ST 98

  • Metal enclosure
  • Mounting details to EN 50041
  • Wiring compartment
  • Actuator 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

StandardsEN ISO 13849-1; EN 60947-5-1; EN ISO 14119
Enclosurealuminium die-cast, powder-coated
Actuatorstainless steel 1.4301
Switch typetype 2
Coding levellow coding
Degree of protectionIP 67 to IEC/EN 60529
Contact materialsilver
Switching systemslow action, positive break NC contacts
Switching elements1 NC/1 NO, 2 NC, 2 NC/1 NO or 1 NC/2 NO contacts, type Zb
Connectionscrew connection terminals
Cable cross-section2 contacts: max. 2.5 mm², 3 contacts: max. 1.5 mm² (incl. conductor ferrules)
Cable entry1 x M20 x 1.5
B10d (10 % Load)2 million
TMmax. 20 years
Uimp4 kV
Ui400 V
Ithe2 contacts: 6 A, 3 contacts: 1.5 A
Ie/Ue2 contacts:
6 A/250 VAC; 0.25 A/230 VDC
3 contacts:
1.5 A/230 VAC; 0.27 A/250 VDC
Utilisation categoryAC-15; DC-13
Max. fuse rating2 contacts: 6 A gG/gN fuse,
3 contacts: 1.5 A gG/gN fuse
Operation cycles1800/h
Positive break travel8.3 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.
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.
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 stock type Standard versions, in stock or available at short notice 1224002
Order now
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Slow action

1 NC/2 NO contact

Type   Material no.  
Type    Material no.   
ST 98-21 1406923
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Actuators

Straight actuators

Type   Material no.  
Type    Material no.   
Straight actuator ST 98/99-B1 stock type Standard versions, in stock or available at short notice 1451618
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Type    Material no.   
Straight actuator ST 98/99-B1 with rubber stock type Standard versions, in stock or available at short notice 1451736
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Angled actuators

Type   Material no.  
Type    Material no.   
Angled actuator ST 98/99-B5 stock type Standard versions, in stock or available at short notice 1451863
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Flexible actuators

Type   Material no.  
Type    Material no.   
Flexible actuator ST 98/99-B6 stock type Standard versions, in stock or available at short notice 1451865
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Accessories

Lockout tag SZ 16/335
  • To prevent inadvertent closing, e. g. during maintenance by preventing actuation of the switch
Slot sealing plug AZ 335/355-1990
  • Quantity required: 3 per switch, ordering unit: 10 pieces
  • For protection against the ingress of coarse dirt