Description
Phoenix Contact PSR-ESA4 Safety Relay
The Phoenix Contact PSR-ESA4 is an industrial safety relay used in machine safety circuits. It is designed to monitor safety devices such as emergency-stop switches and safety-door interlocks, helping safety control systems respond when a monitored condition requires the machine to stop.
The uploaded product image shows the yellow Phoenix Contact safety relay housing with screw-terminal connections and front status indicators. The visible PSR-ESA4 marking identifies the product family, but the complete part number should be checked to confirm its exact electrical and output configuration.
Key Product Details
– **Brand:** Phoenix Contact
– **Product family:** PSR safety relays
– **Visible model marking:** PSR-ESA4
– **Product type:** Industrial safety relay
– **Typical applications:** Emergency-stop circuits and safety-door monitoring
– **Mounting:** DIN-rail installation, depending on the exact model
– **Category:** Circuit Protection & Distribution > Contactors & Control Relays
Phoenix Contact documentation for the PSR-ESA4 family describes two-channel safety monitoring, manually monitored or automatic activation, and safety performance up to Category 4 / PL e and SIL 3 for specified configurations. These ratings must be confirmed against the exact part number and the complete safety system design.
Main Functions
Emergency-Stop Monitoring
A compatible safety relay can monitor emergency-stop devices and switch its safety outputs when the monitored circuit is activated.
Safety-Door Monitoring
The relay can be used with suitable safety-door switches to monitor access to hazardous machinery. Correct wiring and configuration are essential for the required safety level.
Safety Status Indicators
The front indicators provide operating and relay-status information to assist with installation and troubleshooting. Refer to the model-specific manual to interpret each indicator.
Industrial Control Integration
Terminal connections allow the relay to interface with compatible safety devices, reset circuits and downstream contactors as specified in the manufacturer’s wiring diagrams.
Typical Applications
Depending on the exact model and safety-system design, applications may include:
– Industrial machinery safety circuits
– Emergency-stop systems
– Safety-door and guard monitoring
– Manufacturing and production equipment
– Industrial automation control panels
– Machine interlocking systems
Selecting the Correct Safety Relay
Safety relays are not interchangeable solely because they share a similar appearance. Before ordering, verify the complete part number, control voltage, number of safety outputs, reset mode, terminal type and required safety ratings.
Installation, wiring and validation should be performed by qualified personnel using the manufacturer’s instructions and the applicable machine-safety standards.
Buy Phoenix Contact Safety Relays in the UAE
Dynavation Star Electrical Fittings Trading LLC supplies electrical and industrial automation components to customers across the UAE. Contact the team to confirm the exact PSR-ESA4 variant, technical documentation, compatibility, pricing and availability.
**Contact Dynavation Star on WhatsApp for the latest price and availability.**
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