STW81V
12380-0710-00
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12 Maintenance and servicing
STW81V is maintenance free. If necessary, check regularly to make sure the unit is working.
13 Technical data
Control voltage Us:
DC/AC 24 – 240 V 0/50/60 Hz
Tolerance
DC 20,4 - 297 V
AC 20 - 264 V
Power consumption
< 2 W
< 6 VA
Relay outputs K1...K9
9 x 1 switching contact
Switching voltage
max 300 V AC; 300 V DC
Normally open (NO) inrush current
AC 15 A 4s 10% ED
Minimum values Voltage/current
12 V 10 mA
Conventional thermal current Ith
max 5A
Total current through terminal 15
max 5A
Switching capacity max AC cos φ = 1
1500 VA
Switching capacity max DC (ohmic)
0.3 A 300 V; 0.4 A 120 V; 0.8 A 60 V; 5 A 30 V
Electrical contact life cos φ = 1
cos φ = 1 -> 5 x 105 switching cycles at 250 V / 2 A
Durability of mechanical contact
3 x 107 switching cycles
Short circuit resistance (NO)
Short circuit resistance (NC)
4 A slow action or LS switch B4 3.15 A slow action
Capacity Utilization category
AC-15.
Ie = 3 A
Ue = 250 V
Nominal operating current Nominal
operating voltage
DC-13
DC-13
DC-13.
Ie = 2 A Ie
= 0,4 A
Ie = 0.2 A
Ue = 24 V Ue =
120 V
Ue = 240 V
Transducer connection
Connectable transducers
1 STWA1(H) transducer or potential free contact, or 1 S1
current sensor per channel.
AC internal resistance
ca. 15kΩ
Overload capacity STWA1(H)
max 100A continuous, max 300A for 10s
Voltage U
Parameters
17 … 21V;
max 120mA at 230V Us (max 8x current sensor S1) max 10mA
at 24V Us (max 0x current sensor S1)
Testing conditions
EN 61010-1
Rated withstand surge voltage
4000V
Overvoltage category
III
Degree of contamination
2
Rated insulation voltage Ui
300V
Work cycle
100%
EMC tests
EN 61326-1 industrial environment
Interference emission
EN 61326-1; CISPR 11 Class B
Interference immunity
EN 61326-1 industrial environment
Rapid transient disturbances/impacts
EN 61000-4-4 ±4.5 kV
pulses 5/50 ns, f = 5 kHz, t = 15 ms, T = 300 ms
High energy surge voltage (SURGE)
IEC 61000-4-5 ±2 kV
Environmental conditions
Permissible ambient temperature
-20 °C ... +65°C
Permissible storage temperature
-20 °C …+70 °C
