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General| Brand | Siemens |
|---|---|
| Model | ETU745 |
| Category | Circuit breakers |
| Language | English |
Highlights key features like frame sizes, 100% rating, high efficiency, and modular trip units.
Details where WL breakers are used, emphasizing mission-critical applications and benefits.
Explains compliance with UL/CSA 489 and UL 1066 standards for product listings.
Identifies external components such as secondary contacts, charging handle, and operator panel.
Details internal components like closing coil, auxiliary switch, and electronic trip unit.
Illustrates standard cradle and cradle accessory components for draw-out breakers.
Compares features and characteristics across ETU745, ETU748, and ETU776 models.
Explains CubicleBus network and converters (PROFIBUS, Modbus, Ethernet) for data transmission.
Details measured values and accuracy for the ETU's power metering capabilities.
Lists alarm set-point functions and protective relay functions with their setting ranges.
Describes the ground fault module for detecting hazardous currents and its installation.
Covers optional key lock for OPEN position and the non-resettable operation counter.
Explains auxiliary contacts for interlocking and BSS for monitoring breaker status.
Details shunt trip for instant opening and undervoltage release for automatic breaker opening.
Covers external connection terminals and shutters for protecting exposed contacts.
Provides a breakdown of how the catalog number is structured for WL circuit breakers.
Presents frame ratings, interrupting currents, and catalog numbers for UL489 breakers.
Details frame ratings, interrupting currents, and catalog numbers for UL 1066 breakers.
Lists breaking capacity and short-time current for non-automatic switches.
Provides detailed dimensional drawings for UL489 fixed-mount breaker frame sizes.
Presents dimensional drawings for UL489 draw-out breaker frame sizes and features.
Offers dimensional drawings for UL 1066 draw-out non-fused and fused breaker frame sizes.
Lists catalog numbers for ETU trip units and corresponding rating plugs.
Details accessories for cradle frames, including disconnect terminals and MOC/TOC.
Provides catalog numbers for 3-phase and single-phase metering CTs.
Lists various accessories like shunt trip coils, undervoltage releases, and springs.
Details modules for communication, I/O, cables, and external devices.
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