542A ALLANSON Ignition Transformer – 120V Primary, 10,000V Secondary
The 542A ALLANSON Ignition Transformer is a high-performance, single-pole ferromagnetic transformer designed for constant-duty gas ignition applications. With a 120V primary input and 10,000V secondary output, it provides a reliable, consistent ignition source for commercial and industrial gas burners. Built to burner manufacturer specifications, this transformer runs cooler, quieter, and safer, while meeting American and European EMI/RFI noise emission standards.
Functional, durable, and compatible with multiple OEM models.
Replaces: Webster 312 6A0456, Dongan A10-LA22, Gordon Piatt 932900-1082, A10-LA2
🔑 Key Features
✅ Primary Voltage: 120V AC, Input Frequency 60Hz
✅ Current: 23 mA
✅ Secondary Voltage: 10,000V for reliable gas ignition
✅ Poles: Single Pole, Single Porcelain Design
✅ Grounding: One End Ground
✅ HV Terminal: 1/4-20 Stud for secure high-voltage connection
✅ Junction Box: Internal for easy wiring and protection
✅ High-temperature wire for enhanced durability and safety
✅ Runs cooler and quieter on all types of burners
✅ Designed according to burner manufacturer specifications
✅ Meets American and European EMI/RFI noise emission standards
✅ Dependable, constant-duty power for commercial and industrial applications
📊 Technical Specifications
| Specification | Details |
|---|
| Model |
542A |
| Application |
Gas Ignition |
| Input Voltage |
120V AC |
| Current |
23 mA |
| Grounding |
One End Ground |
| Secondary Voltage |
10,000V |
| Input Frequency |
60Hz |
| HV Terminal |
1/4-20 Stud |
| Junction Box |
Internal |
| Poles |
Single Pole |
| Wire Type |
High-temperature wire |
| Compliance |
EMI/RFI noise emission standards |
| OEM Replacements |
Webster 312 6A0456, Dongan A10-LA22, Gordon Piatt 932900-1082, A10-LA2 |
⚠️ Common Symptoms Indicating Transformer Replacement
-
Burner fails to ignite or weak spark
-
Inconsistent ignition performance
-
Excessive heat or unusual noise from transformer
-
Visible damage or insulation wear
🛒 Shopping Tips
-
Confirm Compatibility: Ensure your burner matches a 120V primary and 10,000V secondary transformer.
-
Check Application: Suitable for commercial and industrial gas burners.
-
Proper Installation: Use grounding and 1/4-20 HV stud correctly for safe operation.
-
Constant Duty: Designed for continuous operation without overheating.
-
Noise Compliance: Meets EMI/RFI standards for safe and quiet operation.
❓ Frequently Asked Questions (FAQ)
Q1: What type of burners can this transformer be used with?
A: Designed for commercial and industrial gas burners.
Q2: Is this a single-pole or dual-pole transformer?
A: This model is a single-pole transformer with a single porcelain design.
Q3: What is the input and output voltage?
A: Input: 120V AC, Output: 10,000V.
Q4: What type of HV terminal does it use?
A: Uses a 1/4-20 Stud for secure, reliable high-voltage connections.
Q5: Does it include a junction box?
A: Yes, it has an internal junction box for wiring protection and easier installation.
Q6: Can it replace OEM models?
A: Yes, it replaces Webster 312 6A0456, Dongan A10-LA22, Gordon Piatt 932900-1082, A10-LA2.
Q7: Is it designed for continuous operation?
A: Yes, it’s constant-duty rated and runs cooler and quieter.
Q8: Does it meet EMI/RFI standards?
A: Yes, compliant with American and European noise emission standards.
