UL AUTOMATION SYSTEMS PVT. LTD.

+91 20 2696 0000
corporate@ulepl.com

Relay Interfacing Modules

Relay Module, AC Coil, 4C/O with pot free contacts

Application
Relay Interface Module 4 Changeover with pot free contacts used to Interfacing PLC/DCS Digital Outputs to field or field devices. Outputs are Galvanically isolated through Relays.

Component Specification
Relay: 24VDC Coil, 4 Changeover
Relay Socket: 4 Changeover, PCB solderable type
Terminals*: Screw type suitable for 2.5Sq.mm conductor
PCB: Glass Epoxy double side PTH with Lacquer Coating

Technical Specification

General Data

No. of Channel: 2, 4, 8, 16, 32.
Test Voltage: 2.5kV, 50Hz, 1Min Input / Output.
Ambient operating Temp. : Max 60° C.
Relative Humidity: Max 90% (Non- Condensing).
Tropicalisation: Lacquer coating on PCB.
Identification Tag: Provided.
Mounting: Universal Din Rail Mountable.
Standard/Approvals:PCB: Type tested STQC, IEC 61373, ANSI IPC 2221 & 2222, MIL 275B
Terminals: UL/CE & CSA Standard
Relays: UL/CSA

Input Data

Operating Voltage*: 24VDC +/- 10%.
Input Current/ Channel: 40mA @ 24VDC.
Protection across Relay Coil: Freewheeling Diode.
Indication/ Channel: 3mm Green LED.
Looping (Sinking/Sourcing): Interchangeable using flexible jumpers.
Terminals: Screw type.
Conductor size: 0.25 -2.5 sq.mm flexible.
Insulation Stripping: 7.0 mm length.

Output Data

Contact Type: 4 C/O.
Max Switching Voltage: 250VAC/DC.
Max Output Current: 3 Amp @ 230VAC/30VDC.
Snubber/Fuse Protection: Available on request.
Output Wiring: Pot Free.
Terminals: Screw type.
Conductor size: 0.25 - 2.5 sq.mm flexible.
Insulation Stripping: 7.0 mm length.

Other notes

Screw less Terminals: Available on request for selective Relay Modules.
Operating Voltage: Available in 12VDC/48VDC/110VDC.

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