 24 VAC isolated. Operating voltage is 24-29 VAC (10%) half or full wave rectified or pure, 30- 38 VDC (10%) filtered. Resistive load is 30A 277 V.A.C. Lamp load - 20A tungsten filament 125 VAC, 20A ballast 277 VAC. Endurance is 50,000 cycles - full load; 100,000 cycles - no load. ( GRR9, GERR9, RR-9 ) May be used to full-rated capacity for tungsten filament, ballast, or resistive loads. This Model RR-9 includes an auxiliary contact on the low voltage side for status indication. Find coordinating GE devices and switch plates at General Electric Low Voltage Lighting Components.

Power Contact Latching for RR9 Relay with Isolated Pilot

20A Tungsten 125VAC 1/2 HP  motor at 110 - 125VAC

30A Ballast 277VAC 1 1/2 HP  motor at 277VAC

30A Resistive 277VAC

20A Ballast 347VAC 1 1/2 HP  motor at 347VAC

20A Resistive 347VAC

Q & A

My system does not use plug-end relays. Will this version work?
Like the original models, the RR9PBP (or the RR9 version) is a standard solenoid relay designed for use with GE RS series pilot lighted switches. Note that the RR9PBP version has a yellow plug-end which can be snipped off for systems that don't need the plug.

How do I replace an old RR4 relay with 5 wires on top with this new RR9 relay?
Connect the old red to the new red, the old black to the new black, the old blue to the new blue, the old yellow to the new yellow, and the old blue/white spiral wire to the remaining new yellow wire.
To secure it in your panel use a 1" I.D. rubber grommet that fits over the cylinder.

How do I replace an old RR8 relay with 4 wires on top with this new RR9 relay?
Connect the old red to the new red, the old black to the new black, the old light blue to both the new blue and one of the new yellow, and the old blue/white spiral (or yellow) wire to the remaining new yellow wire.

How do I replace an old RR6 push-in relay that connects via a bus bar?
Older style GE remote control relays were at times designed to plug into a bus bar to make the connection. The vintage RR-6 pilot lighted relays were discontinued without direct replacements.

While there is no direct replacement for the RR6 relays, with some custom adaptations you can use the current RR9 relays in your system.

The bus-bar for RR6 relays provided the Hot as well as the Neutral connection. The RR9 relays operate in a very similar way with a wall switch (hot coming in); switched leg ‰(hot - going out).

The RR9 don't have connectors to plug into the HOT/Neutral on the bus bar, therefore the connections shall be:

White going to the load (light) shall be connected to the White feeding the bus-bar (not through the relay).

Hot going to load (black wire) shall connect to one of the screw terminals on the relay (doesn't matter which one).

Hot feeding the relay (second black wire) needs to be connected to the black of bus bar and into the second terminal on the RR9 relay.

The new RR9 relay should fit into the same knockout, but the wires will be coming out of the side of the relay instead of from the bottom of it.

My old mercury relay says RR 9X on the base. Does this relay replace it?
The "X" on the end of RR9X is just a placeholder character for any type of connector (easy connectors, plugin, stripped leads, etc.), but it is actually same relay. You can safely replace it with this RR9 relay.

What is the difference between a RR9 relay and a RR8 relay?
The RR9 relay is similar to the RR8 relay except that it provides for isolated contact where required such as with computers. The old RR9 had 5 wires coming out of the top (black, red, blue, striped blue/white, yellow) whereas the RR8 only had 4 wires coming out of the top (red, blue, black, yellow).

How do these relays work?
These are mechanical latching relays that works on the solenoid principle with two split coils. Energizing the ON coil will latch the coil in the ON position, and energizing the OFF coil will latch the contact in the OFF position.

How many relays can be controlled by a single switch?
GE recommends not exceeding 8 relays being controlled by the same switch in vintage systems because the old systems did not have sequencers. Because of this, when pressing the button, all relay coils are energized in same time. The current used is about 220 mA per relay, so having too many relays wired in parallel will cause the power voltage to drop and the relays will not switch. If you need to control more than 8 relays, GE suggests upgrading to the new LightSweep systems. The new systems are sequencing the command to the relays so that each will receive a 100 msec pulse to change their state (on to off, off to on) one after the other.

Can I use an RR9 relay to replace an RR7?
Yes, as long as the unused yellow leads are capped off.

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Product Reviews

  • S
    Stephen Brooks Verified Buyer
    23rd Mar 2022
    Relay switch

    So far, I am very happy with the product.

  • J
    Jon Verified Buyer
    16th Nov 2021
    RR9 relays

    Ordering easy, got them quickly

  • P
    Patrick Kline Verified Buyer
    4th Feb 2021
    GE RR9 relay

    Relays arrived on time and in new condition

  • P
    Paul W Verified Buyer
    14th Jan 2021

    Worked great. Had to trim off the plug but still does the job

  • C
    Chad Verified Buyer
    12th Feb 2019
    everything you need is on this site

    As a novice not knowing anything about low voltage systems I was able to use this site to diagnose my problem find the parts I need and there was excellent support explaining how to upgrade from the four wire RR8 to a 5 wire RR9. I won't go anywhere else for my vintage system. Thanks

  • B
    Bridget Susalla Verified Buyer
    1st Mar 2018

    I was desperate to finish this project so I could close on my house. They got my shipment out in a day!!!

  • M
    Mark Verified Buyer
    29th Jan 2018
    Excellent replacement for the RR8 Relay with pilot

    My 1926 house was retrofitted with the General Electric Low Voltage lighting wiring system sometime between the early 50's to late 70's, according to the previous owner.
    Multiple light switches, with pilot lights to indicate the circuit was On, operated a room or exterior light or master switches turned all the room lights off except turned the hall light and exterior lights on.
    When my kitchen light would not turn off from any of the switches, I had to learn the system.
    It wasn't so bad. After tracing a few wires, I found that all the wiring followed a pattern which lead to an RR8 Relay. Using the volt meter, I found that the On contacts had a small voltage of .243v. Not like to .002mV all the other relay contact s had.
    After replacing the easy to install relay with an RR9 (where either of the two yellow leads is connected to the Blue lead to mirror the RR8 pilot light configuration), everything worked great!

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