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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 5SY6301-7 |
| Alternative Part Number | 5SY63017 |
| Manufacturer | Siemens |
| Type | Miniature circuit breaker |
| Voltage Rating | 400 V |
| Interrupting Capacity | 6 kA |
| Number of Poles | 3-pole |
| Tripping Characteristic | Type C |
| Current Rating | 1 A |
| Dimensions | Depth = 70 mm |
| Pollution Degree | 3 |
| Ambient Temperature Range | -25 … +55 °C (operating), -40 … +75 °C (storage) |
| Power Supply Cord Position | Any |
| Mechanical Operating Cycles | Typically 20,000 |
| Overvoltage Category | 3 |
| Touch Protection | Yes |
| Shock Resistance | 150 m/s² at 11 ms half-sine |
| Insulation Voltage | Rated value 440 V with multi-phase operation |
| Connectable Conductor Cross-Section | Solid: 0.75 … 35 mm², Stranded: 0.75 … 35 mm², Finely Stranded with wire end processing: 0.75 … 25 mm² |
| Terminal Type | Combined terminal top and bottom |
| Tightening Torque | Screw-type terminals: 2.5 … 3 N·m, Screw connection: 22 … 26 lbf·in |
| Product Features | Sealable, Main switch capability as per EN 60204-1, Silicon-free, Halogen-free |
| Environmental Testing | 6 test cycles in accordance with IEC 60068-2-30 |
| Reference Code | According to DIN EN 61346-2 F |
| Commodity Code | 853620 |
The Siemens 5SY6301-7 is a high-quality miniature circuit breaker designed to provide reliable overcurrent protection in a variety of applications. Engineered for performance, this 3-pole breaker is rated at 400V with a 6kA interrupting capacity, ensuring robust protection for electrical circuits. Its C tripping characteristic allows for a precise response to overcurrent conditions, making it suitable for commercial and industrial installations.
With a compact design featuring a depth of 70 mm, the 5SY6301-7 is an excellent choice for space-constrained environments. It is built to accommodate a rated current of 1A, which is ideal for circuits with lower current demands. The device's quick assembly system facilitates easy installation, while its touch protection feature ensures enhanced safety during operation.
This circuit breaker is also characterised by its versatility, being suitable for use with both alternating current (AC) and direct current (DC) systems. Its mechanical endurance is notable, with a typical mechanical operating life of 10,000 cycles, signifying its durability and long-term reliability.
The 5SY6301-7 is constructed with materials that are halogen-free, contributing to a safer environment by reducing the risk of toxic gas emissions in the event of a fire. Additionally, the breaker is sealable, providing an extra layer of security against unauthorised adjustments.
Overall, the Siemens 5SY6301-7 miniature circuit breaker is a dependable and efficient solution for safeguarding electrical systems against overcurrents, ensuring both safety and continuity of service in a wide range of settings.
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Frequently Asked Questions
What type of circuit breaker is this?
This is a miniature circuit breaker designed for protecting electrical circuits from overcurrents and short circuits. It features a 3-pole configuration with a C tripping characteristic and a rated current of 1A.
Can this circuit breaker be used with both AC and DC voltages?
Yes, this circuit breaker is suitable for both AC and DC applications. It has a rated supply voltage of 400V for AC and a rated switching capacity current of 30kA according to IEC 60947-2 for AC and 15kA for DC.
What is the breaking capacity of this circuit breaker?
The breaking capacity, or short-circuit current rating, is 6kA according to EN 60898 for AC and 10kA for DC in accordance with EN 60898-2.
What is the tripping characteristic of this circuit breaker?
The tripping characteristic of this circuit breaker is class C, which means it is designed to trip at current levels between 5 to 10 times its rated current, making it suitable for commercial and industrial applications with moderate inrush currents.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 90mm in height, 54mm in width, and 76mm in depth, with a mounting depth of 70mm.
How is this circuit breaker mounted?
This circuit breaker utilises a quick assembly system, allowing for easy installation in a variety of mounting positions.
What is the significance of the 'D=70 mm' in the product description?
The 'D=70 mm' refers to the depth of the circuit breaker, indicating that it has a mounting depth of 70mm, which is the required space for installation within an electrical panel or enclosure.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
