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Available on request

Honeywell – SD-851E S300 Series Conventional Smoke Detector Optical

MPN: SD-851E · Brand: Honeywell

Price on request

Discontinued by Honeywell — we can still source the original SD-851E (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 SD-851E now that it is discontinued?

Yes. Honeywell has discontinued the SD-851E, 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 SD-851E be shipped?

SD-851E 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 SD-851E 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 SD-851E 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 SD-851E, subject to availability and destination.

The Conventional Notifier SD-851E A smoke detector, consists of an optical chamber sensitive to light scattering. Programmable sensitive through external device. Ready for testing by remote control laser. Alarm LED. Output for alarm repeater. Possibility for addressing through additional module.

Features & Benefits:

Automatic drift compenstation

Programmable Sensitivity

Advanced maintenance features via remote hand-held test unit

Low profile design

Low current draw

Bi-colour LED detector status indicator

Addressable alarm location feature

Certifications:

2831-CPR-F4261 for EN54-7

G202013

Honeywell NOTIFIER, System Sensor SD-851E — The Conventional Notifier SD-851E A smoke detector, consists of an optical chamber sensitive to light scattering. 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.