Relay Specialties, Inc. - Carlo Gavazzi - Products - Safety Modules

SMS20, SMS31 Series - Modules for Safety Gates and Safety Magnetic Sensors (with 2 NC contacts)

The SMS20 and SMS31 safety modules are designed in Category 4, Performance Level e in accordance with the Machine Directive EN ISO 13849-1 to monitor and control safely the safety circuits in applications with emergency stops, safety gates, safety magnetic switches, safety limit switches and electromechanical interlocks.

They are also used to control safely the safety circuits of the lift car levelling and the lift pit inspection, in compliance with the Lifts Standards EN81-20 and EN81-50.

Features

Multiple types inputs. The safety modules can monitor the safety state of several types of inputs: E-stop, E-gate, limit switches, non-contact switches

Machinery Directive compliance. Cat. 4, PL e in accordance with EN ISO 13849-1

Lift Directive compliance. EN81-20 and EN81-50 standards

Multiple operating modes. The modules can operate with automatic, manual or monitored manual start/reset

Safety outputs. Electromechanical forcibly guided safety relays with 3NO+1NC aux outputs (SMS31) or 2NO outputs (SMS20)

Flexible wiring. The modules are equipped with detachable screw terminals for easy wiring and product maintenance; the terminal blocks are coded so to avoid wiring mistakes

Diagnostic. LED indications for power supply, state of the safety inputs and state of the safety outputs

Compact. 1-DIN, W x H x D: 17,5 x 110,8 x 121,1mm

Approval by TÜV. CE, cULus

Documents and Downloads

Document	File Type	File Size	Download
SMS20, SMS31 Series Datasheet	PDF	1.4 MB