Product Name:burner control box
Brand Name:Honeywell
Model Number:TMG 740-3 MOD 43-35
Country of Origin:USA
Warranty:12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
Honeywell |
Model Number: |
TMG 740-3 MOD 43-35 |
Country of Origin: |
USA |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
in stock |
Payment Terms: |
T/T |
|
Sales Manager: |
Stella |
|
Send an email: |
|
|
Contact in Whatsapp: |
| Parameter | Specification |
|---|---|
| Product Model | TMG 740-3, burner control box for forced draft combustion systems, designed for oil/gas dual-fuel operation |
| Power Supply | 220–240 V AC, 50/60 Hz, voltage tolerance -15% to +10%, stable industrial control operation |
| Power Consumption | Approximately 15 VA, low-energy control circuit design for continuous burner supervision |
| Max Output Load | 4 A per terminal, total 6 A combined output capacity for actuator and valve control |
| Flame Detection Sensitivity | Ionisation: 1.6 µA input, UV detection: 70 µA sensitivity range for stable flame monitoring |
| Weight | 1100 g including base, compact control unit suitable for panel or base mounting |
| Protection Class | IP44 rated enclosure, resistant to dust ingress and water spray in industrial environments |
| Operating Temperature | -20°C to +60°C, suitable for harsh burner room conditions and continuous duty cycles |
| Dimension | N/A (not specified in source datasheet, base-mounted modular housing design) |
The TMG 740-3 burner control box is engineered for reliable management and supervision of medium to high-performance forced-draft burners operating on gas or dual-fuel oil systems. It supports single-stage, two-stage, multi-stage, and modulating combustion modes, making it suitable for a wide range of industrial heating applications, including air heaters compliant with DIN 4794.
Designed with interchangeable compatibility across earlier TMG 740-1 and TMG 740-2 versions, the TMG 740-3 integrates a synchronous motor-driven cam switch system, LED program indicators, and multiple safety relays to ensure precise sequencing and flame supervision. Its modular plug-in PCB structure enhances serviceability and operational stability.
Built with flame-resistant housing and advanced monitoring logic, the TMG 740-3 provides enhanced burner safety through flame detection compatibility (UV, ionisation, and IR sensors). It is widely used in high-demand combustion systems requiring dependable ignition control and fault protection.
Q1: What type of burners can the TMG 740-3 control?
A1: It supports forced-draft gas and dual-fuel oil/gas burners in single, two-stage, and modulating configurations.
Q2: Which flame detectors are compatible with TMG 740-3?
A2: It works with ionisation probes, UV sensors, and infrared flicker flame detectors.
Q3: Is the TMG 740-3 suitable for industrial environments?
A3: Yes, it is IP44 rated and designed for stable operation in demanding industrial combustion systems.
Q4: Can it replace older burner control models?
A4: Yes, it is fully interchangeable with earlier TMG 740-1 and TMG 740-2 versions.
Q5: What is the main safety function of this control box?
A5: It provides flame monitoring, automatic shutdown, and lockout protection in case of abnormal combustion conditions.
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