Chain drives MK 400 N AC

MK 400N AC

230 V motor unit for bottom-hung and top-hung windows for daily ventilation


• with clamping rails on both sides, for universal installation
• integrated AC power supply unit
• automatic switch off when end position is reached („Open“ and „Closed“) using limit switch
• opening mechanics with stainless steel chain
• noncorrosive external elements
• power supply cable with screwed connector

MK/420-400N/EV1/AC (67002420)

different variants:

600mm Hub (67002600), MK/420-400N/W/AC (67002425), 600mm Hub (67002605)



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technical voltage

230 V AC, 50-60 Hz

technical draw

approx. 0.7 amp


integrated limit switch open and closed (non-adjustable)

pressing force

max. 400 N

tractive force

max. 400 N

nominal clamping force

stroke width

420, 600 mm

min. casement height at stroke length

bottom-hung- / top-hung- / side-hung window
MK/420: 1100 / 1100 / 600 (mm)
MK/380: 1100 / 1100 / 780 (mm)


MK/420: 517 x 50 x 90 mm
MK/600: 612 x 50 x 90 mm
incl. connector plug

speed of operation

20 mm/sec. at rating load and nominal load

power supply cable

4 x 1 mm²; length approx. 1 m; black; with screwed connector

start-up time

2.5 min. (ED/ON), 7.5 min. (AD/OFF)

service life

range of temperature

-5 °C to +50 °C

IP protection class

IP 42 / I / E accoding to DIN EN 60 529




EV1/silver, anodized

special colours

RAL colours on request

included in delivery

with eyebolt not incl. brackets (please order separately)

type of construction tested

acoustical measurement

Hinweis zum Einbau

Please select brackets consistent with the mounting situation and order separately.

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