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Auxiliary Control and Signalling Elements

Auxiliary Control and Signalling Elements

When we talk about auxiliary control and signalling elements, we are referring to the backbone of human-machine interface (HMI) in any industrial installation. This category encompasses pilot devices such as pushbuttons, selector switches, emergency stop mushroom heads, pilot lights, and joysticks. These ...

Auxiliary Control and Signalling Elements

When we talk about auxiliary control and signalling elements, we are referring to the backbone of human-machine interface (HMI) in any industrial installation. This category encompasses pilot devices such as pushbuttons, selector switches, emergency stop mushroom heads, pilot lights, and joysticks. These components are designed for panel mounting, typically in 22.5 mm or 30.5 mm cutouts, and operate at low control voltages (e.g., 24 VDC or 230 VAC). They feature robust contact blocks with silver alloy contacts, rated for mechanical endurance of over 1 million operations, and offer IP65 or IP67 protection ratings for harsh environments. The signalling technology predominantly uses high-brightness LEDs for status indication, ensuring long service life and low power consumption. These devices are modular, allowing for easy customization with interchangeable lenses, legends, and contact configurations (e.g., 1NO+1NC, 2NO+2NC).

These elements are fundamental in control panels, distribution boards, and automation cabinets across various sectors. You will find them in industrial manufacturing lines for machine start/stop and emergency stop functions, in process automation for status indication of pumps and valves, in building management systems for HVAC and lighting control, and in power generation plants for generator and breaker control. They are also critical in material handling equipment, such as cranes and conveyors, and in marine and offshore applications where reliability and ingress protection are paramount.

Within this category, the most relevant subcategories include pushbuttons (flush, extended, and illuminated), selector switches (2-position and 3-position), emergency stop devices (twist-to-release and key-release), and pilot lights (steady and flashing LED). The Eaton RMQ-Titan series is a prime example, with article codes structured as RMQ-Titan-M22-XXXX, where XXXX denotes the specific function (e.g., M22-DL for pilot lights, M22-DR for pushbuttons, M22-W for selector switches). Other key series include the Siemens SIRIUS ACT and the Schneider Electric Harmony XB4/XB5 ranges, which follow similar coding conventions for modular components.

Partnering with us ensures you receive genuine, factory-sealed products with full traceability. Our engineering team provides personalized technical support for selecting the correct contact blocks, voltage variants, and accessories like legend plates and mounting adapters. We offer real-time pricing and express worldwide shipping, minimizing downtime for your critical projects. Whether you need a single emergency stop button or a bulk order for a new control panel, we deliver with technical precision and commercial efficiency.

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Manufacturer Code Reference Catalog Number Description Delivery Price

025421

L25LF-WS

Y7-25421

Lens, indicator light, flat, white

White Clear Indicator Plate for RMQ16 25x25

Eaton Moeller® series RMQ16 Lens, indicator light, flat, white

3 View Availability View Price

025426

L25LT-WS

Y7-25426

Lens, illuminated pushbutton actuator, white

White Clear Indicator Plate for RMQ16 25x25

Eaton Moeller® series RMQ16 Lens, illuminated pushbutton actuator, white

3 View Availability View Price

028099

SRAL

Y7-28099

Screw adapter, for lamp socket, RMQ16

Screw Adapter For Lamp Element RMQ16

Eaton Moeller® series RMQ16 Screw adapter, for lamp socket, RMQ16

3 View Availability View Price

028100

SRA10

SRA10

Screw adapter, for contact element 1N/O, RMQ16

Screw Adapter For Contact Element 1NO RMQ16

Eaton Moeller® series RMQ16 Screw adapter, for contact element 1N/O, RMQ16

3 View Availability View Price

028101

SRA01

SRA01

Screw adapter, for contact element 1N/C, RMQ16

Screw Adapter For 1NC Contact Element RMQ16

Eaton Moeller® series RMQ16 Screw adapter, for contact element 1N/C, RMQ16

3 View Availability View Price

028144

BA/C-NZ-22

BA-C-NZ-22Q

028144 BA/C-NZ-22

Hole die-cutting tool 22 mm

Notching tool

3 View Availability View Price

030742

ES16-GN

Y7-30742

Individual key, green

Single Key Green

Eaton Moeller® series RMQ16 Individual key, green

3 View Availability View Price

030744

ES16-BL

Y7-30744

Individual key, blue

Single Key Blue

Eaton Moeller® series RMQ16 Individual key, blue

3 View Availability View Price

036515

Q18WK1

Y7-36515

Selector switch, 2 positions, white, momentary

Selector 16 mm 18x18 mm Return 2 positions White

Eaton Moeller® series RMQ16 Selector switch, 2 positions, white, momentary Q18WK1

2 View Availability View Price

036598

Q18WK1R

Y7-36598

Selector switch, 2 positions, white, maintained

Selector 16 mm 18x18 mm Interlock 2 positions White

Eaton Moeller® series RMQ16 Selector switch, 2 positions, white, maintained Q18WK1R

2 View Availability View Price

036599

Q25WK1

Y7-36599

Selector switch, 2 positions, white, momentary

Selector 16 mm 25x25 mm Return 2 positions White

Eaton Moeller® series RMQ16 Selector switch, 2 positions, white, momentary Q25WK1

3 View Availability View Price

036600

Q25WK1R

Y7-36600

Selector switch, 2 positions, white, maintained

Selector 16 mm: Interlocking 2 positions White

Eaton Moeller® series RMQ16 Selector switch, 2 positions, white, maintained Q25WK1R

2 View Availability View Price

036601

Q25TS-X

Y7-36601

Label mount, black

Black Indicator Label

Eaton Moeller® series RMQ16 Label mount, black

2 View Availability View Price

036602

Q25AS

Y7-36602

Blanking plate, black

Shutter cap 16 mm 25x25 mm Black

Eaton Moeller® series RMQ16 Blanking plate, black

2 View Availability View Price

036976

Q25BS

Y7-36976

Blanking plug, black, IP65_x

Shutter cap 16 mm 25x25 mm Black

Eaton Moeller® series RMQ16 Blanking plug, black, IP65_x Q25BS

2 View Availability View Price

037985

Q18BS

Y7-37985

Blanking plug, black, IP65_x

Shutter cap 16 mm 18x18 mm Black

Eaton Moeller® series RMQ16 Blanking plug, black, IP65_x Q18BS

2 View Availability View Price

037986

01SQ25

Y7-37986

Insert label, black, blank

Black Indicator Label for RMQ16 Label Holder

Eaton Moeller® series RMQ16 Insert label, black, blank

3 View Availability View Price

038074

02SQ25

Y7-38074

Insert label, AL, blank

Grey Indicator Label For RMQ16 Label Holders

Eaton Moeller® series RMQ16 Insert label, AL, blank

3 View Availability View Price

038268

10SQ25

Y7-38268

038268 10SQ25

Inscription Indicator Label: X0 For RMQ16 Label Holder

Eaton Moeller® series RMQ16 Insert label

3 View Availability View Price

038271

90SQ25

Y7-38271

Insert label, I 0

Inscription Indicator Label: X1 0 For RMQ16 Label Holders

Insert label, I 0

3 View Availability View Price

038507

110SQ25

Y7-38507

Insert label, STOP

Indicator label; Registration: STOP; For RMQ16 label holder

Eaton Moeller® series RMQ16 Insert label, STOP

3 View Availability View Price

038767

283SQ25

Y7-38767

Insert label, RUN

Indicator Label Inscription: RUN For RMQ16 Label Holders

Eaton Moeller® series RMQ16 Insert label, RUN

3 View Availability View Price

038771

383SQ25

383SQ25

Insert label, IN SERVICE

Indicator label. Registration: IN SERVICE. For RMQ16 label holder

Insert label, EN SERVICE

3 View Availability View Price

038772

Q25S1R

Y7-38772

Key-operated actuator, 2 positions, maintained

Key selector 16 mm 25x25 mm Interlock 2 positions

Eaton Moeller® series RMQ16 Key-operated actuator, 2 positions, maintained Q25S1R

2 View Availability View Price

038805

Q18S1R

Y7-38805

Key-operated actuator, 2 positions, maintained

Key selector 16 mm 18x18 mm Interlock 2 positions

Eaton Moeller® series RMQ16 Key-operated actuator, 2 positions, maintained Q18S1R

2 View Availability View Price

038806

Q18S1

Y7-38806

Key-operated actuator, 2 positions, momentary

Key selector 16 mm 18x18 mm 2-position return

Eaton Moeller® series RMQ16 Key-operated actuator, 2 positions, momentary Q18S1

2 View Availability View Price

038883

Q18LWK1-GN/WB

Y7-38883

Illuminated selector switch actuator, 2 positions, green, momentary, +filament lamp 24V

Dimmer 16 mm 18x18 mm 2 positions Green Return With

Eaton Moeller® series RMQ16 Illuminated selector switch actuator, momentary, 45°, 18 × 18 mm, 2 positions, With thumb-grip, green, with VS anti-rotation tab, with filament bulb, 24 V

3 View Availability View Price

038930

Q18LWK1-RT/WB

Y7-38930

Illuminated selector switch actuator, 2 positions, red, momentary, +filament lamp 24V

Dimmer 16 mm 18x18 mm 2 positions Red Return With

Eaton Moeller® series RMQ16 Illuminated selector switch actuator, momentary, 45°, 18 × 18 mm, 2 positions, With thumb-grip, red, with VS anti-rotation tab, with filament bulb, 24 V

3 View Availability View Price

038978

Q18LWK1-WS/WB

Y7-38978

Illuminated selector switch actuator, 2 positions, white, momentary, +filament lamp 24V

Light selector; 16 mm; 18x18 mm; 2 positions; Return; White; With

Eaton Moeller® series RMQ16 Illuminated selector switch actuator, momentary, 45°, 18 × 18 mm, 2 positions, With thumb-grip, White, with VS anti-rotation tab, with filament bulb, 24 V

3 View Availability View Price

039247

Q18LWK1R-GN/WB

Y7-39247

Illuminated selector switch actuator, 2 positions, green, maintained, +filament lamp 24V

Light selector; 16 mm; 18x18 mm; 2 positions; Interlocking; Green;

Eaton Moeller® series RMQ16 Illuminated selector switch actuator, maintained, 45°, 18 × 18 mm, 2 positions, With thumb-grip, green, with VS anti-rotation tab, with filament bulb, 24 V

3 View Availability View Price

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