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Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
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2904951
Phoenix Contact 2904951 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Phoenix Contact 2904951 is a compact safety relay designed to enhance the safety and reliability of industrial automation systems. This electromechanical relay features force-guided contacts, ensuring dependable performance in emergency stop and safety door applications. With a nominal operating voltage of 24 V DC, it supports single-channel operation and offers a manual, monitored start function. The relay is capable of achieving up to SILCL 3 and PL e, depending on the application, making it suitable for high-demand safety requirements. Its slim housing, measuring just 6.8 mm in width, allows for efficient use of space in control panels. The device is equipped with one enabling current path and a digital signal output, providing flexibility in integration. The Phoenix Contact 2904951 is built to withstand harsh conditions, with an operating temperature range from -40 °C to 60 °C and a robust IP20 protection rating. Its durable construction and reliable performance make it an ideal choice for safeguarding machinery and personnel in various industrial environments.
| Specification | Description |
|---|---|
| Part Number | 2904951 |
| Manufacturer | Phoenix Contact |
| Part Category | Safety Relay |
| Part Family | PSR-MS25-1NO-1DO-24DC-SC |
| Dimensions | Width: 6.8 mm, Height: 93.1 mm, Depth: 102.5 mm |
| Weight | 69 g |
| Mounting Type | DIN rail mounting |
| Housing Material | PBT (Polybutylene Terephthalate) |
| Housing Colour | Yellow |
| Operating Voltage | 24 V DC -15% / +10% |
| Rated Control Supply Current | Typical 42 mA |
| Power Consumption | Typical 1 W |
| Inrush Current | 4.5 A (Δt < 120 µs at Us) |
| Relay Type | Electromechanical relay with force-guided contacts |
| Safety Integrity Level (SIL) | SIL 1 (up to SIL 3 depending on the application) |
| Performance Level (PL) | PL c (up to PL e depending on the application) |
| Contact Material | AgSnO2 |
| Switching Voltage | Min. 12 V AC/DC, Max. 250 V AC/DC |
| Limiting Continuous Current | 6 A |
| Mechanical Service Life | 10 million cycles |
| Degree of Protection | IP20 |
| Ambient Temperature (Operation) | -40 °C to 60 °C |
| Approvals | UL Listed, cUL Listed, EAC, cULus Listed |
| Description | The Phoenix Contact 2904951 is a compact safety relay designed for emergency stop and safety door applications. It offers reliable performance with a single-channel control and a monitored start function. |
What is the primary function of this safety relay?
The primary function of this safety relay is to provide emergency stop and safety door monitoring up to SILCL 1, Cat. 1, PL c, with the capability to reach up to SILCL 3, Cat. 4, PL e, depending on the application.
What are the dimensions of the safety relay?
The safety relay has a width of 6.8 mm, a height of 93.1 mm, and a depth of 102.5 mm.
What is the operating temperature range for this safety relay?
The operating temperature range for this safety relay is from -40 °C to 60 °C.
What type of mounting does this safety relay support?
This safety relay supports DIN rail mounting, allowing for easy installation in various industrial settings.
What is the rated control circuit supply voltage for this safety relay?
The rated control circuit supply voltage for this safety relay is 24 V DC, with a tolerance of -15% to +10%.
What is the maximum switching voltage for the relay contacts?
The maximum switching voltage for the relay contacts is 250 V AC/DC.
What is the degree of protection provided by the housing of this safety relay?
The housing of this safety relay provides a degree of protection rated at IP20.
What is the mechanical service life of this safety relay?
The mechanical service life of this safety relay is 10 million cycles.
What type of contacts does this safety relay use?
This safety relay uses electromechanical relay contacts with force-guided contacts in accordance with IEC/EN 61810-3.
What is the typical response time of this safety relay?
The typical response time of this safety relay is less than 175 ms.
- Emergency stop applications in industrial environments
- Safety door monitoring in manufacturing facilities
- Integration into safety circuits for machinery
- Use in single-channel control systems
- Applications requiring manual and monitored start functions
- Ensuring compliance with safety standards such as SILCL and PL
- Providing a safety-related enabling current path in automation systems
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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All parts new or reconditioned are covered by EU Automation 12 month warranty
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
2 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
2 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
2 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
3 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
4 months ago
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