Radio Receivers for retrieval unit

EH 22810.

For cable-free reception of the signal from the retrieval unit.

The antenna receives the radio signal from the retrieval unit, and transmits it via a cable connection to an input for the receiver. This activates the corresponding output (the make-contact). For each receiver, a maximum of four radio channels can be received.

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b [mm]
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universal radio receiver and radio antenna
l [mm]:
70 mm
b [mm]:
23 mm
h1 [mm]:
90 mm
Radio Receivers
  • universal radio receiver and radio antenna
  • l: 70 mm
  • b: 23 mm
  • h1: 90 mm
  • d: 70 mm
  • h2: 350 mm
  • Weight: 447 g
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Radio Receivers


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FAQ - Radio Receivers
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Datasheet EH 22810. Radio Receivers – for retrieval unit
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RoHS compliant

Compliant according to Directive 2011/65/EU and Directive 2015/863


Does not contain SVHC substances

No SVHC substances with more than 0.1% w/w contained - SVHC list [REACH] as of 10.06.2022


Does not contain Proposition 65 substances

No Proposition 65 substances included


Free from Conflict Minerals

This product does not contain any substances designated as "conflict minerals" such as tantalum, tin, gold or tungsten from the Democratic Republic of Congo or adjacent countries.


How is the position of a component monitored by the retrieval unit?

The retrieval sensor contains a button that is operated by an overlying component.

Where is the retrieval sensor located?

The retrieval sensor is positioned on the outside of the body The adjustable body allows the height to be set.

Which temperature ranges are allowed?

The sensor cable is designed to withstand temperatures of up to 180°C for short periods and is thus protected against chips, for example. The button can withstand temperatures of up to 120°C and is additionally protected against chips by the support of the workpiece.

How is the retrieval unit protected against dust and dirt?

Sensor (button): IP67, radio transmitter: IP67, radio receiver: IP20

Which seating elements can be used with the retrieval unit?

Seating elements with the following EH article number can be used: Size M8: 22690.0021 / .0121 / .0221 / .0321 / .0421 and 22691.0122 / .0021 / .0222. Size M12: 22690.0001 / .0002 / .0101 / .0102 / .0201 / .0202 / .0301 / 0302 / .0401 / .0402 and 22691.0143 / .0041 / .0042 / .0243

How to position the retrieval unit in the machine room?

The retrieval unit can be screwed into an M8 or M12 thread. The Halder base plate with slot tenons of the V40 or V70 system is suitable for this purpose.

How is the electrical power supply provided?

An AA battery (3.6V) is integrated in the radio transmitter. Depending on use, this battery lasts between 300 - 1400 days. The radio receiver has a supply interface: rated operating current/voltage Ie / Ue max. 0.1A / 24VDC -15%...+10%.

How is the retrieval signal transmitted wirelessly?

The electrical signal is converted into a radio signal by means of a radio transmitter and again into an electrical signal by the antenna of the radio receiver. Thus, the signal can be transmitted without having to lead a cable out of the engine room.

What kind of signals are transferred at the radio receiver?

Input: radio signal via antenna (frequency 868.3MHz). Output: electrical signal: 3A / 250VAC; 3A / 24VDC

What is the range of the radio signal?

The signal has a range of approx. 40m in closed rooms. In engine rooms, the range also depends on the type of cladding.