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Schneider Electric R504 Series (2354 Series) TAC Pneumodular® Diverting Relays

TAC Pneumodular® Diverting Relays
R504 Series (2354 Series)

The R504 Series diverting relays are snap-acting devices designed for a variety of switching and interlocking functions in pneumatic control systems where the applications may require one or more of the following functions: feeding and exhausting branch lines, diverting a supply line to either one of two branch lines or diverting either one of two supply lines to one branch line.

• All R504 Series Relays provide positive two-position snap-action. No main air connection required.
• Some competitive relays, that are claimed to be snap-acting, are not.
• R504-1 and R504-2 are the same relay with different factory settings; provide SPDT pneumatic switching.
• R504-3 and R504-4 are the same relay with different factory settings; provide DPDT pneumatic switching (switch two separate pneumatic circuits simultaneously).
• Switching point adjustable with 1/16 in. hex wrench.
• All ports clearly labeled. Ports align with MCS-S terminals.
• TAC PNEUMODULAR: Mounts on MCS-Socket or K503 Mounting Bracket.

Select a link under the "item" tab below to order.

Cat #Action
R504-1Below 4 psig: NO and C are connected. Above 8 psig: NO and C are connected.
R504-2Below 16 psig: NO and C are connected. Above 20 psig: NC and C are connected.
R504-3Below 4 psig: NO and C are connected. NO2 and C2 are connected. Above 8 psig: NC and C are connected. NC2 and C2 are connected.
R504-4Below 16 psig: NO and C are connected. NO2 and C2 are connected. Above 20 psig: NC and C are connected. NC2 and C2 are connected.
Control action: Refer to Active Connections Table.
Construction: Glass-filled nylon.
Maximum ambient temperature: 140°F (60°C).
Supply air pressure: Clean, dry, oil free air required (Ref. EN-123).
Maximum: 30 psig (207 kPa)
Connections: Barbed nipples for 1/4 in. O.D. polyethylene or 5/32 in. I.D. polyurethane tubing.
Air flow capacity: 60 scfh (1.7 scmh).
Adjustments: The differential band (fixed at 4 psig) switch-over point may be adjusted between 4 to 8 psig and 18 to 22 psig respectively by means of 1/16 in. hex wrench.
Mounting: Designed for use on MCS-S manifold socket. This device can also be surface mounted by using the K503 mounting bracket.
Dimensions: 4-1/8 H x 1-31/32 W x 2-61/64 D in. (105 x 50 x 80 mm).


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