3VT8550-1AA03-0AA0

Product Description

Home / Circuit Protection / Siemens / 3VT8 MCCB Need Siemens 3VT8550-1AA03-0AA0? Molded case circuit breaker for Low-voltage power distribution. Supplied with full traceability and documentation. Request... Price & Availability Classified as a molded case circuit breaker, it is positioned as a direct replacement and service part for existing installations. It is intended for use within Low-voltage power distribution, where dependable operation and a precise fit are essential to keeping the plant running. Listed as Active, it is offered as a maintained and verified spare that supports the continued operation of the installed base. Key technical specifications include: The Poles is 3. Its Rated current is rated at 500 A. For reference, the Trip unit type is Thermal-magnetic. The Breaking capacity Icu is 35 kA. Its Rated insulation voltage Ui is rated at 690 - 1000 V (per source). For reference, the Mounting is Fixed. The Operation is Manual. Its Standards is rated at IEC 60947-2 / IEC 947, GB 14048. Notable features of this unit: Thermal-magnetic trip unit. Fixed, manual operation. 35 kA short-circuit breaking capacity. Modular accessory system. Typical applications include Industrial power distribution, Commercial building main and sub-distribution, Motor and line protection. It is compatible with or cross-references Distribution switchboards. Equivalent / cross-reference designation: IEC 60947-2. Within industrial automation and process-control environments, components of this type are relied upon to keep critical equipment operating safely and efficiently. They are typically specified where uptime, repeatability and a predictable maintenance cycle matter more than upfront cost. A molded case circuit breaker such as this one forms part of a larger machine or system, so correct identification and fitment directly affect the performance and safety of the whole installation. Siemens parts are widely used across power generation, manufacturing, oil and gas, water and process industries, where engineering teams standardise on proven series to simplify spares planning. When selecting a replacement, confirm the exact model designation and verify that the mechanical and electrical interface matches the unit currently installed. Cross-checking the order code, mounting style and connection type against the existing device helps avoid compatibility issues and unplanned downtime during a maintenance window. Where several variants exist, the suffix often defines voltage, range or firmware, so it should be matched precisely rather than approximated. This item is offered from our active stock of current and discontinued industrial parts. Each listing is verified against the manufacturer designation before shipment so you receive the correct part for your application. Availability and lead time vary by item; our team can confirm the fastest option for your required quantity and provide a formal quotation on request. Common questions: Regarding "What is the rated current of 3VT8550-1AA03-0AA0": It is rated 500 A in a 3-pole configuration with a thermal-magnetic trip unit. Regarding "What is the breaking capacity": The 3VT8-630 version provides a 35 kA short-circuit breaking capacity (Icu). Please contact us to confirm current pricing, availability and delivery for your required quantity; volume and project pricing are available on request. The Siemens 3VT8550-1AA03-0AA0 is a molded case circuit breaker. Basic Product Information Fixed, manual operation 35 kA short-circuit breaking capacity Modular accessory system Thermal-magnetic trip unit Technical Specifications Version & Model Difference ['3VT8 series covers 16A - 630A frames', 'N / H / L breaking-capacity classes available', 'Thermal-magnetic and electronic trip units offered'] Application Scenarios Industrial power distribution Commercial building main and sub-distribution Motor and line protection What is the breaking capacity? The 3VT8-630 version provides a 35 kA short-circuit breaking capacity (Icu). Is it fixed or withdrawable? This variant is fixed and manually operated. Which standard applies? It conforms to IEC 60947-2 (and IEC 947 / GB 14048 per sources). What is the rated current of 3VT8550-1AA03-0AA0? It is rated 500 A in a 3-pole configuration with a thermal-magnetic trip unit. Siemens 6ES7214-1BH50-0XB0 PLC CPU (Type-1) Siemens 6ES7231-4HF50-0XB0 Analog Input Module Siemens 6ES7231-5PD50-0XB0 Analog RTD Module Siemens 6ES7231-5QF50-0XB0 Analog TC Module (S7-1200) Siemens 6ES7233-4HF50-0XB0 Analog IO Module (SM 1234) Siemens 6ES7216-2BD23-0XB0 PLC CPU (Type-2) Siemens 6ES7223-1BH22-0XA0 PLC IO Module (Type-1) Siemens 6ES7223-5PH50-0XB0 PLC IO Module (Type-2)