SM2X1102 Lovato front mount auxiliary contact 2nc

Why Choose the SM2X1102?

Designed for reliable signalling and interlocking, the Lovato SM2X1102 add-on auxiliary contact delivers two normally closed outputs in a compact, front‑mount format. Purpose-built for SM2R... and SM3R... devices, this 2NC accessory is quick to fit and easy to integrate. With a rated insulation voltage Ui of 250 V and an impulse withstand Uimp of 4 kV, it supports robust industrial control.

Built for durability, SM2X1102 achieves 100000 mechanical cycles and weighs just 20 g. It operates from -20 to +70 °C, stores down to -50 °C and suits installations up to 3000 m altitude. Terminal screws are secured to 1 to 1 Nm. Conformity to IEC/EN 60947-1, IEC/EN 60947-5-1, UL508 and CSA C22.2 n° 14, plus sustainability certification, underpins dependable performance.

Key Benefits

• Front-mount 2NC design adds auxiliary contacts without enlarging footprint.
• Compatible with SM2R... and SM3R... series for straightforward integration.
• Rated insulation voltage 250 V and 4 kV impulse withstand.
• Proven durability with 100000 mechanical operating cycles.
• Operates from -20 to +70 °C for demanding environments.
• Lightweight 20 g construction simplifies handling and installation.
• Complies with IEC/EN 60947, UL508 and CSA standards.

Technical Specification

• Product type designation: SM2X
• Rated insulation voltage Ui (IEC/EN): 250 V
• Rated impulse withstand voltage Uimp: 4 kV
• Terminal tightening torque: 1 to 1 Nm
• Weight: 20 g
• Mechanical life: 100000 cycles
• Operating temperature: -20 to +70 °C
• Storage temperature: -50 to +80 °C
• Max altitude: 3000 m

What’s Included

• SM2X1102 add-on auxiliary contact unit
• Front-mount installation instructions
• Protective manufacturer packaging

Applications

• Adding 2NC auxiliary signalling to SM2R and SM3R series devices
• Interlocking and permissive circuits using normally closed contacts
• Control and indication circuits within 250 V insulation limits
• Industrial control panels across -20 to +70 °C environments
• Installations up to 3000 m altitude

Safety note: Install only by qualified personnel. Isolate power before work, tighten terminals to 1 to 1 Nm, and observe the stated voltage, temperature and altitude limits.