Phoenix Contact 2987969 REL-MR-120AC/21-21/MS Single relay

The REL-MR-120AC/21-21/MS from Phoenix Contact is a plug-in miniature single relay with 2 changeover contacts, 120 V AC coil voltage, test button, mechanical switching position indicator, and integrated status LED. AgNi contacts handle 8 A continuous current, 16 A inrush, and up to 250 V AC/DC maximum switching voltage.

Technical specifications:

• Part designation: REL-MR-120AC/21-21/MS
• Catalog number: 2987969
• Manufacturer: Phoenix Contact
• EAN: 4046356480970
• Coil: 120 V AC; input range: 93.6-174 V AC; 50/60 Hz; 7 mA at UN
• Contacts: 2 changeover, AgNi single contact; drive: monostable, non-polarized
• Limiting continuous current: 8 A; maximum inrush: 16 A (20 ms)
• Maximum switching voltage: 250 V AC/DC (2000 VA ohmic max.); minimum: 12 V at 10 mA
• AC15 capacity: 1.5 A at 120 V AC, 1.5 A at 240 V AC
• Power dissipation: 0.84 W; test voltage: 5 kV AC (winding/contact), 2.5 kV AC (contact/contact)
• Response/release times: 3-12 ms / 2-8 ms
• Connection: plug / solder
• Dimensions: 12.7 x 29 x 25 mm (W x H x D); weight: 17.48 g (excl. packing)
• Mechanical service life: 5 x 10^6 cycles
• Operating temperature: -40°C to 70°C; storage: -40°C to 85°C
• Corrosive gas rating: ISA-S71.04 G3 Harsh Group
• Approvals: UL Recognized, cUL Recognized (FILE E 195083), EAC, VDE (40027210)
• Pack size: 10 pc; country of origin: CN

Features and benefits:

• Test button enables detectable manual operation for commissioning and fault diagnosis
• Mechanical position indicator and status LED give instant relay state feedback without test equipment
• 16 A inrush current rating supports motor and capacitive load switching applications
• Rated for ISA-S71.04 G3 harsh corrosive gas environments for demanding installations

Applications:

• 120 V AC machine and process control panels
• Motor switching circuits up to 1/2 HP at 240 V AC
• PLC output and industrial relay switching
• HVAC and building automation control systems

Compliant with EN 61810-1, VDE 0435-201, EN 50178, and EN 60068-2-60; EU RoHS compliant. Mandatory relay bases: RIF-1-BPT/2X21 (2900931) and RIF-1-BSC/2X21 (2900930) for NS 35/7.5 DIN rail mounting.

Also known as: Phoenix Contact REL-MR-120AC/21-21/MS, Phoenix 2987969, 120VAC plug-in miniature power relay.