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2981978
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 2981978 |
| Manufacturer | Phoenix Contact |
| Product Type | Coupling Relay |
| Model | PSR-SCP- 24DC/FSP/1X1/1X2 |
| Nominal Operating Voltage | 24 V DC |
| Operating Voltage Range | 20.4 V DC to 26.4 V DC |
| Input Current | Typical 55 mA |
| Power Consumption | Typical 1.32 W |
| Contact Material | AgCuNi, gold-plated 0.2 µm |
| Maximum Switching Voltage | 250 V AC/DC |
| Minimum Switching Voltage | 15 V AC/DC |
| Limiting Continuous Current | 5 A (N/O contact), 100 mA (N/C contact) |
| Inrush Current | Maximum 5 A |
| Mechanical Service Life | Approximately 10 million cycles |
| Ambient Operating Temperature | -20 °C to +55 °C |
| Ambient Storage Temperature | -40 °C to +70 °C |
| Humidity Tolerance | Up to 85% non-condensing |
| Mounting Type | DIN rail mounting |
| Protection Degree | IP20, minimum installation location IP54 |
| Housing Material | Polyamide |
| Housing Colour | Yellow |
| Connection Type | Screw connection, pluggable |
| Conductor Cross Section | Solid: 0.2 mm² to 2.5 mm², Flexible: 0.2 mm² to 2.5 mm² |
| Stripping Length | 7 mm |
| Screw Thread | M3 |
| Compliance | EN 50205, IEC 61810-3, EN ISO 13849, IEC 61508, EN 62061, DIN EN 50178/VDE 0160 |
| Safety Integrity Level (SIL) | SIL 3 |
| Performance Level (PL) | PL e |
| Approvals | UL Listed, cUL Listed, EAC, DNV GL |
The Phoenix Contact 2981978 is a high-performance coupling relay designed for demanding industrial applications. This component is part of the PSR-SCP- 24DC/FSP/1X1/1X2 series, renowned for its reliability and efficiency in coupling digital output signals to peripheral devices. With a narrow 17.5 mm housing, it is ideal for installations where space is at a premium.
This coupling relay operates within a control supply voltage range of 24 V DC, accommodating slight variations to ensure consistent performance. It features one enabling current path and one confirmation current path, both crucial for streamlined operations in automated processes. The relay is built to handle a wide ambient temperature range from -20 °C to 55 °C, making it suitable for use in varied environmental conditions.
Safety is a priority with this device, which is designed to meet SIL 3 requirements as per IEC 61508, indicating a high level of reliability and safety for high demand applications. The contacts are forcibly guided, which helps prevent incorrect connections and ensures that the relay performs its safety functions reliably.
The Phoenix Contact 2981978 is also equipped with a test pulse filter and a built-in, replaceable fuse, enhancing its durability and reducing maintenance needs. Its screw connection type allows for secure and easy installation on DIN rails, making it a versatile choice for a wide range of industrial settings.
Overall, the Phoenix Contact 2981978 coupling relay is an essential component for engineers looking to enhance system integrity and reliability in automated or safety-related applications. Its robust design and compliance with stringent safety standards make it a dependable choice for critical industrial operations.
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