Description
Specifications:
- Application: Safety control for steam heating boilers
- Pressure Ratings (Set Point): Recommended minimum set point is differential setting plus 1 1/2 psi.
- Pressure Sensing Element: Stainless Steel diaphragm
- Switching Action: Makes at set point on pressure fall; Breaks at set point plus differential on pressure rise
- Switch Type: SPST snap-acting switch
- Pipe Connections: 1/4 in. female pipe threads
- Pressure Surge (max. psi): 50 psi
- Pressure Surge (max. kPa): 345 kPa
- Adjustable Scale Range (psi): 0.5 psi to 9 psi
- Adjustable Scale Range (kPa): 3 kPA to 62 kPa
- Adjustable Operating Pressure Range (psi): 0.5 psi to 9.0 psi
- Adjustable Operating Pressure Range (kPa): 3 kPa to 62 kPa
- Maximum Operating Pressure (psi): 20 psi
- Maximum Operating Pressure (kPa): 137 kPa
- Differential Pressure Range (psi): Additive: 1 psi to 5 psi
- Differential Pressure Range (kPa): Additive: 7 kPa to 35 kPa
- Electrical Ratings: 0.25 A @ 0.25 to 12 Vdc
- Electrical Ratings (120 Vac, Full Load): 8.0 A
- Electrical Ratings (120 Vac, Locked Rotor): 48.0 A
- Electrical Ratings (120 Vac, Resistive): 8.3 A
- Electrical Ratings (240 Vac, Full Load): 5.1 A
- Electrical Ratings (240 Vac, Locked Rotor): 30.6 A
- Electrical Ratings (240 Vac, Resistive): 8.3 A
- Electrical Ratings (277 Vac, Resistive): 7.2 A
- Electrical Ratings (Pilot Duty): 150 VA @ 277 Vac
- Materials (Case): Gray enamel finish
- Maximum Ambient Temperature (F): 150 F
- Maximum Ambient Temperature (C): 66 C
- Operating Humidity Range (% RH): 95% RH, non-condensing
- Dimensions (in.): 4 15/32 in. high x 3 3/8 in. wide x 2 1/4 in. deep
- Dimensions (mm): 114 mm high x 86 mm wide x 58 mm deep
- Approvals, Underwriters Laboratories Inc UL Listed: File no. MP466, Guide no. MBPR.
- Approvals, Canadian Standards Association CSA Listed: File no. LR1620.
- Tradeline Value: Tradeline
- Ref: Honeywell.com
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