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ESR4-NO-31
Moeller ESR4-NO-31 available at EU Automation. Get in touch today for a quick price.
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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 Moeller ESR4-NO-31 Safety Relay is a vital component designed to enhance the safety of industrial automation systems. This compact and reliable device is engineered to monitor emergency stop signals and safety doors, ensuring machinery halts immediately during a hazard or unexpected event. With a 24V AC/DC operating voltage, it seamlessly integrates into various control systems.
The ESR4-NO-31 features dual-channel input for redundancy and increased safety, along with three enabling current paths and one signalling path. Its manual or automatic reset options provide flexibility in safety circuit design, catering to a wide range of safety applications up to Category 2 as per EN 954-1 standards.
Constructed with a robust design, the Moeller ESR4-NO-31 is suitable for harsh industrial environments, maintaining reliable operation and contributing to the overall safety and compliance of your machinery. Its straightforward installation process and LED indicators for power and channel status make it user-friendly and easy to monitor.
Incorporate the Moeller ESR4-NO-31 Safety Relay into your safety system to ensure a high level of protection for both your machinery and personnel.
The ESR4-NO-31 features dual-channel input for redundancy and increased safety, along with three enabling current paths and one signalling path. Its manual or automatic reset options provide flexibility in safety circuit design, catering to a wide range of safety applications up to Category 2 as per EN 954-1 standards.
Constructed with a robust design, the Moeller ESR4-NO-31 is suitable for harsh industrial environments, maintaining reliable operation and contributing to the overall safety and compliance of your machinery. Its straightforward installation process and LED indicators for power and channel status make it user-friendly and easy to monitor.
Incorporate the Moeller ESR4-NO-31 Safety Relay into your safety system to ensure a high level of protection for both your machinery and personnel.
| Specification | Description |
|---|---|
| Part Number | ESR4-NO-31 |
| Alternative Part Number | ESR4NO31 |
| Manufacturer | Moeller |
| Voltage | 115 V ac |
| Dimensions | 22.5 x 114 x 99 mm |
| Function | Safety Relay |
| Application | Designed for monitoring emergency stop and safety door applications in industrial environments |
| Mounting | DIN rail mountable |
| Output Contacts | 3 enabling current paths (NO), 1 signalling current path (NC) |
| Frequency | 50 Hz - 60 Hz |
| Operating Temperature | -25 to +55 °C ambient temperature |
| Storage Temperature | -25 to +75 °C |
| Weight | Approximately 0.20 kg to 0.25 kg depending on configuration |
| Protection Class | Housing/Terminals: IP 40/IP 20 |
| Compliance | IEC/EN 60947, VDE 0660, IEC/EN 60255, UL, CSA, EN 954-1 |
What is the purpose of the ESR4-NO-31 safety relay?
The ESR4-NO-31 safety relay is designed for monitoring emergency stop applications and safety doors. It ensures that machines and processes operate within safety parameters and helps to protect personnel and equipment by initiating an immediate stop in case of an emergency.
Can this safety relay be used for single-channel emergency stop monitoring?
Yes, the ESR4-NO-31 is suitable for single-channel emergency stop monitoring, providing a reliable solution for safety applications up to safety category 2 and stop category 0.
What are the voltage requirements for the ESR4-NO-31?
The ESR4-NO-31 safety relay operates with a rated voltage of 24 V AC/DC, making it versatile for use in various control circuit configurations.
How can I mount the ESR4-NO-31 safety relay?
The ESR4-NO-31 is designed for easy mounting onto a standard DIN rail, which simplifies installation and maintenance within electrical cabinets.
Does the ESR4-NO-31 have LED indicators?
Yes, the ESR4-NO-31 is equipped with green LED indicators for power and channel status, providing visual confirmation of the operating state and simplifying troubleshooting.
What type of contacts does the ESR4-NO-31 have?
The ESR4-NO-31 features 3 enabling current paths with positively driven contacts (NO) and 1 signalling current path (NC), ensuring reliable switching and signalling for safety functions.
Is the ESR4-NO-31 safety relay suitable for use in a protective housing?
Yes, the ESR4-NO-31 should be installed in a control cabinet with a minimum protection class of IP54 to ensure adequate protection against environmental factors.
What is the significance of the feedback loop in the ESR4-NO-31?
The feedback loop in the ESR4-NO-31 is used to monitor external contactors, ensuring that the safety function is maintained and that the contactors are functioning correctly as part of the safety system.
Can the ESR4-NO-31 be used for automatic start applications?
Yes, the ESR4-NO-31 can be configured for automatic start applications, allowing for flexibility in how the safety system is activated.
What should be done before activating the reset button on the ESR4-NO-31?
Before activating the reset button on the ESR4-NO-31, it is important to ensure that the emergency stop chain is closed and that the system is ready to be restarted safely.
- Monitoring emergency stop circuits in industrial machinery
- Safety monitoring for protective doors on equipment
- Single-channel safety control for light curtains
- Control of safety mats in hazardous areas
- Two-hand control stations for press and assembly operations
- Expansion of safety functions in existing control systems
- Integration into safety systems for automated production lines
- Ensuring safe operational conditions for robotic work cells
- Providing safety interlock for process control systems
- Use in packaging machines with safety requirements
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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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
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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!
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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.
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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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