01 Electronic Modules

01 Electronic Modules

Bolec makes a broad range of flexible and useful electronic modules that help to protect your capital equipment in the harshest environments. Our modules include speed switches, signal conversion modules,timers, alarms, watchdogs and others. Easy to install and calibrate in the field.

Photo Model Number Description Spec sheet Hints

EA101 3 Gauge Alarm

The EA101 three gauge adjustable alarm is designed to give an alarm output when the reading on any one of three gauges passes a predetermined Read More…

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SS501 Dual Speed/Rev Switch 12/24VDC Multi Range with Display

The Microprocessor controlled electronic switch module can be programmed for a number of different functions.  Typically used to monitor road speed, engine RPM, or the Read More…

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FL301 1 Gauge Alarm

The FL301 – Multifunction Alarm is designed to give an alarm output when the reading on a particular gauge passes a predetermined level. The unit Read More…

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DB1-128 Signal Amplifier/Divider 12/24VDC

The DB1-128 is a general purpose module designed to work with most standard automotive or diesel speedo’s and  tachometers as used in marine, automotive, and Read More…

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ERB205 Electronic Ratio Box 12/24VDC

The Electronic Ratio Box is designed to give a permanent fixed ratio signal output from a continuously varying input signal. This could be any variable Read More…

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WL601 Low Water Level Alarm kit 7sec delay 12/24VDC

The WL601 water level alarm is designed to give an alarm output when the level in an automotive radiator falls below a predetermined level. The Read More…

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SS301 Speed/Rev Switch 12/24VDC Multi Range

The SS301 has been designed to work with all standard signal inputs and to give a relay contact (ground signal) out once a predetermined frequency Read More…

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TM301 Timer m/function 0-60sec/min (6hr to order) 12/24VDC

The TM301 timer is a multi function timing module designed to give normally open and normally closed volt-free contact output in 12 or 24 volt Read More…

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WL601PS1

Low water probe 1/4NPT. Overall length 2.5″ (63mm). Probe depth approx 1″ (25mm). Screw in with brass solder bush

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WL601P

Low water probe standard for WL601. Overall length 55mm. Probe depth approx. 35mm. Rubber 9.5 x 16mm.

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