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All Categories > Safety Systems & Safety Monitoring Relays > SR1 Series (Fixed Terminals) Safety Monitoring Relays > SR125SMS Stop Motion Sensing Unit > View Items  
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SR125SMS Stop Motion Sensing Unit

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  • Power requirements-the SR125SMS will accept 24 VDC, 110 VAC, or 220 VAC
  • Motion detection input-the SR125SMS detects the stop condition of all types of AC or DC motors by sensing the motor’s back EMF across terminals Z1, Z2 and Z3
  • Drive compatible-the SR125SMS will function with electronic motor control devices such as variable speed controllers, DC injection brakes, etc.
  • Selectable speed limit-the SR125SMS has 1 N/O and 1 N/C outputs that are switched when motor speed reaches the adjustable preset limit (0.01 to 0.10 V) for the particular output
  • Auxiliary output-the SR125SMS has 2 solid state auxiliary signaling outputs
Specifications are subject to change without notice.

Note: The safety contacts of the Omron STI switches are described as normally closed (N/C)-i.e., with the guard closed, actuator in place, and the machine able to be started.




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Item #

Model

Shipping requirements

Power Supply ±10%

Inputs

Auxiliary

Power Consumption

44510-1271 SR125SMS4501 Normally in Stock Canada
Normally in Stock US
24 VDC Back EMF Sensing 2 Solid State ≤ 3.0 W
44510-1272 SR125SMS4502 Normally in Stock Canada 110 VAC Back EMF Sensing 2 Solid State ≤ 5.2 VA
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