Cynergy3 Vertical Float Switch Polypropylene NO/NC Float

  • RS Stock No. 756-4277
  • Mfr. Part No. RSF58Y100J1/8
  • Brand Cynergy3
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): GB
Product Details

Cynergy3 RSF50 Series Float Switches

Cynergy3 RSF50 float switches are compact devices suitable for vending machines printing system and chemical dosing equipment, for example. RSF50 float switches are vertically mounted and feature a single switch.
There is a range of different material options available within the RSF50 series so you will be sure to find a suitable float switch for more commonly used liquids.
The direction of the switch can be reversed by firstly removing the float, inverting the switch and re-fitting it to the stem.

Within the series there are 5 ranges:
RSF53 (black) - Nylon
RSF54 (opaque) - Polypropylene (WRAS approved)
RSF56 (grey) - Polyphenylene Sulphide (PPS)
RSF57 (green) - Polyvinylidene Fluoride (PVDF)
RSF58 (white) - Polypropylene (UL approved)
Note - the different ranges feature other differences. Please refer to the Datasheet for more information on technical specifications.

What contact types are there?
The RSF50 float switches can be configured for N/O (Normally Open) or N/C (Normally Closed) operation.

What mounting thread does it have?
RSF50 float switches have either M12 or 1/8” NPT mounting thread. This is depicted by the last part of the part number. If it ends in “B” or “C”, it is an M12. If it ends in “1/8” it is 1/8” NPT.


Part numbers ending in '1/8' have a 1/8"NPT mounting thread
Part numbers ending in 'C' have an M12 mounting thread

Supplied with

epoxy sealed leadouts


  • The cable entry point must NOT under any circumstances be submerged.
    On the Horizontal switches they must be fitted through the wall of a tank so that the cable is on the outside.
    On the Vertical type the mounting thread and cable entry must be above the highest level of the liquid.
Attribute Value
Device Type Float
Mounting Type Vertical
Switch Output NO/NC
Body Material Polypropylene
Minimum Operating Temperature -20°C
Maximum Operating Temperature +100°C
Gasket Material Nitrile
Series RSF50
40 In stock - FREE next working day delivery available
Price Each
£ 14.56
(exc. VAT)
£ 17.47
(inc. VAT)
Per unit
1 - 4
5 - 9
10 +
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