Marsh Bellofram launches fully submersible shaft seal and stator temperature monitor and relay for OEM, industrial and wastewater pump motors
The ATC Diversified Electronics division of Marsh Bellofram Corporation has launched the SPM series, a dual function alarm and relay, designed to monitor shaft seal and stator temperature of a submersible pump motor, providing early warning of machinery failure to reduce downtime and maintenance costs.
The Marsh Bellofram SPM series is designed to operate from a 120 VAC supply voltage, with reliable operation over 10 million continuous duty cycles. The series detects leaks by either resistive float switch or a pair of conductive probes installed in the seal cavity, while over-temperature is detected by a normally-closed low-temperature switch that is mounted on the stator, with LED’s that indicate green for “normal” and red for “leak” and “over temperature” condition values. The SPM series also incorporates the use of a bi-stable relay which can retain its position during power failures or energy surges. The relay automatically resets following leakage detection. Sensor voltage is 12 VDC at 50 to 60 Hz. Units are UL listed and include a 10-year comprehensive product warranty.
With more than 85 years of proven, successful experience in the global industrial marketplace, Marsh Bellofram ATC Diversified products are known for their high accuracy, reliability and dependability within a highly diverse array of demanding applications. With its strong performance characteristics, the SPM series is ideal for use in OEM; potable or wastewater sump pump; industrial or municipal pump monitoring; control package manufacturing; and general industrial leak detection applications.
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