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Schmersal 24V DC Safety Relay with 2 Safety Contacts and 1 Auxiliary Contact, Automatic Reset, DIN Rail Mounting SRB-E-402ST
Specifications
| Country of Origin | Germany |
|---|---|
| Power Consumption | 3.6W |
| Brand | Schmersal |
| Height | 98mm |
| Length | 22.5mm |
| Model | SRB-E-402ST |
| IP Rating | IP20, IP54, IP40 |
| Width | 115mm |
| Mount Type | DIN Rail |
| Series | SRB-E |
| Maximum Operating Temperature | 60°C |
| Time Delay | 150 ms |
| Minimum Operating Temperature | -25°C |
| Safety Category | 4 |
| Reset Method | Automatic |
| Coil Voltage | 24V dc |
| Switching DC Voltage | 24V dc |
| Switching AC Voltage | 230V ac |
| Contact Current | 6A |
| Safety Contacts | 2 |
| Number of Auxiliary Contacts | 1 |
Key Features
- Equipped with 2 safety contacts and 1 auxiliary contact for reliable safety circuit management.
- Automatic reset method enhances operational convenience.
- DIN rail mounting allows for standardized installation.
- Low power consumption of 3.6W ensures energy-efficient operation.
- Supports an operating temperature range from -25°C to 60°C for demanding environments.
- IP20, IP40, and IP54 ratings ensure protection against dust and water splashes in mounting spaces.
- Complies with major safety and industrial standards including EN 60947-5-1, IEC 61508, and ISO 13849-1.
- Compact dimensions with Height 98mm, Width 115mm, and Length 22.5mm.
Product Description
Schmersal SRB-E-402ST is a 24V DC safety relay engineered to manage sensor and safety devices in industrial machinery, delivering fast fault response to short circuits and wire breaks. Designed for high reliability, it features 2 safety contacts and 1 auxiliary contact with silver-nickel material that ensures corrosion resistance and stable conductivity.
The device includes an automatic reset function for ease of use and is mounted on a DIN rail, facilitating efficient installation.
Its ventilated housing prevents overheating while the thermoplastic glass fibre reinforced casing provides durability against heat and mechanical impact. The compact design measures 98mm in height, 115mm width, and 22.5mm length, making it suitable for control panels with limited space.
Certified to meet international safety standards such as EN 60947-5-1, IEC 61508, and EN ISO 13849-1, the SRB-E-402ST operates effectively in temperature ranges from -25°C to 60°C. It offers IP20, IP40, and IP54 protection ratings over its sensitive and mounting areas ensuring resistance against dust and water splashes.
The relay is ideal for industrial applications in food processing equipment and automotive production lines where reliable safety monitoring is critical. Equipped with two safety contacts and one auxiliary contact for comprehensive safety circuit control.
Automatic reset enhances operational efficiency and reduces downtime. Durable thermoplastic housing provides impact and heat resistance for harsh environments. Compact form factor supports integration in complex industrial setups.
Compliance with multiple international safety standards guarantees reliable performance. Six LED indicators allow clear monitoring of operating status and troubleshooting. Energy-efficient consumption at only 3.6W power usage.
Widely applicable in industrial, manufacturing, automotive, and food processing sectors. Manufactured in Germany, ensuring high quality and precision engineering. Explore the broad range of industrial Safety Relays and automation control products available at EnvMart for seamless integration into your safety systems.
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Frequently Asked Questions
The power consumption of this safety relay is 3.6W, ensuring energy-efficient operation.
This model has a height of 98mm, a width of 115mm, and a length of 22.5mm, making it compact for installation in control panels.
The SRB-E-402ST operates effectively within a temperature range of -25°C to 60°C, suitable for demanding environments.
It is equipped with 2 safety contacts and 1 auxiliary contact for comprehensive safety circuit management.
The relay is designed for DIN rail mounting, facilitating standardized installation in various applications.
This safety relay has IP20, IP40, and IP54 ratings, providing protection against dust and water splashes in mounting spaces.
The SRB-E-402ST features an automatic reset method, enhancing operational convenience and reducing downtime.
It complies with major safety and industrial standards including EN 60947-5-1, IEC 61508, and ISO 13849-1.
The contact current rating for the safety contacts is 6A, suitable for various industrial applications.
This model has a time delay of 150 ms, allowing for quick fault response in safety circuits.
It supports switching DC voltage of 24V and AC voltage of 230V, making it versatile for different applications.
This safety relay is manufactured in Germany, ensuring high quality and precision engineering.
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