S134 – Emergency disconnect switch up to 160 V  DCS135 – Emergency disconnect switch up to 320 V DC
S134 – Emergency disconnect switch up to 160 V  DCContactorsRequest
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S135 – Emergency disconnect switch up to 320 V DCContactorsRequest
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Series S143 S135
Type of voltage DC DC
Main contacts, configuration 1 x NC 1 x or 2 x NC
Nominal voltage Un 100 V 300 V
Rated insulation voltage Ui 160 V 320 V
Rated impulse withstand voltage Uimp 4 kV bei PD3 4 kV
Conv. thermal current Ith 250 A 160 A
Permissible inrush current 1,500 A 720 A at resistive load
Rated operating current Ie 24 V DC, L/R=15 ms: 300 A, 80 V DC, L/R=15 ms: 250 A
Max. breaking capacity 24 V DC, L/R=15 ms: 1,200 A, 80 V DC, L/R=15 ms: 1,000 A
Mechanical endurance > 30,000 operating cycles > 30,000 operating cycles
IP rating (IEC 60529) IP00 IP00
Mounting orientation any any
Terminals screw-type M8, M10 screw-type M8 or M10
Aux. contact S840, S870, S826