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Honeywell MDH400

Magnetic Door Holder

MPN: MDH400
Category: Honeywell Access Control

Price and lead time confirmed within 1 business day

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Honeywell MDH400?

Magnetic door holders are used to keep fire/smoke doors open and release them in the event of a fire. They consist of two parts, the electromagnet and the counter-plate. The electromagnet is wall mounted and the counter plate fitted to the door. They are robust, attractive and compact, yet maintain a large contact area. Notifier also supply a momentary release switch on a standard gang plate to allow release of fire door from an easily accessible location. Features & Benefits:

Floor/wall/ceiling mount

Heavy duty metal anvils

Easy to use manual release switch

Low current consumption

Holding forces from 400N to 1000N

Spark suppression and reverse polarity diodes fitted

Range of brackets and stand-offs

Honeywell MDH400 — Magnetic door holders are used to keep fire/smoke doors open and release them in the event of a fire. PartnerPLC sources new, surplus and discontinued Honeywell parts — request a quote for price, condition and lead time.

Specifications

Product

Lifecycle

Active

Ordering codes

Part numbers on this product page

MDH400, MDH400/15, MDH400/30

MDH400: frequently asked questions

When can MDH400 be shipped?

MDH400 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 MDH400 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 MDH400 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 MDH400, subject to availability and destination.