ST 61

  • Metal enclosure
  • Double insulated
  • 3 cable entries M20 x 1.5
  • Wiring compartment
  • Long life
  • High level of contact reliability with low voltages and currents
  • Gold-plated contacts available on request
  • Ex version available
Note
  • The actuator is not included in the delivery of the switches

Technical data

Applied standards EN ISO 13849-1, EN 60947-5-1, EN ISO 14119
Enclosure aluminium die-cast, powder-coated
Actuator stainless steel 1.4301
Switch type type 2
Coding level low coding
Degree of protection IP 65 to IEC/EN 60529
B10d (10 % load) 2 million
TM max. 20 years
Contact material silver
Switching system slow action, positive break NC contacts
Switching elements 1 NC/1 NO contact or 2 NC contacts, type Zb
Connection screw connection terminals
Cable cross-section max. 2.5 mm² (incl. conductor ferrules)
Cable entry 3 x M20 x 1.5
Rated impulse withstand voltage Uimp 6 kV
Rated operating isolation voltage Ui 400 V
Conventional thermal current Ithe ST 61 1Ö/1S: 16 A; ST 61 2Ö: 6 A
Rated operating current/voltage Ie/Ue ST 61 1Ö/1S: 16 A/400 VAC
ST 61 2Ö: 6 A/400 VAC
Utilisation category AC-15
Short-circuit protection ST 61 1Ö/1S: 16 A gG/gN fuse
ST 61 2Ö: 6 A gG/gN fuse
Operation cycles max. 1800/h
Positive break travel 10 mm
Mechanical life > 1 million operations
Ambient temperature –20 °C … +80 °C
Approvals

Ordering details

Slow action, 1 NC/1 NO contact

Type   Material no.  
Type    Material no.   
ST 61 1Ö/1S stock type Standard versions, in stock or available at short notice 1047846
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Slow action, 2 NC contacts

Type   Material no.  
Type    Material no.   
ST 61 2Ö 1047979
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Actuators

Type   Material no.  
Type    Material no.   
Straight actuator ST 61-B1 stock type Standard versions, in stock or available at short notice 1471527
Type   Material no.  
Type    Material no.   
Angled actuator ST 61-B5 stock type Standard versions, in stock or available at short notice 1471643