Phoenix Contact 2903680 REL-IR4/LDP-110DC/4X21 Single relay

The REL-IR4/LDP-110DC/4X21 is a plug-in industrial relay from Phoenix Contact with 4 changeover contacts and a 110 V DC coil, integrating a freewheeling diode, status LED, test button, and mechanical position indicator. Rated at 6 A continuous current and up to 250 V AC/DC switching voltage, it is suited to demanding industrial control applications.

Technical specifications:

• Part designation: REL-IR4/LDP-110DC/4X21
• Catalog number: 2903680
• Manufacturer: Phoenix Contact
• EAN: 4046356758932
• Pack size: 10 pc
• Coil voltage: 110 V DC
• Input voltage range: 88 V DC to 198 V DC (at 20°C)
• Contact switching type: 4 changeover contacts, AgNi
• Limiting continuous current: 6 A
• Maximum switching voltage: 250 V AC/DC
• Rated surge voltage: 2.5 kV
• Response time / release time: 13 ms / 14 ms
• Dimensions (W x H x D): 21.2 mm x 27.5 mm x 35.6 mm
• Weight: 34.058 g
• Operating temperature: -40°C to 70°C
• Connection method: Plug-in connection
• Mounting position: Any
• Country of origin: PL
• Approvals: CSA, EAC, VDE, cULus Recognized

Features and benefits:

• 4 AgNi changeover contacts rated at 6 A continuous and 1500 VA interrupting at 250 V AC
• Integrated freewheeling diode protects drive circuitry from coil back-EMF
• Status LED and mechanical position indicator enable rapid visual diagnostics
• Test button allows manual actuation without energizing the coil
• Wide input range of 88-198 V DC accommodates supply voltage fluctuations
• Rated to ISA-S71.04 G3 corrosive gas classification for harsh environments

Applications:

• Industrial control panels and PLC output switching
• Machine control with 110 V DC coil supply rails
• Motor control up to 1/3 HP at 240 V AC per UL 508
• HVAC and building automation control circuits

Compliant with IEC 60664 and IEC 61810. Compatible relay bases: RIF-2-BPT/4X21 (item 2900934, push-in) and RIF-2-BSC/4X21 (item 2900932, screw connection) for NS 35/7.5 DIN rail mounting.

Also known as: Phoenix Contact REL-IR4/LDP-110DC/4X21, Phoenix 2903680, Phoenix Contact 110VDC 4PDT industrial relay.