Product category
Power generation, machinery, tools and workshop equipment selected for duty cycle, serviceability and total cost of ownership.
Speed Switches & EncodersReturn-belt mounted heavy-duty belt speed monitor. Usually used with open belt conveyors. Tough, robust and easily installed, the Wheel Encoder units are designed for long and durable service in the harshest of…
Level IndicatorsThe Roto-Safe rotary paddle switch is designed to detect high and low levels of bulk granular solids in bins, tanks, silos, and as blockage detectors in spouts where failsafe detection is required,…
Level IndicatorsThe Auto-Set Remote series RF capacitance point level monitors are designed for high temperature (250°C) or vibration applications to detect high, intermediate, or low levels of liquids, powders and free flowing granular…
Level IndicatorsThe Auto-Set flush probe is a low profile RF capacitance plug switch level monitor designed for tight fitting applications to detect levels of liquids, powders and free flowing granular solids in conveyors,…
Hazard Monitor AccessoriesProvides the ability to connect 4 current loop inputs (4-20 mA) and 2 voltage inputs to the Watchdog control unit. Between 1 and 6 sensors can be installed with power and ground…
Speed Switches & EncodersThe 4B heavy duty stainless steel Rotech rotary shaft encoder is used primarily for protecting equipment and personnel from dangerous underspeed/belt slip conditions in extreme environments. Other applications include accurate speed control,…
Speed Switches AccessoriesThe SpeedMaster™ with Pulse Pilot is the only device that accurately tests the calibration of a speed switch, and allows testing of the 10% alarm and 20% shutdown features of the sensor…
Level IndicatorsThe RLI “SHAKER” rotary paddle switch is used to detect high and low levels of bulk granular solids in bins, tanks and silos. It can also be used to detect plug conditions…
Hazard Monitor AccessoriesThis product is obsolete. Please contact 4B for support / spares.The R500 is a microprocessor-controlled unit, which accepts signals from the T500 Elite Hotbus™ monitor, and is able to cause alarm or…
Speed Switches AccessoriesThe Speed Relay is used to monitor the speed of a rotating shaft and detect if it rises or falls below a preset safety level. The DIN rail mounted speed relay can…
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