What is the Honeywell TMG 740-3 relay used for?

The Honeywell TMG 740-3 is a burner control relay designed for industrial combustion systems, flame monitoring, and burner safety applications. It delivers fast protection up to 10 A and regulates ignition and fuel valve circuits in heating equipment operating at 50 Hz.

What are the specifications of the TMG 740-3 relay?

The TMG 740-3 operates at 220/240 V supply with 50 Hz frequency (40–60 Hz range). It provides maximum output load of 4 A ohmic, 15 VA power consumption, fast protection to 10 A, and ionization sensitivity of 1.6 µA for flame detection in industrial burner systems.

Where can I buy the Honeywell TMG 740-3 relay in Singapore?

3G Electric supplies the Honeywell TMG 740-3 (SKU REL25135) to customers across Singapore and Southeast Asia. We source and deliver complete burner control solutions with full customs and logistics handling for seamless project integration.

How do I select a burner control relay for my system?

Verify your system's supply voltage (220/240 V), frequency (50 Hz), and maximum load current (4 A ohmic). Confirm flame-monitoring type and safety rating requirements. The TMG 740-3 suits standard industrial combustion applications; contact 3G Electric with your equipment specs for fit assessment.

Honeywell Relay TMG 740-3 63.55 - Burner Controls

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Honeywell Relay TMG 740-3 63.55

Honeywell TMG 740-3 is a burner control relay for industrial combustion systems, rated 220/240 V with maximum output load of 4 A ohmic and 15 VA power consumption. It operates at 50 Hz (40–60 Hz range) and provides…

SKU 3G-CBM-05919

Also listed as: REL 25135 · REL-25135

Brand

Honeywell

Item

Relay TMG 740-3 63.55

Technical Specifications

Honeywell

model

TMG 740-3 

frequency

50 Hz (40-60 Hz) 

protection

max 10 A fast, 6 A delayed 

total load

6 A ohmic 

supply voltage

220/240 V 

max output load

4 A ohmic 

uv sensitivity ua

70

power consumption va

15

ionization sensitivity ua

1.6

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Honeywell Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Used in

Common applications for Honeywell

Commercial kitchen and inflight-catering steam boilers — RM7890 / RM7895 flame relays with UV detection

Food-processing ramp-and-dwell ovens — DBC2000E / DBC2100E controllers

Hotel and hospital boiler plants — VR8205 combination gas controls

Petrochemical tank-farm heating — V4xxx gas-valve bodies with ML7420 actuators

Retrofit swap-outs from legacy Fireye / Satronic — Honeywell replacement kits

Honeywell Products

3G Electric supplies Honeywell burner controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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