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Rated Current (In) | 16 A to 1600 A |
---|---|
Type/Model | Sentron 3VA |
Category | Circuit breakers |
Rated Voltage (Ue) | Up to 690V AC |
Poles | 1, 2, 3, 4 |
Trip Unit Type | Thermal-magnetic, Electronic |
Standards | IEC 60947-2 |
Protection Functions | Overload, Short-circuit, Ground fault |
Mounting Type | Fixed, Plug-in |
Explains the system of safety notices and their grading by danger level.
Defines qualified personnel for operating the product/system safely.
Notes on using Siemens products correctly and safely.
Lists registered trademarks of Siemens AG and other trademarks.
States the publisher's commitment to consistency and potential variances.
Describes the manual's scope, focusing on 3VA UL molded case circuit breakers.
Details the scope of validity and target audience for the manual.
Provides an overview of 3VA molded case circuit breakers and their applications.
Highlights ergonomic design features of 3VA UL molded case circuit breakers.
Covers technical details including breaker identification, operation, and current limitation.
Outlines standards and guidelines met by 3VA UL molded case circuit breakers.
Explains the protection system of 3VA UL molded case circuit breakers.
Details the thermal-magnetic trip unit (TMTU) and its application cases.
Describes the electronic trip unit (ETU) and its functions.
Details applications of 3VA UL molded case circuit breakers in line protection.
Explains the use of 3VA UL molded case circuit breakers as motor circuit protectors.
Describes the application of 3VA UL molded case circuit breakers as molded case switches.
Covers the use of 3VA UL molded case circuit breakers in DC systems.
Details the use of 3VA UL molded case circuit breakers in IT systems per IEC 60947-2.
Provides an overview of the comprehensive range of accessories available.
Details internal accessories like auxiliary switches, releases, and communication modules.
Explains the connection technology for 3VA UL molded case circuit breakers.
Covers plug-in and draw-out technology for quick replacement and service.
Describes various manual operators for circuit breaker control.
Details the MO320 motor operator for remote control of circuit breakers.
Explains methods for locking, blocking, and interlocking circuit breakers.
Covers communication capabilities and system integration of 3VA UL breakers.
Details the EFB300 external function box for expanding breaker functions.
Explains the MMB300 maintenance mode box for improved protection during maintenance.
Describes test devices (TD300, TD500) for local testing of electronic trip units.
Details the external current transformer for neutral conductor protection.
Explains the function and types of cover frames for circuit breakers.
General notes on qualified personnel and maintenance categories.
Provides recommended maintenance and inspection intervals for circuit breakers.
Outlines maintenance steps after a circuit breaker trip event.
Offers guidance on diagnosing and rectifying common faults.
Presents circuit diagrams for basic units and accessories.
Provides dimensional drawings for basic units and accessories.
Details power losses for 3VA5 and 3VA6 molded case circuit breakers.
Explains derating factors for 3VA5, 3VA6, and MCS, considering ambient conditions.
Lists international standards and approvals met by the circuit breakers.
Provides guidelines for handling electrostatic sensitive devices to prevent damage.
Lists abbreviations and their meanings used throughout the document.
Offers conversion tables for units of length, weight, temperature, and torque.