Jola Spezialschalter K. Mattil & Co. KG
Klostergartenstraße 11-20
D-67466 Lambrecht
Phone: +49 63 25 / 188-01
 
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Floating switch

SSR/S1/K/SIL

  
For light current applications

Application in liquids with a specific density >=0.7 g/cm³
Brochure Mercury-free floating switches and immersion probes [PDF]
Switching voltage AC min. 1 V
Switching voltage AC max. 42 V
Switching voltage DC min.  1 V
Switching voltage DC max.  42 V
Switching current AC min. 0.1 mA
Switching current AC max.  100 mA
Switching current AC max.
(inductive loads)		 50 mA
Switching current DC min.  0.1 mA
Switching current DC max.  10 mA
Switching capacity AC max.  4 VA
Contact 
ball-operated microswitch,
potential-free changeover contact
Float material stainless steel 316 Ti
Seal material PTFE
Appliance protection class 
in installed condition inside the tank: IP 68, 
on the stuffing gland screw fitting outside 
the tank: IP 54
Float protection class IP 68
Float form ball float
Float diameter 145 mm
Mounting orientation horizontal
Mounting from the side
Connecting cable 
red-brown silicone cable, 4G0,75

Connecting cable length

 
2 metres from screw-in nipple, other cable lengths
on request. When ordering, please always state
the desired cable length and cable type.
Screw-in nipple material stainless steel 316 Ti
Screw-in nipple dimension G½
Temperature
application range 
0° C to + 85° C
Max. immersion depth
of the float		 
max. 30 metres head of water at + 20° C
 
The connecting cable is routed through a protective bellows made of stainless steel 316 Ti 
to which a G½ screw-in nipple is fastened.

Recommended application via Jola KR .. contact protection relay
(see product group "Protection relays and alarm relays", click on heading "Others")

Options for safety applications:

- diodes (= variant 1) or resistors (= variant 2) on request 

Optional extras: stainless steel stirrup to limit the movement of the float
 
This floating switch is designed for mounting from the side.

To ensure a correct switching the G½ screw-in nipple must be screwed in a horizontal
G½ sleeve.

This unit is not suitable for use in turbulent liquids (e.g. in stirrer tanks).

 
Measure drawing
Function sketch
Basic circuit
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