Honeywell – 783256 ESSER- Serial net® Interface (SEI2)

Name: Honeywell – 783256 ESSER- Serial net® Interface (SEI2)
Brand: Honeywell
SKU: 783256

MPN: 783256 · Brand: Honeywell

Price on request

Discontinued by Honeywell — we can still source the original 783256 (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 Fire Detectors & Manual Call Points
Lifecycle	Discontinued
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

Can I still buy the 783256 now that it is discontinued?

Yes. Honeywell has discontinued the 783256, 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 783256 be shipped?

783256 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 783256 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 783256 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 783256, subject to availability and destination.

The Serial Essernet® Interface (SEI2) is used to connect the ESSER fire alarm control panels 800x and IQ8Control and FlexES control to external systems supporting the EDP (ESSER-data-protocol). Depending on the desired application, connection is made via TTY or RS232/485 interface. Systems with bi-directional data transmission have additional remote-control facilities. Via the essernet® module the SEI2 may be integrated as an independent unit into an essernet® network.

Honeywell 783256 — The Serial Essernet® Interface (SEI2) is used to connect the ESSER fire alarm control panels 800x and IQ8Control and FlexES control to external systems supporting the EDP (ESSER-data-protocol). 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.