Manufacturer: Wempe

Wempe digital master clock Eco

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SKU: 417.20020

Our Master clock 20020 is the most favourably-priced WEMPE Master clock. It distinguishes itself by its excellent cost-performance ratio.
Despite its simple concept, the important marks of quality of this Master clock are of course on the well known high level. A large and clear display together with a plain and complete foil keyboard guarantee an excellent operation.
A solid plastic case with Acryl glass-cover protects the electronic system and keyboard against dust, water and mechanical influences. A valuable exterior has been achieved by using an aluminium front panel. The high quality level is realized even in details such as the connectors. All connectors will be delivered in a sturdy industrial version andguarantee secure contact.
Technical description
The purpose of the Master clock is to provide a uniform indication of time and date. The Master clock generates impulses controlling the analogue secondary clocks.
Technical data
Housing:Plastic housing RAL 7035, protection type IP 54, wall-mounting model with protection cover made of acryl glass, anodised aluminium front plate.

Dimensions: Width 240 mm, height 185 mm, depth 115 mm
Weight: 1.5 kg
Connections: All connections are in the lower part of the Master clock. Cable entry by V-groove screw fittings, clamp board 1 for 230 V AC current supply voltage, clamp board 2 for low voltage entries and exits.

Technology: processor controlled C-MOS
Display: Alphanumeric display, numbers of 6 mm height and with 14 digits. The indication of date and time alternates every 6 seconds. All available functions can be programmed through the system setting menu.
Oscillator: Quartz controlled, average daily rate 0,05 seconds/ 24 hours.
Current supply: 230 V AC 50 Hz (optional 24V DC)
Power reserve: In the event of a power failure the digital display of time and date turn off and the secondary clocks stop running. An internal lithium battery stores the data. When the power failure is over the secondary clocks are adjusted to the current time. In order to Maintain all functions after a power failure an additional 6V 1Ah battery can be connected providing approx. 2 hours of power reserve.
Secondary clocks: All common analogue secondary clock systems for 12V or 24V can be connected. 2 analogue secondary clock lines are available which alternatively can be set to minute or second impulses. Up to 20 secondary clocks can be operated by one line.
Digital sec. clocks: are controlled by an internal BCD-code. 5 digital secondary clocks can maximally be connected.
Time adjustment: Direct adjustment in preset steps from 1-99 minutes by pressing the function keys. The backward adjustment of the analogue secondary clocks is carried out by a fast-forward setting.
Security: All system settings are only possible with an admission code

Deliverable versions: Model 20020/W Master clock Basic unit with wall mounting case
Dimensions 240 (w) x 185 (h) x 115mm (d)
Weight 1,5kg