VAMP Ltd Overcurrent and earth-fault relay
Operation and Configuration
VAMP 130
VM130.EN003 Vamp 24h support phone : +358 (0)40 573 6316
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1. General
This part of the manual describes the general functions of the
combined overcurrent and earth-fault relay VAMP 130 and
includes the relay operation instructions. It also includes
instructions on parameterisation and configuration of the relay
and instructions on changing of settings.
The second part of the publication includes detailed protection
function descriptions as well as application examples and
technical data sheets.
The Mounting and Operation Instructions are published in a
separate publication, code named VMMC.EN0xx.
Document history:
VM130.EN001 First revision
VM130.EN002 Added ordering code
1.1. Relay features
The combined overcurrent and earth-fault relay VAMP 130 is a
non-directional current measuring protection relay for over-
current, short-circuit and earth-fault protection. It features the
following protection functions:
• Three overcurrent stages
• Two earth-fault stages
• One sensitive earth-fault stage
• Current unbalance stage
• Thermal overload stage
• Circuit breaker failure protection
Further the relay includes a disturbance recorder.
1.2. Operating safety
The terminals on the rear panel of the relay may
carry dangerous voltages, although the auxiliary
voltage is switched off. A live current transformer
secondary circuit must not be opened.
Disconnecting a live circuit may cause dangerous
voltages! Any operational measure must be carried
out according to national and local handling
directives and instructions.
Carefully read through the relay operation instructions before
any relay operational measures are carried out.
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