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SDM-10 - School Bell Controller 230V AC

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RRP: $80.94
$67.44 (inc VAT) $67.45 $56.20 (exc VAT) (You save $13.51)
0.20 KGS
5 - 10 days lead time

 Product Description

The SDM-10 school bell controller is designed for acoustic signalling control at schools using the school bells (e.g. DNT-212, DNS-212, DNT- 212M, DNS-212M).

The system control runs in an automatic mode according to the preset program. Program setting is operated by means of selecting the lesson duration, breaks duration and defining the beginning hour.

The system is ready to implement some specials functions (alert bells, short lessons) by means of programmable control inputs.

The controller may be manufactured as a kit for assembling, EW-01 Electronic School Bell. In case of power supply malfunction the unit battery sustain enables all settings saving and maintaining.


- Power supply indicator
- Mounted on TH 35 rail
- External NTC probe
- Two relay outputs with max Load capacity 16 A
- Relay output
- Single-module casing
- Maximum load 16 A
- LCD display LED illumination
- Temperature control in a range of +5 °C ÷ +40 °C
- Load control in dependence of ambient temperature
- Relay state indicator

Technical details

Number of memory locations 400
Mounting method DIN Rail Mounted
Number of channels 1
Width in number of modular spacings 1
Power supply terminals A1, A2
Executed programs Year around bell controller
Rated temperature - 20/60 °C
Rated frequency 50/60 Hz
Degree of protection (IP) IP20
Operating mode manual, automatic
Accuracy of timing t Maximum ±1 s / 24 h at temperature 25 °C
Parameters of relay contacts 2 NO/NC-16 A/250 V AC1 4000 VA
Summer / winter time change automatic, manual
Dimensions 90 x 35 x 66 mm



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