Description
The Schneider Electric (Barber Colman) 2354-502 is a Pneumodular diverting relay designed for pneumatic control systems in commercial HVAC and building automation applications. Featuring SPDT (Single-Pole, Double-Throw) switching action, this relay responds to supply air pressure to route pneumatic signals with precision and reliability.
How It Works
The 2354-502 monitors incoming pneumatic signal pressure and switches output connections based on defined pressure thresholds. Below 16 Psig, the Normally Open (NO) and Common (C) ports are connected, allowing the default pneumatic circuit to remain active. Above 19 Psig, the Normally Closed (NC) and Common (C) ports are connected, redirecting the pneumatic signal to the alternate circuit. This SPDT switching behavior makes it ideal for diverting or sequencing pneumatic control signals in complex building automation and HVAC systems.
Key Features
- SPDT (Single-Pole, Double-Throw) pneumatic switching action
- Switching set point range: 16–19 Psig
- Below 16 Psig: NO and C ports are connected
- Above 19 Psig: NC and C ports are connected
- Air capacity: 60 SCFH (Standard Cubic Feet per Hour)
- Barbed nipple connections compatible with 1/4″ O.D. or 5/32″ I.D. pneumatic tubing
- Compact Pneumodular design for easy integration into pneumatic control panels
- Part of the trusted Barber Colman Pneumodular product family, now under Schneider Electric
Applications
- Pneumatic HVAC control systems in commercial and institutional buildings
- Building automation and DDC/pneumatic hybrid systems
- Signal diverting and sequencing in multi-zone pneumatic networks
- VAV and AHU pneumatic control circuits
Specifications
- SKU: 2354-502
- Manufacturer: Schneider Electric (Barber Colman)
- Type: Pneumodular Diverting Relay
- Switching Type: SPDT
- Set Point Range: 16–19 Psig
- Air Capacity: 60 SCFH
- Tubing Connection: Barbed nipples for 1/4″ O.D. or 5/32″ I.D. tubing
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