Celec S-50 Handbuch für die Installation vor Ort - Seite 5

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Use this instruction

If 200 Amp circuit breaker is available in customer Main Breaker Panel.

S-50 is designed for use with Main Breaker Panel Three Phase 208V AC WYE/Delta

Connection, up to 1600 Ampere.

S-50 unit should be mounted with four appropriate sized fasteners before connect to

Main Breaker Panel.

1.1 Power Connections

1.11 Using panel key open the door of S-50 exposing connections.

1.12 Locate Earth Terminal in S-50, connect the earth wire to S-50 Earth Terminal. Connect the other

side of earth wire to main breaker panel ground rod. Ensure all mechanical connections are secure

and making full contact.

1.13 Locate existing 3 Pole 200 Amp Circuit Breaker in the Main Breaker Panel.

Connect the wire L1 to Phase 1 of 200 Amp circuit breaker.

(b) Connect the wire L2 to Phase 2 of 200 Amp circuit breaker.

1.14 Qualified Representative must inspect size of cable minimum 3/0 AWG.

1.15 Connect power cables to BUS BAR of S-50.

1.2 Current Sensor Connections

1.21 Open one side of Split CT (Current Sensor). Clip the CT on the wire L3 before main Circuit

Breaker Panel.

1.22 Locate Terminal Block T2 (S1-S2) in S-50.

1.23 Qualified Representative line side of Main Panel should connect the wires 18-22 AWG from external

CT to T2 (S1-S2), preferably twisted together.

1.24 Firmly secure current sensor to line side (L3) of main circuit breaker.

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Field Installation Manual

Connection Type # 1