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View similar productsPhoenix Contact
PSR-SCP- 24UC/ESA4/3X1/1X2/B
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | PSR-SCP- 24UC/ESA4/3X1/1X2/B |
| Alternative Part Number | PSRSCP24UCESA43X11X2B |
| Manufacturer | Phoenix Contact |
| Mounting Type | DIN Rail Mount |
| Dimensions | 17.5 x 114.5 x 99 mm |
| Nominal Input Voltage | 24 V AC/DC |
| Input Voltage Range | 0.85 to 1.1 times the nominal voltage |
| Typical Input Current | 140 mA AC / 65 mA DC |
| Contact Type | 3 enabling current paths, 1 signalling current path |
| Minimum Switching Voltage | 15 V AC/DC |
| Maximum Switching Voltage | 250 V AC/DC |
| Limiting Continuous Current | 6 A (N/O contact) |
| Inrush Current | Minimum 25 mA, Maximum 6 A |
| Total Current | 72 A² (ITH² = I₁² + I₂² + I₃²) |
| Interrupting Rating (Ohmic Load) Max | 144 W (24 V DC), 288 W (48 V DC), 77 W (110 V DC), 88 W (220 V DC), 1500 VA (250 V AC) |
| Mechanical Service Life | Approx. 10⁷ cycles |
| Net Weight | 20.7 g |
| Degree of Protection | IP54, IP20 |
| Safety Integrity Level (SIL) | 3 |
| Performance Level (PL) | e |
| Category | 4 |
| Approvals | UL Listed, cUL Listed, Functional Safety, EAC, cULus Listed |
| Commodity Code | 853710 |
The Phoenix Contact PSR-SCP- 24UC/ESA4/3X1/1X2/B is a state-of-the-art safety relay designed for seamless integration into various industrial safety systems. This component is engineered to monitor emergency stop and safety door functions, ensuring compliance with the highest safety standards, including SIL 3 and Category 4, PL e according to EN ISO 13849. Its robust design allows for both single and dual-channel operation, providing flexibility in application and installation.
With a nominal input voltage of 24 V AC/DC, this safety relay is suitable for a wide range of control voltages, making it a versatile choice for diverse machinery and plant safety requirements. The unit features three enabling current paths and one auxiliary contact, offering reliable and immediate response in the event of a safety circuit breach.
The compact dimensions of 17.5 x 114.5 x 99 mm allow for DIN rail mounting, ensuring easy integration into existing systems without the need for extensive modifications. The screw connection terminals provide a secure and durable connection, ensuring long-term reliability in demanding industrial environments.
Crafted with meticulous attention to detail, the Phoenix Contact safety relay is a testament to quality and reliability, providing an essential component for machine safety and operator protection in a variety of industrial settings.
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Frequently Asked Questions
What is the function of this safety relay?
The safety relay is designed for emergency stop and safety door monitoring, ensuring circuits are interrupted safely. It can be used in single or two-channel operation and is suitable for applications requiring up to SIL 3 or Cat. 4, PL e according to EN ISO13849.
Can this safety relay be used for both automatic and manual activation?
Yes, the safety relay supports both manually monitored and automatic activation within a single device, providing flexibility for different safety circuit configurations.
What are the input voltage specifications for this relay?
The nominal input voltage for the relay is 24 V AC/DC, with an input voltage range in reference to the nominal voltage of 0.85 to 1.1 times the nominal voltage.
What type of contacts does the relay have?
The relay is equipped with 3 enabling current paths and 1 signalling current path, providing reliable switching for safety functions.
What are the mounting options for this relay?
This relay is designed for DIN rail mounting, making it easy to install in a variety of control cabinets and panels.
What is the operating temperature range for this relay?
The operating temperature range for the relay is from -20 °C to 55 °C, ensuring reliable operation in a wide range of industrial environments.
What type of connection method is used for this relay?
The relay utilises a screw connection method for secure and reliable wiring.
What is the mechanical service life of the relay?
The mechanical service life of the relay is approximately 10 million cycles, indicating its durability and longevity in operation.
What certifications does this safety relay have?
The relay has several certifications, including UL Listed, cUL Listed, and EAC, ensuring compliance with various international safety standards.
What is the significance of the forcibly guided contacts in this relay?
Forcibly guided contacts ensure that the contacts in the relay follow a fixed mechanical linkage, which prevents simultaneous closure of NO (normally open) and NC (normally closed) contacts, enhancing the safety integrity of the relay.
