2908777 PHOENIX CONTACT - Technology Bsa

REL-SR- 24DC/2X21/FG - Safety relays

Safety relay with force-guided contacts in accordance with DINEN61810-3, contact switching type: 2 changeover contacts. The requirements for type A in accordance with DINEN61810-3 are satisfied if the circuit is designed as 1 N/O contact / 1 N/C contact.

Product Code: 2908777

Partner cod.: 2908777

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Product properties	Product type: Single relay Application: Forcibly guided contacts Operating mode: 100% operating factor Mechanical service life: approx. 10⁷ cycles B_10d: 600000 Cycles (AC1; 250V/6A; 1 NO) 900000 Cycles (AC1; 250V/3A; 1NO) 1800000 Cycles (AC1; 250V/1,5A; 1NO) 180000 Cycles (AC15; 250V/3A; 1NO) 560000 Cycles (AC15; 250V/2A; 1NO) 4600000 Cycles (AC15; 250V/0,75A; 1NO) 360000 Cycles (DC13; 24V/3A; 1NO) 740000 Cycles (DC13; 24V/1,5A; 1NO) 4200000 Cycles (DC13; 24V/0,75A; 1NO) Insulation characteristics Insulation: Safe isolation, reinforced insulation Insulation characteristics: Air clearances and creepage distances between the power circuits Insulation: Safe isolation, reinforced insulation Overvoltage category: III Pollution degree: 2
Electrical properties	Maximum power dissipation for nominal condition: 0.7 W Air clearances and creepage distances between the power circuits Rated insulation voltage: 250 VAC Rated surge voltage: 6 kV
Input data	Coil side Nominal input voltage U_N: 24 VDC Input voltage range: 19.2 VDC ... 26.4 VDC Input voltage range in reference to U_N: see diagram Drive and function: monostable Drive (polarity): non-polarized Typical input current at U_N: 29 mA Typical response time: 10 ms Typical release time: 4 ms
Output data	Switching Contact switching type: 2 changeover contacts, forcibly actuated Type of switch contact: Single contact Contact material: AgNi Maximum switching voltage: 250 V AC/DC Minimum switching voltage: 15 V Limiting continuous current: 6 A Maximum inrush current: 6 A Min. switching current: 10 mA (5V) Interrupting rating (ohmic load) max.: 144 W (24VDC) 288 W (48VDC) 88 W (110VDC) 110 W (220VDC) 1500 VA (250VAC) Switching capacity min.: 0.24 W Switching capacity: 2 A (24V (DC13)) 3 A (230 V (AC15)) Motor load according to UL 508: 10 LRA / 0,5 FLA
Connection data	Connection method: Plug / solder connection
Dimensions	Width: 12.6 mm Height: 29 mm Depth: 25.5 mm
Environmental and real-life conditions	Ambient conditions Degree of protection: IP20 Ambient temperature (operation): -25°C ... 70°C Ambient temperature (storage/transport): -25°C ... 70°C
Approvals	Corrosive gas test Identification: ISA-S71.04. G3 Harsh Group EN60068-2-60
Standards and regulations	Air clearances and creepage distances between the power circuits Standards/regulations: DINEN50178 DINEN61810-3 IEC 60664-1