We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
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
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

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

(1)
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

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

Order the TMG 740-3 from 3G Electric. We deliver to your location, handle all customs import clearance, and invoice in USD. Lead time on request — contact us for availability and quotation.

What are the voltage and current specifications for the TMG 740-3?

Supply voltage is 220/240 V AC, 50 Hz (40–60 Hz range). Maximum output load is 4 A ohmic at 15 VA power consumption. Fast protection rating is 10 A; delayed protection is 6 A ohmic.

Is the TMG 740-3 suitable for flame-monitoring and burner safety applications?

Yes. The TMG 740-3 is designed for industrial combustion systems and flame-monitoring duty. It provides ionization sensitivity of 1.6 µA and UV sensitivity of 70 µA, making it ideal for safe burner shutdown and protection circuits.

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Gas Trains & Valves Ignition Transformers Burner Controls Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Relay MMI 813.23
Honeywell
Relay MMI 813.23
Relay MMI 810.33
Honeywell
Relay MMI 810.33
Relay MMI 810.13
Honeywell
Relay MMI 810.13
MMI 811.35 relay
Honeywell
MMI 811.35 relay

More from Honeywell

View all Honeywell parts
Relay MMI 810.40.34
Honeywell
Relay MMI 810.40.34
Relay FFW 930
Honeywell
Relay FFW 930
Relay MMI 816.1
Honeywell
Relay MMI 816.1
MMG 810.1 MOD 45 relay
Honeywell
MMG 810.1 MOD 45 relay
Relay MMI 810.1 MOD 43
Honeywell
Relay MMI 810.1 MOD 43
Relay TFI 812.10
Honeywell
Relay TFI 812.10
Relay CM 31 TW40/TS10
Honeywell
Relay CM 31 TW40/TS10
Relay TFI 812.05
Honeywell
Relay TFI 812.05

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first