Square D Digest 179

V125 Arc Flash Protection Relays

V125 Protection Relays

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V125 Arc Flash Protection Solutions

Critical infrastructure depends heavily on an uninterrupted supply of electric power. Arc flash protection devices help accomplish this and are used to improve safety and mitigate equipment damage. Schneider Electric is the pioneer in the field of arc flash protection with close to 50,000 arc flash systems and 600,000 sensors in service worldwide. The V125 arc flash protection module can detect an arc flash event in as little as 2 milliseconds and send a control command to an interrupting device. It can accommodate up to four (4) point sensors and has a wide range 24 to 240 volt ac or dc power supply. It can be DIN rail mounted or door mounted and is easily set via DIP switches.

V125 Arc Flash Protection Unit

Table 5.12: V125 Arc Flash Protection Units Description Cortec Type

Catalog Number REL52900 REL52806 REL52803 REL52901 REL52828 REL52829

Note

Arc flash protection unit Arc Sensor — Shielded Arc Sensor — Shielded Door mount bracket

V125

Cable length 6 m Cable length 20 m

VA1DA-6S VA1DA-20S

For V125 Z-shaped L-shaped

Surface Mounting Plate for Sensors Surface Mounting Plate for Sensors I/O unit 3 phase current 1 trip contact, ring lug connections

VYX001 VYX002

VAM4CSE-RL

V125 Arc Flash Protection Unit with Optional REL52901 Door Mount Bracket

REL52901 Door Mount Bracket

5 PROTECTION, CONTROL, AND ENERGYAUTOMATION

VAM4CSERL current module

VYX001 Surface Mounting Plate for sensors

VYX002 Surface Mounting Plate for sensors

Arc Flash point sensor TypeVA1D

5-9

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