Marsh Bellofram Diversified Electronics Division SPM Series Single Channel Seal Failure Alarm - Marsh Bellofram - #1

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800.727.5646 atcdiversified.com Diversified Electronics SPM Series 273 Singl e Ch a nne l S e a l F a i l u r e A l a r m The ATC Diversified SPM Series Single channel seal failure module is a specialized control for monitoring the shaft seal of a submersible pump motor. A leak is detected by sensing the position of a resistive float switch installed in the seal cavity. When the resistance drops below the sensitivity rating, the output relay energizes and the LED illuminates. When the fault condition clears, the output relay resets automatically. Special Controls // SPM Series RB-11/PF013A \\\OPERATION \\\DIMENSIONS (INCHES) \\\SPECIFICATIONS CONTROL VOLTAGE 120 VAC, 50/60 Hz SWITCH VOLTAGE 9 VDC ISOLATION 2500 Volts POWER REQUIRED 2 VA DUTY CYCLE Continuous SENSITIVITY 470 ½ ±10% Fixed 470 ½ to 10K ½ ±10% Adjustable 4.7K ½ to 100K ½ ±10% Adjustable CONTACT RATING DPDT, 10 A @ 250 VAC Resistive, 360 VA Inductive RESPONSE TIMES Operate 15 ms (approximately) Release 8 ms (approximately) LIFE EXPECTANCY Mechanical 10,000,000 Operations (Minimum) Electrical 50,000 Operations @ Rated Load INDICATORS Red LED illuminates when leak is detected TEMPERATURE RATING Operate -4° to 131°F (-20° to +55°C) Storage -40° to 185°F (-40° to +85°C) ENCLOSURE 11-Pin plug-in “A” style enclosure WEIGHT 8 oz. MODEL NUMBER >>>>>> SPM 120 AAA Sensitivity 470 ½ ±10% Fixed 470 470 ½ to 10K ½ ±10% Adjustable 10K 4.7K ½ to 100K ½ ±10% Adjustable 100K \\\WIRING