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Phoenix Contact PSR-SCF- 24UC/URM/2X21 - 2981363 - Coupling relay
Technical Specifications of Coupling relay PSR-SCF- 24UC/URM/2X21 2981363

| Brand | Phoenix Contact |
| Product Type | Safe Coupling Relays |
| Product | PSR-SCF- 24UC/URM/2X21 |
Phoenix Contact Coupling relay PSR-SCF- 24UC/URM/2X21, 2981363 Technical Specifications
| Specification | Value |
|---|---|
| Note on application | Only for industrial use |
| Product type | Coupling relay |
| Product family | PSRclassic |
| Application | Safe switch off |
| Output fuse | 4 A gL/gG (N/C contact) |
| Control | 1 and 2 channel |
| Mechanical service life | 10x 106 cycles |
| Relay type | Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 |
| Overvoltage category | III |
| Degree of pollution | 2 |
| Restart time | < 1 s (Boot time) |
| Recovery time | < 500 ms |
| Maximum power dissipation for nominal condition | 5.87 W (at UB = 26.4 V DC, US = 24 V, IS = 30 mA, n = 1, ILยฒ = 50 Aยฒ, Rcontact = 0.1 ๏ ) |
| Nominal operating mode | 100% operating factor |
| Rated insulation voltage | 250 V |
| Rated surge voltage/insulation | 4 kV/basic insulation (safe isolation, reinforced insulation, and 6 kV between logic and signaling current paths). |
| Rated control circuit supply voltage US | 24 V AC/DC -15 % / +10 % |
| Power consumption at US | typ. 0.72 W |
| Rated control supply current IS | typ. 30 mA |
| Input voltage range | 20.4 V AC/DC ... 26.4 V AC/DC |
| Typ. starting time with Us | typ. 10 ms |
| Typical release time | typ. 10 ms |
| Maximum switching frequency | 0.5 Hz |
| Operating voltage display | 1 x yellow LED |
| Contact switching type | 2 changeover contacts |
| Contact material | AgNi |
| Maximum switching voltage | 230 V AC/DC (Observe the load curve) |
| Minimum switching voltage | 5 V AC/DC |
| Limiting continuous current | 5 A (N/O contact) |
| Maximum inrush current | 6 A |
| Inrush current, minimum | 10 mA |
| Sq. Total current | 50 A2 |
| Interrupting rating (ohmic load) max. | 144 W (N/O contact, 24 V DC, ฯ = 0 ms) |
| Switching capacity | min. 50 mW |
| Output fuse | 6 A gL/gG (N/O contact) |
| pluggable | no |
| Connection method | Screw connection |
| Conductor cross section rigid | 0.2 mmยฒ ... 2.5 mmยฒ |
| Conductor cross section flexible | 0.2 mmยฒ ... 2.5 mmยฒ |
| Conductor cross-section AWG | 24 ... 12 |
| Stripping length | 7 mm |
| Screw thread | M3 |
| Tightening torque | 0.6 Nm |
| Width | 17.5 mm |
| Height | 75 mm |
| Depth | 60.5 mm |
| Color (Housing) | green (RAL 6021) |
| Housing material | PC |
| Category | 1 |
| Performance level (PL) | c |
| Safety Integrity Level (SIL) | 1 |
| Degree of protection | IP20 |
| Min. degree of protection of inst. location | IP54 |
| Ambient temperature (operation) | -20 ยฐC ... 50 ยฐC |
| Ambient temperature (storage/transport) | -20 ยฐC ... 70 ยฐC |
| Maximum altitude | โค 2000 m (Above sea level) |
| Max. permissible humidity (storage/transport) | 75 % (on average, 85% infrequently, non-condensing) |
| Max. permissible relative humidity (operation) | 75 % (on average, 85% infrequently, non-condensing) |
| Shock | N/O contact: 10g, N/C contact: 5g |
| Vibration (operation) | 10 Hz ... 150 Hz, 2g |
| Certificate | CE-compliant |
| Mounting type | DIN rail mounting |
| Mounting position | vertical or horizontal |







