ST 98

  • Metal enclosure
  • Mounting details to EN 50041
  • Wiring compartment
  • Actuator head can be repositioned in factory by 4 x 90°
  • 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 67 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, 2 NC, 2 NC/1 NO or 1 NC/2 NO contacts, type Zb
Connection screw connection terminals
Cable cross-section 2 contacts: max. 2.5 mm², 3 contacts: max. 1.5 mm² (incl. conductor ferrules)
Cable entry 1 x M20 x 1.5
Rated impulse withstand voltage Uimp 4 kV
Rated insulation voltage Ui 400 V
Conventional thermal current Ithe 2 contacts: 6 A, 3 contacts: 1.5 A
Rated operating current/voltage Ie/Ue 2 contacts:
6 A/250 VAC; 0.25 A/230 VDC
3 contacts:
1.5 A/230 VAC; 0.27 A/250 VDC
Utilisation category AC-15; DC-13
Short-circuit protection 2 contacts: 6 A gG/gN fuse,
3 contacts: 1.5 A gG/gN fuse
Operation cycles max. 1800/h
Positive break travel 8.3 mm
Ambient temperature –20 °C … +80 °C
Mechanical life > 1 million operations
Approvals

Ordering details

Slow action, 1 NC/1 NO contact

Type   Material no.  
Type    Material no.   
ST 98-11 on request Produced to order.
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 98-02 on request Produced to order.
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/1 NO contact

Type   Material no.  
Type    Material no.   
ST 98-12 1224002

Slow action, 1 NC/2 NO contact

Type   Material no.  
Type    Material no.   
ST 98-21 1406923

Actuators

Straight actuators

Type   Material no.  
Type    Material no.   
Straight actuator ST 98/99-B1 1451618
Type    Material no.   
Straight actuator ST 98/99-B1 with rubber 1451736

Angled actuators

Type   Material no.  
Type    Material no.   
Angled actuator ST 98/99-B5 1451863

Flexible actuators

Type   Material no.  
Type    Material no.   
Flexible actuator ST 98/99-B6 1451865

Accessories

Lockout tag SZ 16/335
  • To prevent inadvertent closing, e. g. during maintenance by preventing actuation of the switch
Slot sealing plug AZ 355
  • For protection against the ingress of coarse dirt
  • Quantity required: 3 per switch