EDWARDS SIGNALINGRelays for Fire Alarm Systems

EDWARDS SIGNALING Relay: 115V AC/230V AC/24V AC/24V DC, 6.12 in Body Ht

The EDWARDS SIGNALING MR101/C is a UL-listed SPDT relay for fire alarm systems, rated 24V DC with a body height of 6.12 inches and depth of 2.5 inches. 3G Electric interprets this demand and delivers the exact OEM…

SKU 3G-OTH-547732

Also listed as: MR101C · MR101 C · MR101-C

Brand

EDWARDS SIGNALING

Item

Relay: 115V AC/230V AC/24V AC/24V DC, 6.12 in Body Ht

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

EDWARDS SIGNALING

Manufacturer Part Number

MR101/C 

Body Dp

2.5 in 

Body Ht

6.12 in 

Standards

UL

Contact Form

SPDT 

Product Type

Relay 

Voltage Rating

24V DC 

Technical Documents

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EDWARDS SIGNALING Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the EDWARDS SIGNALING MR101/C relay used for?

The EDWARDS SIGNALING MR101/C is a UL-listed SPDT relay designed for fire alarm systems. It switches control circuits on 24V DC power, commonly used in notification appliance circuits and auxiliary control panels. 3G Electric supplies this exact OEM part for fire safety applications worldwide.

What are the specifications of the EDWARDS SIGNALING MR101/C relay?

The MR101/C is an EDWARDS SIGNALING SPDT relay rated 24V DC, with a body height of 6.12 inches and depth of 2.5 inches. It is UL-listed for fire alarm systems. 3G Electric sources this OEM part to meet your exact voltage and form-factor requirements.

Where to buy the EDWARDS SIGNALING MR101/C relay worldwide?

3G Electric supplies the EDWARDS SIGNALING MR101/C relay to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this UL-listed SPDT relay for fire alarm systems, and we will source and deliver it globally.

How to install the EDWARDS SIGNALING MR101/C relay?

Install the EDWARDS SIGNALING MR101/C relay by mounting it securely in a fire alarm control panel, connecting 24V DC power to the coil terminals, and wiring the SPDT contacts per the system schematic. Always follow NFPA 72 guidelines and the manufacturer's instructions. 3G Electric can provide sourcing support.

Used in

Common applications for EDWARDS SIGNALING

Manufacturing assembly lines — EDWARDS SIGNALING 200 Class tower light modules for machine status indication (e.g., green for running, red for fault).

Process control panels — EDWARDS SIGNALING steady light modules (e.g., 270LEDSG240A) for visual confirmation of pump or valve states.

Material handling systems — EDWARDS SIGNALING tower light stacks with mixed steady/flashing modules for conveyor status and alarm alerts.

Washdown environments — EDWARDS SIGNALING 270BC wiring base with IP66 rating for food processing or pharmaceutical equipment signaling.

Remote monitoring stations — EDWARDS SIGNALING 24V AC/DC modules (e.g., 270LEDSW24AD) for low-voltage control systems in automated warehouses.

Safety and warning systems — EDWARDS SIGNALING amber and red modules for visual warnings on industrial machinery or access gates.

EDWARDS SIGNALING Products

3G Electric supplies EDWARDS SIGNALING relays for fire alarm systems. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all EDWARDS SIGNALING products →Contact our engineers →