RotoGuard® IV Speed Switches
The RotoGuard® IV is an electronic speed switch device for sensing the reduction, increase, or loss in rotational motion associated with many types of moving equipment. The unit can detect changes in motion between 1 and 400 RPM, depending on the model selected, and provide a change of state, or alarm, when a variation in operating speed occurs. The RotoGuard® IV may be direct coupled to another shaft or driven with a belt or chain.
The RotoGuard® IV is designed with an optical encoder and multi-toothed interrupter wheel to transform the rotation of the input shaft to voltage pulses. A change of input speed from the calibrated running speed results in the output relay changing state. A startup alarm delay feature allows time for the monitored equipment to come up to speed before the unit will alarm. An adjustable alarm delay feature eliminates nuisance alarms during erratic motion.
Features:
- Solid state electronics
- Universal Voltage Input
- Startup delay (0-120 seconds)
- Alarm delay (0-60 seconds)
- Models available with NEMA 4/5 Rating (weatherproof and dust tight) or NEMA 7/9 Rating (Explosion Proof [EP models cannot exceed 100 RPM.])
- UL Listed
| ROTOGUARD® IV | |
|---|---|
| Temperature Range | -40° to +160° F (-40° to +71° C) |
| Input Shaft Speed | 1-400 RPM (20-tooth wheel) |
| Input Voltage | 120 – 240 VAC at 50/60 Hz (Factory Set) |
| Output Relay | 5 Amp @240VAC or 30VDC/Resistive Load, DPDT (Double Pole, Double Throw) |
| Power Consumption | 3.5 Watt |
| Weight | 7 lbs. (3.2 kg) |
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