Ranco Part Number RHM-410 High Pressure Switch

Open: 410 PSI Close: Manual HVAC Control

Applications: Heat Pump, Air Conditioning, and Refrigeration systems

Ranco® pressure switches are designed to sense and respond when a present pressure threshold is reached, with models available for low-pressure and high-pressure cutouts as well as operating control cycling. These switches support a wide range of applications, from HVAC/R to transportation and industrial systems, including environments that demand exceptional performance under extreme conditions. Durable, reliable, and compact, Ranco® pressure switches can be configured with a nearly unlimited variety of pressure fittings and electrical connections, making them suitable for virtually any system application. Each unit features a hermetically sealed design constructed from premium materials, delivering a truly customized sensing solution for long-term dependable operation.

Features and Benefits:

• Hermetically (epoxy) sealed sensor design ensures protection from environmental conditions
• Excellent set point stability and cycle life due to a high-quality, mobile switch arm
• Robust welded and potted wire leads facilitate reliable operation
• Premium sensor materials and design, including a high-grade stainless steel disc for reliable lifetime performance
• Replacement for Supco: SMR410, Johnson Controls: P100DA-1C, Mars: 43313

Specifications:

• Application: Manual High Pressure
• Reset: Manual
• Open (Cut Out): 410 PSI
• Open (Cut In): Manual
• Pressure Range: 0-50 bar, 0-735 psig
• Burst Pressure: 345 bar, 5000 psig
• Terminal Type: Normally Open (Low Pressure Cutout) | Normally Closed (High Pressure Cutout)
• Fluid Temperature: -55 °C to 135 °C / -65 ° to 275 °F
• Ambient Temperature: -30 °C to 70 °C / -40 ° to 185 °F
• Electrical Rating: 120 VAC: 5.8 FLA / 34.8 LRA | 240 VAC: 2.9 FLA / 17.4 LRA | 120/277 VAC: 375 VA | 24 VAC: 125 VA
• Pressure Fittings: 1/4 SAE FF
• Electrical Connection: IP65-rated 1m wire lead cables
• Lifetime (Cycles): 100,000

Product Details