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Available on request

Honeywell – 782451 UV / IR Flame Detector

Name: Honeywell – 782451 UV / IR Flame Detector
Brand: Honeywell
SKU: 782451

MPN: 782451 · Brand: Honeywell

Price on request

Discontinued by Honeywell — we can still source the original 782451 (new, used or refurbished, subject to availability). Request a quote below.

Request a Quote

12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Honeywell Building Sensors & Detectors
Lifecycle	Discontinued
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

Can I still buy the 782451 now that it is discontinued?

Yes. Honeywell has discontinued the 782451, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time.

When can 782451 be shipped?

782451 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 782451 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 782451 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 782451, subject to availability and destination.

UV / IR Flame Detector, Aluminum

Dual-Channel Ultraviolet / Infrared Flame Detector

According to DIN EN 54-10, detection of fires involving hydrocarbon-based fuels and gases up to 15 meters and hydrogen up to 11 meters

Functional Safety IEC61508, SIL3 compatible

With Continuous Built-In Test (BIT)

Heated optics

Features & Benefits:

Spectral Sensitivity: 4 IR bands between 4 µm and 5 µm

Response Time: Typically less than 5 seconds

Sensitivity Range: 5 (for heptane flame size of 0.1 m²)

Detection Range: Horizontal: 100°, Vertical: 95°

Operating Voltage: 24 VDC (18 to 32 VDC)

Power Consumption: Operating 3 W, Alarm 4.2 W (9 W with active viewing window heating)

0-20 mA Current Interface with defined signal levels for states: Fault, BIT, Operating, Malfunction, and Alarm

RS 485 Modbus Interface for commissioning and maintenance

3 potential-free relays for Alarm, Malfunction, and Auxiliary contact, maximum 2 A at 30 VDC

Operating Temperature Range: -40 °C to +75 °C

Cable Gland: 2 x M25 x 1.5 mm ISO

Protection Class: IP66

Design: Aluminum, Red

Dimensions (H/W/D): approximately 100/117/155 mm

Weight: 1.3 kg

Certifications:

Certification for explosive areas: ATEX, IECEx

Ex II 2GD

Ex db eb IIC T4 Gb

Ex tb IIIC T100 °C Db

VdS 2344:2014-07

VdS 2543:2021-03

Honeywell ESSER 782451 — SharpEye 40/40-C-LB-AC UV / IR Flame Detector. Discontinued by Honeywell — no longer in the current range. PartnerPLC sources new, surplus and discontinued Honeywell parts — request a quote for price, condition and lead time.