Safety switch with separate actuator
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
The actuator is not included in the delivery of the switches
Technical data
General 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
IP67 (IEC/EN 60529)
B10d (10 % load)
2 million
TM
max. 20 years
Contact material
silver
Switching system
slow action, positive break NC contacts A
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
a
Downloads
Variants / Options
The following variants / options are available on request:
Actuator head can be repositioned in factory by 4 x 90°
