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testeqe

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Arizona

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Description:

AVO International/Megger/Multi-Amp EPOCH-20 High Current Output Unit for PULSAR and EPOCH-10 Systems

The unit is guaranteed to work.

The Unit's Serial Number Tag Reads:
Model Number: EPOCH-20
Serial Number: 101100-001/2

Key Features:
# 600 VA of high current
# Completely compatible with PULSAR and EPOCH-10, protective relay test equipment
# Accurate test results
# Up to 187 Amperes maximum output

Description:
The EPOCH-20 is a high-current output unit designed to be controlled by the PULSAR in combination with the High-Current Interface Module to produce a rugged, portable, high-current, high-volt/ampere test set.

The EPOCH-20 also can be controlled by the EPOCH-10 Relay Test Set.

PULSAR/EPOCH-20 or EPOCH-10/EPOCH-20 combination uses microprocessor-based, digitally synthesized sine wave generators and solid-state regulated power amplifiers to provide sinusoidal voltage and current outputs with precise control of the phase angle relationships.

These combinations will produce accurate test results even with a fluctuating power source or when testing nonlinear or highly saturable relays.

An optional IEEE-488 interface transforms the EPOCH-10/EPOCH-20 combination into a programmable automatic test system when used with an external controller or computer. Amplitude and/or phase angle can be set to desired values, step-changed, ramped or pulsed to new values.

Applications:
The PULSAR/EPOCH-20 or EPOCH-10/EPOCH-20 combination is designed to test both complex protective relays which require phase-shifting capability and simpler relays, including all overcurrent relays.

Features and Benefits:
Each EPOCH-20 incorporates many standard features to reduce set-up time, simplify test procedures and increase accuracy.

# The EPOCH-20 is completely compatible with PULSAR via the High-Current Interface Module and the EPOCH-10.
# Output high-current source has a 3-minute duty cycle rating at 600 volt-amperes.
# Numerous protective circuits are incorporated, including thermal protection of the power amplifiers and overvoltage protection for the input circuit.
# Tough polyethylene plastic, sealed enclosure provides high shock and vibration resistance. Rubber sealed lids protect the test set from water and dust intrusion.
# To simulate the worst of field conditions, the EPOCH-20 has been tested and qualified in accordance with MIL-STD-810 for temperature, shock and vibration.