OCEAN TECHNOLOGIES Electronic Float Switch / 20 A

SVB item number: 52250 Manufacturer no.: 8500000107
Automatic float switch to control your bilge pumps. Switches the pump on as soon as the liquid level reaches the upper sensor surface. The pump is switched off again with a time delay (approx. 5 seconds) as soon as the liquid level falls below the lower sensor surface. Simple installation thanks to compact design. Switching capacity: 12/24 volts, up to 20 amps. Product details
only  €27.95
90 | in stock
pcs.
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Product data

  • SVB item number 52250
  • EAN 8051588002490
  • Manufacturer no. 8500000107
  • Description Electronic float switch / 20 A
  • Construction type Electronic
  • Operating voltage 12 V, 24 V
  • Switch-on delay Yes
  • Protective housing No
  • With switch No
  • Max. load capacity 20 A
  • Height 55 mm
  • Width 22 mm
  • Length 98 mm
  • Hole Centers 78 mm
  • Cable length 600 mm
  • Colour Black
  • Hole diameter 6 mm
  • Material Plastic
  • Accessories for Pumps

Product details

This completely waterproof and fully automatic bilge switch works with no moving parts or mechanical switch contacts. It is installed in the positive connection line between the bilge pump and the battery. Built-in electronics measure conductivity between three corrosion-resistant stainless steel sensors and switch the pump on as soon as the liquid level reaches the upper sensor surface. The pump is switched off again with a time delay (after approx. 5 seconds) as soon as the liquid level falls below the lower sensor surface. The delay prevents false starts of the pump and the backflow of water that may still be in the hose to the outboard side. Suitable for all 12 or 24 V submersible pumps or bilge pumps with a maximum current consumption of 20 A (12 V) or 10 A (24 V). Supplied without fixing material.

Note:
The float switch should be installed so that the water level at the pump and switch is at the same level. The base of the switch must be higher, but never lower, than the base of the pump.

Technical data
Power supply 12 / 24 V DC
Load capacity Max. 20 A @ 12 V
Max. 10 A @ 24 V
Quiescent current < 10 mA
Dimensions (h x w x d) 98 x 24 x 70 mm
Width of mounting holes Approx. 7 mm
Spacing of mounting holes Approx. 78 mm
Connecting cables 2 x 1.5 mm², length approx. 600 mm
Electrical connection Red to battery POSITVE
Brown to pump positive

Documents

en-flag Manual
PDF (174,59 KB)
Item 52250

Product safety

What other SVB customers have to say

100% real reviews

7 customer reviews

3.9 (out of 7 ratings)
4 Stars
(0)
2 Stars
(0)
Jose M.
by Jose M. Flag of Portugal 8/9/2025 Verified purchase in use on a Camper & Nicholsons Yachts Ltd - Nicholson 39
plain simple use
very easy to change
Christian H.
by Christian H. Flag of Germany 12/3/2024 Verified purchase
My recommendation
Hugh G.
by Hugh G. Flag of Spain 5/1/2023 Verified purchase
Sump float.switch
It sits in my waste water sump and turns the pump on when the level rises. Works perfectly but doesn't like oil in the water.
Roland W.
by Roland W. Flag of Germany 2/12/2023 Verified purchase
Level switch septic tank
I use the level switch in a clear water pit. Works flawlessly. I particularly like the time offset. The pump continues to run for a few seconds.
Johannes S.
by Johannes S. Flag of Germany 4/10/2026 Verified purchase
Spring clip missing for function test
The product itself works perfectly, and unlike a mechanical float switch, the pump cannot be triggered by leaking oil, diesel, or gasoline in the bilge.

However, what was missing was the spring mentioned in the manufacturer's instructions for regular testing after installation. Without this spring, testing deep in the bilge is difficult. The manufacturer's suggestion to pour water into the bilge until the switch activates is hardly practical.

Despite my complaint, I have unfortunately received this spring neither from the manufacturer nor from SVB support.

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OCEAN TECHNOLOGIES Electronic Float Switch / 20 A
View Ratings (7) Questions (1)