![background image](http://html1.mh-extra.com/html/vamp/221/221_operation-and-configuration-instructions-technical-description_3325850023.webp)
VAMP Ltd
Arc protection system
Operation and configuration instructions
VAMP 221
VM221.EN013
VAMP 24h support phone : +358 (0)20 753 3264
23
11.
I/O unit trip relay activated
12.
Terminal block for external communication and BI/O
channels and trip signal
13.
Indicator leds for current setting
2.2.5.
Multiplying relay VAR 4CE – front plate
1
2
3
4
4
4
4
VAR4CE
Figure 2.2.5-1 Multiplying relay VAR 4CE
1.
POWER LED, indicates that the external operating
voltage of +24 Vdc is connected.
2.
Terminals for external operating voltage (+24 Vdc). Can
be supplied by central units or I/O units.
3.
Terminals for incoming trip signal (external dry contact).
4.
Terminals for outgoing trip signals (four potential-free
contacts, normally open).