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  • New item   -25.5€Potentiometer for EC fan with OFF position | Sentera Controls | MTPNG010-AT
    New item   -25.5€Potentiometer for EC fan with OFF position | Sentera Controls | MTPNG010-AT 1
    New item   -25.5€Potentiometer for EC fan with OFF position | Sentera Controls | MTPNG010-AT 2
    New item   -25.5€Potentiometer for EC fan with OFF position | Sentera Controls | MTPNG010-AT 3
    New item   -25.5€Potentiometer for EC fan with OFF position | Sentera Controls | MTPNG010-AT 4

    Potentiometer for EC fan with OFF position | Sentera Controls | MTPNG010-AT

    Code: MTPNG010-AT
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  • Product description

    Potentiometer for EC fan with OFF position | Sentera Controls | MTPNG010-AT

    MTPNG010-AT – Sentera Controls 24 V potentiometer with OFF position, designed for direct control of EC fans and actuators. Supplied with 15–24 VAC ±10 % or 18–34 VDC, it generates a 0-10 VDC signal with the knob, and Vmin and Vmax are set with two internal trimmers.

    Key idea:
    One knob both switches off and controls: in the far-left position the signal is cut off; turned clockwise, the output rises to the set minimum and then increases steplessly up to the maximum.
    Power supply
    15–24 VAC ±10 % / 18–34 VDC
    Output
    0, Vmin–Vmax (0-10 VDC)
    OFF position
    Yra
    Protection
    IP44 / IP54

    Operating principle

    The potentiometer is connected to a 24 VAC or 24 VDC supply (often from the same controller or transformer that supplies the automation), and the Vout+ / Vout- output – to the control input of the EC motor or actuator.

    This is not a power controller – it only generates a control signal (consumption ≤ 20 mA, load ≥ 2 kΩ).

    Vmin is set within 0–7 VDC and Vmax within 3–10 VDC with internal trimmers (1 – Vmin, 2 – Vmax). In the OFF position the output is 0 and the fan stops.

    Engineer's note: the manufacturer warns never to connect the input (supply) GND to the output GND – especially important when supplying 24 VAC, as a common wire can damage the potentiometer or the controlled device.

    Benefits MTPNG010-AT?
    The universal 24 VAC / DC supply allows an existing automation transformer to be used, and the OFF position replaces a separate switch.

    Technical specifications

    Product type Potentiometer for an EC fan with OFF position
    Manufacturer / code Sentera Controls / MTPNG010-AT
    Supply voltage 15–24 VAC ±10 %, 50–60 Hz / 18–34 VDC
    Current consumption ≤ 20 mA (24 VAC and 24 VDC)
    Output 0, Vmin–Vmax, 0-10 VDC
    Vmin 0–7 VDC (internal trimmer)
    Vmax 3–10 VDC (internal trimmer)
    Load ≥ 2 kΩ
    OFF position Yra
    Terminals Supply (GND / +), output Vout- / Vout+; max. 2.5 mm²
    Installation Flush-mounted or surface-mounted
    Protection class IP44 / IP54 (EN 60529)
    Operating environment -5…+65 °C, 5–85 % rH non-condensing
    Weight 0.15 kg (net)
    Compliance LVD 2014/35/EU, EMC 2014/30/EU, WEEE 2012/19/EU, RoHS (EU) 2015/863

    Manufacturer documentation

    ✔ Recommended by Elektrotechnikos sprendimai

    Original manufacturer documentation – technical data, wiring diagrams and installation instructions.

    Main functions

    • OFF position – the fan is switched off with the same knob.
    • Vmin / Vmax trimmers – 0–7 VDC and 3–10 VDC limits.
    • 24 VAC or 24 VDC supply – an existing automation supply can be used.
    • Wide operating temperature range – -5…+65 °C.
    • Universal enclosure – flush-mounted IP44 or surface-mounted IP54.

    Where is it used?

    • EC fans and heat recovery units with 24 V automation
    • Damper and valve actuators with 0-10 V control
    • AC fans with Sentera EVS / MVS controllers
    • FI-E frequency inverters
    • Offices, warehouses, workshops

    On-demand operation

    For the automation installer.
    Supplied from the same 24 V source as the actuators.
    For the ventilation installer.
    OFF position and limits – without additional switches.
    For the user.
    A simple knob with a clear OFF position.

    Application guide: how it is used in practice

    MTPNG010-AT can be adapted to different sites – only what is connected changes:

    Site What is connected Result Installer's note
    System with a 24 VAC transformer Supply ← 24 VAC; Vout → EC fan The fan is controlled and switched off with the knob Do not connect input and output GND together
    AC fan with a Sentera EVS / MVS controller 0-10 V → controller analogue input Controller in the control panel, control in the room Connect the signal GND to the controller GND
    FI-E series frequency inverter 0-10 V → inverter analogue input Manual three-phase fan speed setting Check the inverter input setting (0-10 V)
    Damper with a proportional actuator 0-10 V → actuator control input Manual damper position setting The actuator must accept a 0-10 V signal

    How to select the controller current

    Rated current of the motor(s) Recommended model
    OFF position needed, supply 24 VAC / DC MTPNG010-AT (OFF, 0-10 VDC) ← this model
    Continuous min. signal needed (no OFF), 3–15 VDC MTPND010-BT (no OFF, 0-10 V)
    Auxiliary contact needed (e.g. to start a frequency inverter) MTPND010-DC (no OFF, dry contact)
    Supply from the EC fan needed, 10 kΩ, with OFF MTPNX10K-NA (10 kΩ, OFF, dry contact)
    Rule: Choose MTPNG010-AT when an OFF position is needed and a 24 VAC / 24 VDC supply is available. The impedance of the controlled input must be ≥ 2 kΩ; when several inputs are connected in parallel, the total impedance must also be ≥ 2 kΩ.
    When to choose another solution: with 0-20 mA / PWM output and trimmers – SDP-E0US series; with Modbus RTU – SDP-M010 or SPV-8 series; for 230 VAC supply – MTVN1 series; for AC fans – electronic EVS or MVS controllers controlled by this potentiometer.

    Pros

    • OFF position
    • 24 VAC or 24 VDC supply
    • Vmin / Vmax trimmers
    • Operating temperature -5…+65 °C
    • IP44 / IP54

    Cons / limitations

    • 0-10 VDC output only – no 0-20 mA, PWM or Modbus
    • Trimmers under the cover
    • Input and output GND must not be connected together – take care when wiring
    • A load of ≥ 2 kΩ limits the number of inputs connected in parallel

    Safety and installation notes

    • Installation and connection must be carried out by a qualified electrician with the supply to all connected devices disconnected.
    • Never connect the input GND wire to the output GND wire.
    • Supply – 15–24 VAC ±10 % or 18–34 VDC; connecting mains voltage is prohibited.
    • Output load – not less than 2 kΩ.
    • Use at -5…+65 °C, 5–85 % rH non-condensing.

    Quick selection guide

    24 VAC / DC
    0-10 VDC
    OFF
    IP44 / IP54
    For EC fans
    Suitable when you need:
    • control and switch off an EC fan with a single knob;
    • use an existing 24 V automation supply;
    • set the speed limits with trimmers.
    Check before use:
    • whether a 24 VAC / DC supply is available;
    • the resistance of the controlled input (≥ 2 kΩ);
    • that the supply and signal GND are separated.
    Important reminder: MTPNG010-AT is a control signal source, not a power controller – the motor current does not flow through it.

    FAQ

    Can it be powered from 24 VAC?
    Yes, 15–24 VAC ±10 % or 18–34 VDC.
    What does the OFF position do?
    Interrupts the control signal – the fan stops.
    Why must GND not be connected?
    This is stated by the manufacturer – a common input and output GND can damage the equipment, especially with AC supply.
    What are the Vmin / Vmax limits?
    Vmin 0–7 VDC, Vmax 3–10 VDC.

    Potentiometer for EC fan with OFF position | Sentera Controls | MTPNG010-AT

    Sentera MTPNG010-AT – potentiometer for EC fans with OFF position: 24 VAC / DC supply, 0-10 VDC output, Vmin 0–7 V, Vmax 3–10 V, IP44 / IP54.

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

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