25SU3-5166 Fireye 25SU3 Series Flame Amplifier Relay Module

Manufacturer: Fireye
Product No.: 25SU3-5166
Condition： In stock
Product Type: Relay Module
Product Origin: USA
Payment: T/T, Western Union
Weight: 2700g
Shipping port: Xiamen
Warranty: 12 months

Quantity

Selected quantity: 1

Estimate delivery times: 12-26 days (International), 3-6 days (United States).

Return within 30 days of purchase. Duties & taxes are non-refundable.

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25SU3-5166 Fireye Flame Amplifier

25SU3-5166 is a high-response flame amplifier designed for industrial burner management systems.

The module processes flame scanner signals with stable relay output performance. It supports reliable flame supervision in combustion safety applications.

This amplifier operates on both 120 VAC and 230 VAC power supplies. Selectable FFRT timing improves flexibility during burner commissioning.

The design supports harsh industrial operating environments and continuous combustion monitoring.

Core Functional Highlights

Dual-voltage operation for global industrial systems
Selectable flame failure response timing
DPDT flame relay output structure
Compatible with multiple Fireye flame scanners
Fast relay response during burner startup
Stable operation under fluctuating industrial loads
Supports remote flame monitoring configuration

Technical Operating Profile

Brand: Fireye
Model: 25SU3-5166
Product Type: Flame Amplifier
Supply Voltage: 120/230 VAC
Voltage Tolerance: +10% / -15%
Frequency: 50/60 Hz
Selectable FFRT: 1, 2, or 3 seconds
Power Consumption: 13 VA typical
Power Factor: 70%
Peak Inrush Current: 2.5 A
Dual Scanner Consumption: 20 VA
Relay Output Type: DPDT flame relay
Relay Pilot Duty: 125 VA
Operating Temperature: 0°C to 60°C
Storage Temperature: -40°C to 85°C
Humidity Limit: 85% RH noncondensing
Protection Rating: IP00
Optional Dust Cover: Part No. 60-2223
Shutter Timing: 0.5 sec closed / 4.5 sec open
Shipping Weight: 2.7 Kg

Scanner Compatibility Matrix

45RM1
45RM2
45RM4
45FS1
45UVFS1
45UV5-1101
45UV5-1010
45UV5-1000

Industrial Application Focus

Boiler combustion management systems
Industrial furnace burner control
Thermal oxidizer flame supervision
Petrochemical burner safety systems
Power generation combustion equipment
Process heating systems
Industrial incinerator flame monitoring
Gas and oil burner assemblies

Recommended Equipment Integration

Burner management control cabinets
Industrial flame safeguard systems
Combustion sequencing controllers
PLC-based burner automation systems
Multi-burner industrial furnaces
Fuel train safety systems

Diagnostic Capability

Detects unstable flame conditions rapidly
Improves burner trip response accuracy
Supports scanner signal verification
Helps reduce nuisance shutdown events
Identifies intermittent combustion faults
Supports preventive combustion maintenance
Enhances burner startup diagnostics

Global PLC Spare HUB's Insight

25SU3-5166 remains widely selected in combustion automation projects requiring dependable flame signal amplification.

The selectable FFRT structure allows engineers to optimize shutdown timing based on burner characteristics.

Its dual-voltage architecture simplifies integration into international industrial facilities.

The module performs effectively in systems requiring stable relay isolation and fast flame verification.

This amplifier suits applications where combustion safety integrity directly impacts production continuity.

Logistics and Support

Warranty: 12 Months
Dispatch Time: 24-48 Hours
Courier Services: FedEx, UPS, DHL
Packaging: Industrial anti-shock packaging
Global Delivery: Available for international projects

Engineering FAQ

How should FFRT selection be configured?
Lower FFRT settings improve shutdown speed. Higher settings reduce nuisance trips in unstable flame conditions.
What causes intermittent flame relay activation?
Scanner contamination, unstable ignition, or poor grounding commonly create inconsistent flame signals.
Can this amplifier support dual scanner systems?
Yes. The module supports dual scanner configurations with adjusted power consumption requirements.
What installation practice improves long-term reliability?
Install the module inside a protected electrical cabinet with controlled ventilation and stable grounding.
How should engineers select compatible scanners?
Match scanner sensitivity, burner fuel type, and combustion environment before final selection.

12-Month Comprehensive Warranty

Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.

Coverage: Functional defects and hardware failures under normal operating conditions.
Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.

Returns & Exchange Policy

We offer a 30-day return policy to ensure you receive the exact part your system requires.

Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.

Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.