Official DistributorSKU
MPN
PSR-SCF- 24UC/URM/2X21
Weight
0.061 kg
Series PSR-SCF
PSR-SCF- 24UC/URM/2X21 - Coupling relay
Safe coupling relay with force-guided contacts, 2 changeover contacts, 1-channel, fixed screw terminal block, width: 17.5 mm
- Suitable up to category 1, PL c (EN ISO 13849-1), SIL 1 (EN IEC 62061), SIL 1 (IEC 61508)
- Safe readback due to force-guided signal contact in accordance with EN 50205
- Easy proof test according to IEC 61508 thanks to integrated signal contact
- 1 or 2-channel control
- 2 changeover contacts (EN 50205 type B)
Technical Specifications
Product properties
| Product family | PSRclassic |
| Application | Safe switch off |
| Application | High demand |
| Application | Low demand |
| Mechanical service life | 10x 10⁶ cycles |
| Relay type | Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 |
Times
| Restart time | < 1 s (Boot time) |
| Recovery time | < 500 ms |
Electrical properties
| Maximum power dissipation for nominal condition | 5.87 W (at UB = 26.4 V DC, US = 24 V, IS = 30 mA, n = 1, IL² = 50 A², Rcontact = 0.1 ) |
| Nominal operating mode | 100% operating factor |
Air clearances and creepage distances between the power circuits
| Rated Insulation Voltage | 250 V |
| 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). |
General
| 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 |
| Recovery time | < 500 ms |
| Maximum switching frequency | 0.5 Hz |
| Operating voltage display | 1 x yellow LED |
Output data
| 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) |
| Limiting Continuous Current | 3.5 A (N/C 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, τ = 0 ms) |
| Interrupting rating (ohmic load) max. | 288 W (N/O contact, 48 V DC, τ = 0 ms) |
| Interrupting rating (ohmic load) max. | 88 W (N/O contact, 110 V DC, τ = 0 ms) |
| Interrupting rating (ohmic load) max. | 110 W (N/O contact, 220 V DC, τ = 0 ms) |
| Interrupting rating (ohmic load) max. | 1500 VA (N/O contact, 230 V AC, τ = 0 ms) |
| Switching capacity | min. 50 mW |
| Switching capacity in accordance with IEC 60947-5-1 | 3 A (24 V (DC13)) |
| Switching capacity in accordance with IEC 60947-5-1 | 3 A (230 V (AC15)) |
| Output fuse | 6 A gL/gG (N/O contact) |
| Output fuse | 4 A gL/gG (N/O contact, for low-demand applications) |
| Output fuse | 4 A gL/gG (N/C contact) |
Connection technology
| pluggable | no |
Conductor connection
| Connection Method | Screw connection |
| Conductor cross section rigid | 0.2 mm² ... 2.5 mm² |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross-section AWG | 24 ... 12 |
| Stripping length | 7 mm |
| Screw thread | M3 |
| Tightening torque | 0.6 Nm |
Signaling
| Operating voltage display | 1 x yellow LED |
Dimensions
| Width | 17.5 mm |
| Height | 75 mm |
| Depth | 60.5 mm |
Material specifications
| Color (Housing) | green (RAL 6021) |
| Housing Material | Polycarbonate |
Safety data
| Stop category | 0 |
Safety data: EN ISO 13849
| Category | 1 |
| Performance level (PL) | c |
Safety data: IEC 61508 - High demand
| Safety Integrity Level (SIL) | 1 |
Safety data: IEC 61508 - Low demand
| Safety Integrity Level (SIL) | 1 |
Safety data
| Safety Integrity Level (SIL) | 1 |
Ambient conditions
| Degree of Protection | IP20 |
| Min. degree of protection of inst. location | IP54 |
| Ambient Temperature (Operation) | -20 °C ... 50 °C |
| Ambient temperature (storage/transport) | -20 °C ... 70 °C |
| Maximum altitude | ≤ 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 |
CE
| Certificate | CE-compliant |
Air clearances and creepage distances between the power circuits
| Standards/regulations | DIN EN 60947-1 |
Mounting
| Mounting Type | DIN rail mounting |
| Mounting Position | vertical or horizontal |
Why Proax for Phoenix Contact 2981363?
Proax is an authorized distributor of Phoenix Contact 2981363 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
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Additional Information
| Pack Size | 10 |
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