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The STERKRAK is designing and production company. We are working in branches: building automatics, industrial automatics, electronics, ventilation and air conditioning. Our modules are applied in central heating instalations, municipal water, boiler automatics, industrial Building Management Systems and others.
Please visit our NEW PRICELIST
THREE POINT CONTROL MODULE:
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Relay modules which convert analog input signals 0 - 10V to three-points output signal. UST21 is functional equivalent of the MCD3 module. |
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RELAY MODULES:
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Devices working as coupling elements between electronic control circuits (for example PLC controllers) with executive devices. USS111 is functional equivalent of the MCE3 module, |
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EXTENSION MODULES 1AO / 2DO:
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Two relay modules converting analog input signal 0-10V to appropriate discrete output states. USS121 is functional equivalent of the MK1+P module. |
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EXTENSION MODULES 1AO / 3DO:
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Three relay modules converting analog input signal 0-10V to appropriate discrete output states. USS123 is functional equivalent of the MCAS3-3 module. |
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EXTENSION MODULES 1AO / 6DO:
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Six relay modules converting analog input signal 0-10V to appropriate discrete output states. Modules with suffix: NZ - have relays with SPST-NC contacts, OC - galvanic separated, transistor outputs. USS136 is functional equivalent of the MCAS6-6 module. |
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EXTENSION MODULES 2AO / 6DO:
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Six relay modules converting two analog signals 0-10V to any digital combination of outputs. Devices are individually programmed on request of the customer considering input voltages, time dependencies, hysteresis, switching thresholds and output logical states. Modules with suffix: NZ - have relays with SPST-NC contacts, OC - galvanic separated, transistor outputs. |
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| BINARY TO ANALOG CONVERTERS 6DI / 1AI:
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Devices converting six digital signals to one analog output 0-10V. URCA6P is functional equivalent of the DA6 and MDAC6 modules. URCA6I galvanic separated - functional equivalent of the MDAC6OP. |
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| ANALOG TO DIGITAL CONVERTERS 1AO / 6DO:
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Relay modules containing 6-bit analog to digital converters. Modules with suffix: NZ - have relays with SPST-NC contacts,
OC - galvanic separated, transistor outputs. |
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| ANALOG TO DIGITAL CONVERTERS 2 x 1AO / 3DO:
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Relay modules containing two independent 3-bit analog to digital converters. Modules with suffix: NZ - have relays with SPST-NC contacts,
OC - galvanic separated, transistor outputs. |
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TIME DELAY MODULES:
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Devices used to delay of input signals. UWIS - galvanic separated UWI. |
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FAN CONTROL MODULES:
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Modules controlling operation of the fan. Powered from 230V AC lines and serve for periodical ventilation of rooms, as well as for short ventilation, for example after turning on the lighting. |
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