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WL Power Circuit Breakers Communication Information General MOLDED CASE CIRCUIT BREAKERS 7 7-150 Siemens Industry, Inc. SPEEDFAX Product Catalog

WL Power Circuit Breakers Electronic Trip Units General Trip Unit Functions Basic Protective Functions ETU745 ETU748 ETU776 Long-time overcurrent protection L l l l Short-time delayed overcurrent protection S l l l Instantaneous overcurrent protection I l l l Neutral conductor protection N l l l Ground fault protection G u u u Additional Functions Selectable neutral protection l l l Defeatable short-time protection l — l Defeatable instantaneous protection l — l Selectable thermal memory l l l Zone selective interlocking l l l Selectable I2t or fixed short-time delay l l l Adjustable instantaneous pick-up l — l Selectable I2t or I4t long-time delay l l l Adjustable short-time delay and pick-up l l l Selectable and adjustable neutral protection l l l Dual protective setting capability — — l Dynamic arc-flash sentry — — l Extended instantaneous protection l l l Parameterization and Displays Parameterization by rotary switches (10 steps) l l — Parameterization by communication (absolute values) — l l Parameterization by menu/keypad (absolute values) — — l Remote parameterization of the basic functions — — l Remote parameterization of the additional functions — — l Alphanumeric LCD u u — Graphical LCD — — l Metering Function Metering function u u u Metering function Plus u u u Communication CubicleBUS l l l Communication via PROFIBUS-DP u u u Communication via the MODBUS u u u Communication via the Ethernet (BDA) u u u l Standard — Not available u Optional 7 MOLDED CASE CIRCUIT BREAKERS Siemens Industry, Inc. SPEEDFAX Product Catalog 7-151

WL Power Circuit Breakers<br />

Communication Information<br />

General<br />

MOLDED CASE<br />

CIRCUIT BREAKERS<br />

7<br />

7-150<br />

Siemens Industry, Inc. SPEEDFAX Product Catalog

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