Lovato SM1X15110R is an undervoltage trip release accessory designed to integrate with SM1R… devices. Operating at 110VAC 50Hz or 120VAC 60Hz, it features early‑make 2NO contacts to support timely circuit functions. With the SM1X product designation, this compact unit offers reliable performance for control and protection schemes where undervoltage actuation and dependable auxiliary contact operation are required.
Built for demanding panels, the SM1X15110R carries Ui 690 V and Uimp 4 kV, with a mechanical life of 100000 cycles. It operates from -20 to +60 °C, stores down to -50 °C, and is rated to 3000 m altitude. Conformity includes IEC/EN 60947-1, IEC/EN 60947-5-1, UL508 and CSA C22.2 n° 14, with sustainability certification.
Key Benefits
Early‑make 2NO contacts for dependable auxiliary operation.
Compatible accessory for the SM1R… range.
Operates on 110VAC 50Hz or 120VAC 60Hz supplies.
High insulation rating Ui 690 V for enhanced protection.
4 kV impulse withstand voltage resists transient peaks.
Wide operating temperature -20 to +60 °C.
Mechanical life rated to 100000 cycles.
Compliant with IEC/EN 60947, UL508 and CSA standards.
Systems built to IEC/EN 60947, UL508 and CSA requirements
Technical Specifications
HS Code
85362010
Product type designation
SM1X
Rated insulation voltage Ui (IEC/EN)
690 V
Rated impulse withstand voltage Uimp
4 kV
Terminal tightening torque
1 to 1 Nm
Weight
130 g
Mechanical life
100000 cycles
Operating temperature
-20 to +60 °C
Storage temperature
-50 to +80 °C
Max altitude
3000 m
Frequently Asked Questions
Which devices is the SM1X15110R compatible with?
It is an undervoltage trip release accessory for SM1R… devices.
What supply voltage and frequency does it require?
It operates at 110VAC 50Hz or 120VAC 60Hz.
What is the contact configuration?
It has 2NO early‑make contacts.
What are its key electrical and environmental ratings?
Ui 690 V, Uimp 4 kV; operating temperature -20 to +60 °C and max altitude 3000 m.
Which standards does it conform to?
It complies with IEC/EN 60947-1, IEC/EN 60947-5-1, UL508 and CSA C22.2 n° 14.
Safety note: Install and commission only by qualified personnel. Isolate power before wiring and use within the specified voltage, temperature and altitude limits, following applicable standards and manufacturer instructions.
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.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
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...