The Lovato SRCES20S is a compact safety relay module designed for reliable monitoring and switching of safety circuits in industrial automation systems. Featuring 2 normally open (NO) safety outputs and spring-clamp push-in terminals, this relay provides a practical solution for emergency stop and machine protection applications.
As part of the Lovato SRC series safety relay range, the SRCES20S is a single-function safety module designed for emergency stop applications. Its compact DIN rail mounting format, 24 V AC/DC auxiliary supply and safety-certified architecture make it suitable for integration into modern machine safety systems.
The 2NO forcibly guided safety contacts provide dependable switching of safety circuits, while the spring-clamp terminal design allows fast and secure wiring during installation and maintenance. The unit is suitable for safety applications up to Category 4 and Performance Level e according to EN ISO 13849-1.
Key Advantages
Reliable safety relay solution for industrial automation systems.
2NO safety outputs for emergency stop and protective device switching.
Spring-clamp push-in terminals for efficient panel wiring.
24 V AC/DC auxiliary supply compatible with industrial control systems.
Designed for safety applications up to Category 4, Performance Level e.
Compact DIN rail mounting design for control cabinets.
Key Features
Lovato SRC series safety relay.
Single-function emergency stop safety relay.
2 normally open safety contacts.
Spring-clamp push-in terminal connection.
24 V AC/DC auxiliary supply.
Short-circuit protection with PTC device.
Forced-guided relay contacts for safety applications.
35 mm DIN rail mounting.
Reliable Safety Control for Industrial Automation
Safety relays such as the Lovato SRCES20S provide an essential interface between emergency stop devices, safety switches and machine control systems, helping ensure hazardous equipment can be safely monitored and disconnected when required.
The combination of dual safety outputs, compact design and certified safety performance makes the SRCES20S suitable for industrial machinery where dependable protective functions are required.
Typical Applications
Emergency stop circuits.
Machine guard safety systems.
Industrial automation equipment.
Robotic cells and automated production lines.
Packaging and processing machinery.
OEM machine safety installations.
Technical Specifications
HS Code
85044090
Manufacturer
Lovato Electric
Series
SRC
Model
SRCES20S
Product type
Safety relay
Function
Emergency stop monitoring
Safety outputs
2NO
Auxiliary supply voltage
24 V AC/DC
Terminal type
Spring-clamp push-in terminals
Mounting type
35 mm DIN rail mounting
Protection rating
IP40 front / IP20 terminals
Safety category
Category 4
Performance level
PL e according to EN ISO 13849-1
Mechanical life
10,000,000 operations
Operating temperature
-20 °C to +55 °C
Frequently Asked Questions
What is the Lovato SRCES20S used for?
The Lovato SRCES20S is a safety relay used to monitor emergency stop circuits and control safety functions in industrial machinery.
How many safety outputs does the SRCES20S have?
The SRCES20S features 2 normally open safety outputs for switching safety circuits.
What supply voltage does the SRCES20S require?
The safety relay operates with a 24 V AC/DC auxiliary supply.
What type of terminals does the SRCES20S use?
The SRCES20S uses spring-clamp push-in terminals for quick and reliable electrical connections.
What safety level does the SRCES20S support?
The SRCES20S is designed for safety applications up to Category 4 and Performance Level e according to EN ISO 13849-1.
Trusted by Industrial Automation Professionals
Lovato SRC safety relays provide dependable machine protection solutions for automation engineers and OEM manufacturers requiring reliable industrial safety control.
HS Code
85044090
Manufacturer
Lovato Electric
Series
SRC
Model
SRCES20S
Product type
Safety relay
Function
Emergency stop monitoring
Safety outputs
2NO
Auxiliary supply voltage
24 V AC/DC
Terminal type
Spring-clamp push-in terminals
Mounting type
35 mm DIN rail mounting
Protection rating
IP40 front / IP20 terminals
Safety category
Category 4
Performance level
PL e according to EN ISO 13849-1
Mechanical life
10,000,000 operations
Operating temperature
-20 °C to +55 °C
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
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Customers supported
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...