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3G Electric
Kromschroder IFD 258.5/1Q relay - Burner Controls
KromschroderBurner Controls

Kromschroder IFD 258.5/1Q relay

The Kromschroder IFD 258.5/1Q relay is a fully electronic burner control for continuous operation per EN 746-2, supporting unlimited power for direct ignition burners on earthed or non-earthed networks. It offers…

SKU 3G-CBM-06095

Also listed as: 25851 Q · 25851-Q

Brand
Kromschroder
Item
IFD 258.5/1Q relay
Part Number
25851Q
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

Kromschroder
Manufacturer Part Number
25851Q
edition
03.12
control type
fully electronic
network type
earthed or non-earthed networks
power rating
unlimited power for direct ignition burners
operation type
continuous operation according to EN 746-2
certification fm
Factory Mutual Research Class 7610 - Combustion Protection and Flame Detection Systems (NFPA 86)
mounting options
multiple mounting possibilities via drilling or DIN rail snap-in fixing
regulation modes
modulating or stepped regulation
certification aga
Australian Gas Association N° 4230
display functions
program status and flame signal intensity indication
flame loss behavior
selectable between immediate shutdown or automatic restart
ignition transformer
incorporated (IFD 258..1)
burner types supported
atmospheric burners or forced air burners
flame signal threshold
adjustable via potentiometer
flame detection methods
UV cell or ionization probe
certification ce directive emc
2004/108/CE
certification ce directive gas
90/396/CEE with EN 298
certification machinery directive
2006/42/CE
certification ce directive low voltage
2006/95/CE

Technical Documents

(1)
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Kromschroder Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Kromschroder IFD 258.5/1Q relay is a fully electronic burner control for continuous operation per EN 746-2, supporting unlimited power for direct ignition burners on earthed or non-earthed networks. It offers modulating or stepped regulation, selectable flame-loss behavior (immediate shutdown or automatic restart), and flame detection via UV cell or ionization probe with an adjustable signal threshold. The unit incorporates an ignition transformer (IFD 258..1), mounts via drilling or DIN rail snap-in, and displays program status and flame signal intensity. Certified to FM Class 7610, AGA N° 4230, and CE directives for gas, EMC, low voltage, and machinery.

Frequently Asked Questions

What is the Kromschroder IFD 258.5/1Q relay used for?

The Kromschroder IFD 258.5/1Q is a fully electronic burner control relay for direct ignition burners with unlimited power, operating continuously per EN 746-2. It provides permanent self-checking for fail-safe flame supervision and can be set for immediate shutdown or restart after flame loss.

What are the specifications of the Kromschroder IFD 258.5/1Q relay?

The IFD 258.5/1Q is a fully electronic burner control for earthed or non-earthed networks, with unlimited power rating for direct ignition burners. It supports modulating or stepped regulation, mounts via drilling or DIN rail snap-in fixing, and displays program status and flame signal. Certifications include FM Class 7610 and AGA No. 4230.

Where to buy the Kromschroder IFD 258.5/1Q relay in Singapore?

3G Electric supplies the Kromschroder IFD 258.5/1Q relay to Singapore. We source this burner control from global channels and handle all logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this SKU.

How to install the Kromschroder IFD 258.5/1Q relay?

Mount the IFD 258.5/1Q via drilling or DIN rail snap-in fixing. Ensure the network is earthed or non-earthed as per your system. Connect the flame sensor (UV cell or ionization probe) and ignition transformer per the wiring diagram in the datasheet. Always follow EN 746-2 and local safety codes.

Used in

Common applications for Kromschroder
Process-industry thermal oxidizers — BCU 370 with VAS automatic shut-off
Industrial ovens and dryers — IFS 110 ignition safety + CG motorised metering valves
Textile-dyeing plant gas heaters — DG gas pressure switches with IC 20 actuators
Ceramic and glass kilns — BCU series on modulating high-turndown gas trains
Retrofit swaps on European-designed burner racks (Dungs → Kromschröder variants)
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Kromschroder Products

3G Electric supplies Kromschroder 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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