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Specifications
Specification | Description |
---|---|
Part Number | 5SY4363-7 |
Alternative Part Number | 5SY43637 |
Manufacturer | Siemens |
Type | Miniature Circuit Breaker |
Operation Mechanism | Toggle |
Number of Poles | 3 Poles |
Voltage Rating | 400 V ac |
Interrupt Rating | 10 kA |
Current Rating | 63 A |
Dimensions | 54 x 76 x 90 mm |
Pollution Degree | 3 |
Ambient Temperature Range | -25 … +55 °C (operating), -40 … +75 °C (storage) |
Mounting Position | Any |
Mechanical Operating Cycles | Typical 20,000 cycles |
Overvoltage Category | 3 |
Touch Protection | Yes |
Shock Resistance | 150m/s² at 11ms half-sine (according to IEC 60068-2-27) |
Insulation Voltage | Rated value 440 V ac (with multi-phase operation) |
Wire Connection | 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 | 2.5 … 3 N·m (screw-type terminals), 22 … 26 lbf·in (screw connection) |
Product Features | Sealable, silicon-free, halogen-free |
Environmental Testing | 6 test cycles (in accordance with IEC 60068-2-30) |
Designation | According to DIN EN 61346-2 F |
Commodity Code | 853620 |
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5SY4363-7 Product Description
The Siemens 5SY4363-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection in a variety of applications. Engineered for use in commercial and industrial environments, this three-pole breaker is rated for 400 V ac and can handle a short-circuit breaking capacity of 10 kA, ensuring a high level of safety and performance. With a current rating of 63 A, it is well-suited for systems with higher power demands.
The compact dimensions of 54 x 76 x 90 mm make it an excellent choice for installations where space is at a premium, without compromising on protection capabilities. The device features a toggle switch for easy operation and a quick assembly system for efficient installation. It is designed to be sealable, halogen-free, and silicon-free, meeting stringent environmental standards and ensuring it is a sustainable choice for modern electrical setups.
The 5SY4363-7 is characterised by its C tripping curve, making it ideal for protecting circuits with moderate inrush currents, such as lighting circuits and general power distribution. Its mechanical and electrical endurance is tested rigorously to provide a reliable solution that maintains circuit integrity under challenging conditions.
This miniature circuit breaker is a testament to Siemens' commitment to quality, safety, and innovation, offering a dependable solution for protecting electrical circuits against overload and short-circuit conditions.
Frequently Asked Questions
What type of device is this?
This is a miniature circuit breaker designed to protect electrical circuits from damage caused by overcurrent or short circuit.
What are the electrical specifications of this circuit breaker?
The circuit breaker is rated for 400 V ac with a 10 kA interrupting capacity and a 63 A current rating.
How many poles does this circuit breaker have?
It is a 3-pole circuit breaker, suitable for three-phase applications.
Can this circuit breaker be used as a main switch in accordance with EN 60204-1?
Yes, this product has properties that make it suitable for use as a main switch in accordance with EN 60204-1.
What is the ambient temperature range for operating this circuit breaker?
The circuit breaker can operate within an ambient temperature range of -25°C to +55°C.
Is this circuit breaker sealable?
Yes, the circuit breaker features a sealable design for added security.
What is the degree of pollution for this circuit breaker?
The circuit breaker has a degree of pollution rating of 3.
What is the insulation voltage rating for this circuit breaker?
The insulation voltage rating with multi-phase operation and AC is 440 V.
Is the circuit breaker halogen-free?
Yes, it is halogen-free, making it suitable for environments where avoiding halogenated compounds is important.
What is the mechanical operating life of this circuit breaker?
The mechanical operating life of the circuit breaker is typically 20,000 cycles.
What type of terminals does this circuit breaker have?
It comes with combined terminals at both the top and bottom for flexible installation options.
What is the tightening torque for the screw-type terminals?
The tightening torque for the screw-type terminals is between 2.5 and 3 N·m.
Does this circuit breaker provide touch protection?
Yes, it is equipped with touch-protection features to enhance safety during use.
What is the resistance against shock for this circuit breaker?
The circuit breaker can withstand shocks according to IEC 60068-2-27 with a resistance of 150m/s² at an 11ms half-sine.