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SMARTE Messtechnik für Gleichstrom – Spannung – Kabel – Isolation

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EKS 8 - voltage limiter devices
EKS 8 - voltage-limiters-device

WITT EscS 6 EKS 8

independently resettable voltage limiter devices

SKU: 315-00000 Categories: Class 4 VLD, voltage limiting device
  • Description
  • Additional information

Description

Application

In the case of direct current, the danger of possible stray currents must be prevented by the direct connection of the
of the return conductors with the water ground must be prevented. Stray currents would buildings,
buildings, bridges and other metallic (electrically conductive) equipment and plant components through
damage due to corrosion. Dangers also arise from impermissibly high
touch voltages. One of the measures for protecting people from impermissible
voltages is the temporary short-circuit, which is used in various grounding systems.
according to DIN EN 50122-1 (VDE 0115 Part 3).

Description

The WITT EscS 6 (EKS8) is a self-resetting earthing short-circuiter according to DIN
VDE 0115 part 300 and part 320. Can be parameterized and used for monitoring
of voltage differences between return conductor and water earth. The combination
of antiparallel thyristors and a power contactor guarantees a low switching time and a high
low switching time, as well as a high current carrying capacity.
This earthing short-circuiter has a particularly compact design.

Function

When the entered voltage curve is exceeded, the earth short-circuiter responds
i.e. after the switch-on criteria have been met, the thyristors are triggered simultaneously and the contactor is switched.
the contactor is switched. The thyristors switch in some microseconds, the contactor has
a closing time of approx. 90 ms. With the ignition of the thyristors the voltage collapses to a few volts.
to a few volts. The thyristors remain fired until the contactor closes
has been detected by the position of the auxiliary contacts of the contactor. After that the
thyristors are cleared. Thus the contactor takes over the load.

Additional information

Zulassungen

Witt

Normen

DIN EN 50121-05, DIN EN 50122-01, DIN EN 50122-02, DIN EN 50123-01, DIN EN 50163, DIN EN 50526-02

Einschaltvermögen (Inss)

10 kA / 50 ms

DC Fahrspannung (UA)

Witt

Hilfsspannung (1)

110 V DC, 240 VAC / 50 Hz, 24VDC, 48VDC, 60VDC

Hilfsspannung (2)

110 V AC / 60 Hz, 110 V DC, 230 V DC, 240 VAC / 50 Hz, 24VDC, 48 V DC, 60VDC, No

SCADA drahtlose Kommunikation

No

SCADA Kommunikationsprotokoll

No

Bedienelemente

Witt

Gehäuseart

Control cabinet stainless steel, Plastic case

Schutzart nach DIN EN 60529

Witt, Witt

Aussenfarbe

Witt

Hilfsspannung gepuffert

No

Dokumentationsart

digital, Paper

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