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Honeywell Relay TMG 740-3 63.55 - Burner Controls
HoneywellBurner Controls

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

Brand
Honeywell
Item
Relay TMG 740-3 63.55
Category
Burner Controls
UNSPSC
40101833 — Boiler or heater igniter
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

Technical Documents

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Honeywell Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

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 fast protection up to 10 A, fitting flame-monitoring and burner safety applications.

Frequently Asked Questions

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

The Honeywell TMG 740-3 is a burner control relay used to command and supervise forced-draught gas and dual-fuel burners with one or two combustion heads. It supports intermittent operation for medium to high output burners, including staged or modulating control, and is suitable for hot-air generators per DIN 4794.

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

The Honeywell TMG 740-3 operates at 220/240 V, 50 Hz (40–60 Hz range), with power consumption of 15 VA. It provides max 10 A fast and 6 A delayed protection, total ohmic load of 6 A, and max output load of 4 A ohmic. UV sensitivity is 70 µA, ionization sensitivity is 1.6 µA.

Where to buy the Honeywell TMG 740-3 in Singapore?

You can source the Honeywell TMG 740-3 through 3G Electric in Singapore. We supply this burner control relay for industrial combustion systems and handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this Honeywell model.

How to install the Honeywell TMG 740-3 burner control relay?

Install the Honeywell TMG 740-3 in any mounting position within a non-flammable plastic enclosure. Ensure supply voltage is 220/240 V at 50 Hz. Connect flame detectors (ionisation electrode, UV cell, or infrared) per the wiring diagram. Use shielded cable for UV cell runs up to 200 m to avoid interference.

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
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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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