Schneider Electric 2354-501 Pneumatic Diverting Relay 4-8 PSI SPDT

The Schneider Electric (Barber Colman) 2354-501 is a pneumodular diverting relay designed for precise switching and interlocking functions in pneumatic HVAC control systems. This snap-acting device provides reliable SPDT (Single Pole Double Throw) pneumatic switching with a factory-set operating range of 4-8 PSI.

Key Features:

• SPDT switching action for single-circuit pneumatic control
• Snap-acting two-position operation for positive, reliable switching
• Factory-set switching point at 4-8 PSIG (adjustable with 1/16" hex wrench)
• No main air connection required for operation
• Barbed nipples accept 1/4" O.D. polyethylene or 5/32" I.D. tubing
• Designed for use on 22-120 manifold socket or surface mounting with optional bracket
• 60 SCFH air capacity rating

Applications:

• Feeding and exhausting branch lines in pneumatic systems
• Diverting a supply line to either one of two branch lines
• Diverting either one of two supply lines to one branch line
• Switching and interlocking functions in building automation systems

The 2354 Series relays are designed for use with clean, dry, oil-free control air only. This device replaces the legacy R504-1 model and maintains compatibility with existing pneumatic control systems. Part of Schneider Electric's proven Barber Colman pneumatic control product line, trusted for decades in commercial HVAC applications.