• Murphy

RP75

The RP75 Rack Puller is a semiautomatic device that provides a pulling force to initiate shut down of diesel engines and equipment.

The RP75 connects to the injection pump or air intake shut-off lever via a cable (chain optional). A coil spring, within the RP75, is reset manually and is held in place by an electromagnet. When the Swichgage® detects a malfunction, the electromagnetic circuit is interrupted through a magnetic switch — releasing the coil spring thus pulling the cable/chain to actuate shutdown. When fully compressed, the spring exerts a pull of 30 lbf (133 N). The RP75 is available for 12- or 24-VDC applications and is compatible with all Swichgage instruments.

Specifications Downloads How to Order
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Specifications Drawer: 
  • Operating Force: 30 lbf (133 N) maximum, 10 lbf (44 N) minimum.
  • Coil Voltage: Specify 12 or 24 VDC.
  • Coil Resistance: RP75-12: 32.2 ohms; RP75-24: 129.8 ohms.
  • Length of Travel: 1-7/8 in. (48 mm).
  • Control Linkage
    • Cable: 4ft. (1.22 m); Optional 8 ft. (2.43 m) or 12 ft. (3.65 m) available.
    • Chain (optional): 30 in. (762 mm).
  • Shipping Weight: 5 lbs 3 oz. (2.4 kg).
  • Shipping Dimensions: 9-1/4 x 8-1/4 x 5-1/4 in. (235 x 210 x 133 mm).

WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information about California Propsition 65, go to www.P65Warnings.ca.gov or visit our California Proposition 65 page.

Additional product documentation can be found on our product support website or by clicking the Help Center button above.

Backup Method - Rich Text: 

Options listed below. All configurations may not be available. Call your sales representative or Enovation Controls for more information. See sales bulletin for service parts.

Note: Mounting bracket (Part Number 40050161) sold seperately.