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Building Technology & Smart LivingElectrical WiringTimersTime Switches

Müller 21439 Count-down timer digital

Digital timer with large display showing '8:35:40', buttons for reset and start/stop, 230 V AC connection, Müller brand.
Technical Drawing of a Square Switch with Dimensions: 45 mm x 45 mm x 39.5 mm. Side and Front View.
A circuit diagram shows a circuit with a switch, a push button, and a lamp. The connection points are numbered 1 to 6.
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Datasheet (PDF)
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Fast track dispatch on Wed 28 Oct
54 Piece(s)
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Total (€ 57.99 / piece)
€ 73.99
-22 %
€ 57.99
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plus € 19.99 
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Technical specifications

  • Duration: Max. 09:59:59 hh:mm:ss
  • Contact type: 1 CO contact
  • Switching channels 1 channels
  • Repeat accuracy 100 %
  • Setting accuracy 1 s
Product type

Count-down timer

Type

digital

Used at

Indoors

Operating voltage

230 V AC

Switching current (max.)

8 A

Factory colour

Black

Red

Width

48 mm

Height

48 mm

Depth

41 mm

Dim

(W x H x D) 48 x 48 x 41 mm

Output rating

8 A/230 V/AC

Operating voltage

230 V/50 - 60 Hz

UKCA

not relevant

Documents & Downloads

Datasheet

Datasheet 129900 Müller 21439 Count-down timer digital

User & Safety Instructions

User & Safety Instructions 129900 Müller 21439 Count-down timer digital

Conformity certificate

Conformity certificate 129900 Müller 21439 Count-down timer digital

Description

Countdown timer with switch output (1 changeover contact), for printed circuit installation.

Features

  • With clamping bow in the cutout 46 x 46 mm
  • Maximum life 9 h, 59 min, 59 s
  • Repeat accuracy 100%
  • Setting accuracy 1 s
  • START / STOP input (230 V / AC)
  • Start-/Stop-Keys
  • Visual and audible signal after the set time
  • Data retention> 24 h
  • Light Adjusting and change the operating time.

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