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Control Cabinet TK 250-500-750 | Elektronik

For sound emitters and public address (PA) systems

The amplifier unit has an integrated thermally compensated battery charger. Simple operation with a 128x64 pixels graphic display and logging of all activities. Each sound channel is programmable for an optional output up to 375 W, with individual frequency adjustment for the optimal alarm effect in conjunction with Delta sound emitters.

CE-labelled and complies with Directives 72/23/EEC and 89/336/EEC as well as the norms EN 60065, EN 61000-6-2 and EN 61000-6-3.

Control Cabinet TK 250-500-750

Technical Data, Control Cabinet

Designation - TK 250-500-750

Elektrical Characteristics


Supply voltages for the battery charger85-264 V 50/60 Hz
Power mains, max105 VA
Temperature comp charging-25oC... +50oC
Battery voltage24 V
Charging current, max2,5 A
Standby current from batteries20 mA
Battery type2 pcs NP 24-12I – 12 V, 24 Ah
Supply to ext equipment24 V DC, 2 W switched off after 3 days when no mains
Indicator for battery changeEvery sixth year



LED indicators2 pcs
Graphic display128 x 64 pixels
Operation4 push buttons
Log function500 events
Digital inputs w internal 24 V DC6 pcs
Digital outputs, open collector15 pcs
Serial interfaceCAN, RS 232, RS 485

Size and weight


Dimension (WxHxD)500 x 500 x 210 mm
Weight without batteries20 kg
Weight with batteries / 24 Ah38 kg



Output power, max2 x 375 W
Amplifier working principleClass D
Alarm characters6 pcs
Bandwidth, alarm0-3 kHz, +/- 3 dB
Digital outputs, open collector15 pcs
Duration time25%

Environmental Conditions


ColourRAL 7035, light grey
Operating temperature-25...+50°C
Ingress protectionIP 65
Cable glands2 pcs M20 for cable diam 8-13 mm, 2 pcs M16 for cable diam 5-9 mm

Control Cabinet TK 250-500-750