Miniature circuit breakers offer effective protection through safe disconnection in the event of an overload and short-circuit.
The new 5SL miniature circuit breaker is intended for use up to 6 kA.
It can be used as main switches for the disconnection or isolation of plants. They are also suitable for the quick and easy mounting of additional components, such as auxiliary switches and fault signal contacts.
To facilitate cable entry, the devices are equipped with square terminals for the joint accommodation of pin busbars with cables from 0.75 to 35 mm2. The rated current range is between 0.3 and 63 A. The 5SL miniature circuit breakers are available in characteristics B and C.
This entire range of devices is suitable for all industrial applications, as well as all applications in non-residential and residential buildings, thus providing you with the right device for every application.
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Miniature circuit breakers offer effective protection through safe disconnection in the event of an overload and short-circuit.
The new 5SL miniature circuit breaker is intended for use up to 6 kA.
It can be used as main switches for the disconnection or isolation of plants. They are also suitable for the quick and easy mounting of additional components, such as auxiliary switches and fault signal contacts.
To facilitate cable entry, the devices are equipped with square terminals for the joint accommodation of pin busbars with cables from 0.75 to 35 mm2. The rated current range is between 0.3 and 63 A. The 5SL miniature circuit breakers are available in characteristics B and C.
This entire range of devices is suitable for all industrial applications, as well as all applications in non-residential and residential buildings, thus providing you with the right device for every application.
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For industrial applications and in plant engineering, miniature circuit breakers can be supplemented with additional components, such as auxiliary switches, fault signal contacts, shunt trips, undervoltage releases, remote controlled mechanisms and RC units.
The devices are approved for worldwide use according to IEC standards for systems up to 250/440 V AC. 60 V DC per pole is permitted in DC systems.
For industrial applications and in plant engineering, miniature circuit breakers can be supplemented with additional components, such as auxiliary switches, fault signal contacts, shunt trips, undervoltage releases, remote controlled mechanisms and RC units.
The devices are approved for worldwide use according to IEC standards for systems up to 250/440 V AC. 60 V DC per pole is permitted in DC systems.
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Miniature circuit breakers with plug-in terminals are used for the protection of socket outlets and lighting circuits with the most common rated currents of 10 to 20 A.
The plug-in terminals offer angled, screwless outgoing terminals for fast connection of conductors, easily accessible cable entries for manual insertion, which saves mounting time, requires no tools and ensures high operating safety.
Miniature circuit breakers with plug-in terminals are used for the protection of socket outlets and lighting circuits with the most common rated currents of 10 to 20 A.
The plug-in terminals offer angled, screwless outgoing terminals for fast connection of conductors, easily accessible cable entries for manual insertion, which saves mounting time, requires no tools and ensures high operating safety.
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These miniature circuit breakers are used for the protection of plants with switched neutral conductors in distribution boards with little space. They are just a single modular width.
Compact busbars facilitate installation in space saving distribution boards.
The devices are approved for worldwide use according to IEC standards for systems up to 250 V AC. 60 V DC per pole is permitted in DC systems according to IEC standards.
These miniature circuit breakers are used for the protection of plants with switched neutral conductors in distribution boards with little space. They are just a single modular width.
Compact busbars facilitate installation in space saving distribution boards.
The devices are approved for worldwide use according to IEC standards for systems up to 250 V AC. 60 V DC per pole is permitted in DC systems according to IEC standards.
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They can be used globally for all applications in residential, non-residential and industrial buildings. This facilitates the planning of plants and enhances export opportunities. In particular, they are also approved for the protection of electrical circuits in heating, ventilating and cooling systems (HVAC), as well as for DC applications up to 60 V/125 V in the area of telecommunication applications.
The devices can be used according to IEC/EN 60898 and UL 489, which means these devices can be installed anywhere in the world. This means that the devices are approved for use according to both standards.
The terminals are suitable for "field wiring". This means that the devices can be installed not only in factory-finished distribution boards and control cabinets, but also on-site in a customer system.
They can be used globally for all applications in residential, non-residential and industrial buildings. This facilitates the planning of plants and enhances export opportunities. In particular, they are also approved for the protection of electrical circuits in heating, ventilating and cooling systems (HVAC), as well as for DC applications up to 60 V/125 V in the area of telecommunication applications.
The devices can be used according to IEC/EN 60898 and UL 489, which means these devices can be installed anywhere in the world. This means that the devices are approved for use according to both standards.
The terminals are suitable for "field wiring". This means that the devices can be installed not only in factory-finished distribution boards and control cabinets, but also on-site in a customer system.
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Selective main miniature circuit breakers are used as circuit breakers at meter panels or as group miniature circuit breakers in distribution board applications.
Characteristic E is adapted to the special application requirements for cascade circuits between melting fuses and miniature circuit breakers.
Selective main miniature circuit breakers are used as circuit breakers at meter panels or as group miniature circuit breakers in distribution board applications.
Characteristic E is adapted to the special application requirements for cascade circuits between melting fuses and miniature circuit breakers.
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Circuit breaker terminals are used for short-circuit protection or for protection against overloading and short-circuiting in auxiliary and control circuits after control transformers. All terminals are designed for 2 wires. The terminal block labeling accessories are used for inscription.
Device versions with integral auxiliary switch (AS) signal the contact position
Circuit breaker terminals are used for short-circuit protection or for protection against overloading and short-circuiting in auxiliary and control circuits after control transformers. All terminals are designed for 2 wires. The terminal block labeling accessories are used for inscription.
Device versions with integral auxiliary switch (AS) signal the contact position
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Using this mounting concept, all additional 5ST3 components can be combined with miniature circuit breakers of the 5SY, 5SP4 and 5SP5 series.
The auxiliary switch (AS) signals the contact position. In the event of a fault, the fault signal contact (FC) signals the automatic tripping of the miniature circuit breaker and the contact position.
Undervoltage releases are integrated in an EMERGENCY STOP loop, thus ensuring that the miniature circuit breaker trips in the event of an emergency, which in turn ensures disconnection of the control circuit according to EN 60204. In the event that the voltage is interrupted or too low, it also trips, i.e. prevents the miniature circuit breaker from switching on.
Shunt trips are used for the remote tripping of miniature circuit breakers.
Remote controlled mechanisms are used for the remote ON/OFF switching of miniature circuit breakers and the remote ON switching of RC units. Remote controlled mechanisms also enable local manual switching. A blocking function permits maintenance work. In the event that a miniature circuit breaker or RC unit is tripped, an acknowledgment must be carried out prior to switching back on.
The remote controlled mechanism (RC)has an operating mode selector switch with the functions: "Locked", "Manual" and "Remote switching". The mechanism can be mechanically latched and locked, which serves to protect personnel during maintenance work.
Using this mounting concept, all additional 5ST3 components can be combined with miniature circuit breakers of the 5SY, 5SP4 and 5SP5 series.
The auxiliary switch (AS) signals the contact position. In the event of a fault, the fault signal contact (FC) signals the automatic tripping of the miniature circuit breaker and the contact position.
Undervoltage releases are integrated in an EMERGENCY STOP loop, thus ensuring that the miniature circuit breaker trips in the event of an emergency, which in turn ensures disconnection of the control circuit according to EN 60204. In the event that the voltage is interrupted or too low, it also trips, i.e. prevents the miniature circuit breaker from switching on.
Shunt trips are used for the remote tripping of miniature circuit breakers.
Remote controlled mechanisms are used for the remote ON/OFF switching of miniature circuit breakers and the remote ON switching of RC units. Remote controlled mechanisms also enable local manual switching. A blocking function permits maintenance work. In the event that a miniature circuit breaker or RC unit is tripped, an acknowledgment must be carried out prior to switching back on.
The remote controlled mechanism (RC)has an operating mode selector switch with the functions: "Locked", "Manual" and "Remote switching". The mechanism can be mechanically latched and locked, which serves to protect personnel during maintenance work.
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