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MCBs - Miniature Circuit Breakers | Type B, C & D MCBs | Circuit Protection & Circuit Breakers

New items

5SY4332-8, Siemens

Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic Automatic cut-out, 1, 2, 3 and 4-pole DIN rail assembly For use in industry, and in the functional and residential construction sector Voltage rating: 230 V / 400 VAC250 V / 440 VAC AC, 60 VDC / pole Suppression rating: 10 kA Installation depth: 70 mm Siemens RCDs, RCBOs, RCCBs and MCBs Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making it suitable for circuits with moderate inrush currents such as filament lamps, heating loads and most domestic/small building protection applications.,Type C characteristic offers short circuit response of 5-10 x normal rated current, making it ideal for circuits with higher inrush currents such as motor control and fluorescent lighting installations in industrial buildings where nuisance tripping might occur if a faster type was used. Type D characteristic is designed for high inrush loads. Magnetic trip point - 10 to 20 times In rating. Thermal trip point - 1.13 to 1.45 protector rating. Type AC characteristic ensure tripping for sinusoidal, alternating currents, whether they be quickly applied or slowly to increase.

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New items

5SY4216-8, Siemens

Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic Automatic cut-out, 1, 2, 3 and 4-pole DIN rail assembly For use in industry, and in the functional and residential construction sector Voltage rating: 230 V / 400 VAC250 V / 440 VAC AC, 60 VDC / pole Suppression rating: 10 kA Installation depth: 70 mm Siemens RCDs, RCBOs, RCCBs and MCBs Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making it suitable for circuits with moderate inrush currents such as filament lamps, heating loads and most domestic/small building protection applications.,Type C characteristic offers short circuit response of 5-10 x normal rated current, making it ideal for circuits with higher inrush currents such as motor control and fluorescent lighting installations in industrial buildings where nuisance tripping might occur if a faster type was used. Type D characteristic is designed for high inrush loads. Magnetic trip point - 10 to 20 times In rating. Thermal trip point - 1.13 to 1.45 protector rating. Type AC characteristic ensure tripping for sinusoidal, alternating currents, whether they be quickly applied or slowly to increase.

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New items

5SY4202-7, Siemens

Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic Automatic cut-out, 1, 2, 3 and 4-pole DIN rail assembly For use in industry, and in the functional and residential construction sector Voltage rating: 230 V / 400 VAC250 V / 440 VAC AC, 60 VDC / pole Suppression rating: 10 kA Installation depth: 70 mm Siemens RCDs, RCBOs, RCCBs and MCBs Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making it suitable for circuits with moderate inrush currents such as filament lamps, heating loads and most domestic/small building protection applications.,Type C characteristic offers short circuit response of 5-10 x normal rated current, making it ideal for circuits with higher inrush currents such as motor control and fluorescent lighting installations in industrial buildings where nuisance tripping might occur if a faster type was used. Type D characteristic is designed for high inrush loads. Magnetic trip point - 10 to 20 times In rating. Thermal trip point - 1.13 to 1.45 protector rating. Type AC characteristic ensure tripping for sinusoidal, alternating currents, whether they be quickly applied or slowly to increase.

Product Detail

New items

5SY4204-7, Siemens

Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic Automatic cut-out, 1, 2, 3 and 4-pole DIN rail assembly For use in industry, and in the functional and residential construction sector Voltage rating: 230 V / 400 VAC250 V / 440 VAC AC, 60 VDC / pole Suppression rating: 10 kA Installation depth: 70 mm Siemens RCDs, RCBOs, RCCBs and MCBs Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making it suitable for circuits with moderate inrush currents such as filament lamps, heating loads and most domestic/small building protection applications.,Type C characteristic offers short circuit response of 5-10 x normal rated current, making it ideal for circuits with higher inrush currents such as motor control and fluorescent lighting installations in industrial buildings where nuisance tripping might occur if a faster type was used. Type D characteristic is designed for high inrush loads. Magnetic trip point - 10 to 20 times In rating. Thermal trip point - 1.13 to 1.45 protector rating. Type AC characteristic ensure tripping for sinusoidal, alternating currents, whether they be quickly applied or slowly to increase.

Product Detail

New items

5SY4310-7, Siemens

Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic Automatic cut-out, 1, 2, 3 and 4-pole DIN rail assembly For use in industry, and in the functional and residential construction sector Voltage rating: 230 V / 400 VAC250 V / 440 VAC AC, 60 VDC / pole Suppression rating: 10 kA Installation depth: 70 mm Siemens RCDs, RCBOs, RCCBs and MCBs Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making it suitable for circuits with moderate inrush currents such as filament lamps, heating loads and most domestic/small building protection applications.,Type C characteristic offers short circuit response of 5-10 x normal rated current, making it ideal for circuits with higher inrush currents such as motor control and fluorescent lighting installations in industrial buildings where nuisance tripping might occur if a faster type was used. Type D characteristic is designed for high inrush loads. Magnetic trip point - 10 to 20 times In rating. Thermal trip point - 1.13 to 1.45 protector rating. Type AC characteristic ensure tripping for sinusoidal, alternating currents, whether they be quickly applied or slowly to increase.

Product Detail

New items

5SY4220-7, Siemens

Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic Automatic cut-out, 1, 2, 3 and 4-pole DIN rail assembly For use in industry, and in the functional and residential construction sector Voltage rating: 230 V / 400 VAC250 V / 440 VAC AC, 60 VDC / pole Suppression rating: 10 kA Installation depth: 70 mm Siemens RCDs, RCBOs, RCCBs and MCBs Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making it suitable for circuits with moderate inrush currents such as filament lamps, heating loads and most domestic/small building protection applications.,Type C characteristic offers short circuit response of 5-10 x normal rated current, making it ideal for circuits with higher inrush currents such as motor control and fluorescent lighting installations in industrial buildings where nuisance tripping might occur if a faster type was used. Type D characteristic is designed for high inrush loads. Magnetic trip point - 10 to 20 times In rating. Thermal trip point - 1.13 to 1.45 protector rating. Type AC characteristic ensure tripping for sinusoidal, alternating currents, whether they be quickly applied or slowly to increase.

Product Detail

New items

5SY4206-7, Siemens

Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic Automatic cut-out, 1, 2, 3 and 4-pole DIN rail assembly For use in industry, and in the functional and residential construction sector Voltage rating: 230 V / 400 VAC250 V / 440 VAC AC, 60 VDC / pole Suppression rating: 10 kA Installation depth: 70 mm Siemens RCDs, RCBOs, RCCBs and MCBs Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making it suitable for circuits with moderate inrush currents such as filament lamps, heating loads and most domestic/small building protection applications.,Type C characteristic offers short circuit response of 5-10 x normal rated current, making it ideal for circuits with higher inrush currents such as motor control and fluorescent lighting installations in industrial buildings where nuisance tripping might occur if a faster type was used. Type D characteristic is designed for high inrush loads. Magnetic trip point - 10 to 20 times In rating. Thermal trip point - 1.13 to 1.45 protector rating. Type AC characteristic ensure tripping for sinusoidal, alternating currents, whether they be quickly applied or slowly to increase.

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New items

5SY4103-7, Siemens

Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic Miniature circuit breakers from Siemens, offer the highest quality and reliability. The excellent technical properties of the devices mean you are always on the safe side. Apart from that you benefit from the innovative mounting options which enable quick and easy installation. The miniature circuit breakers from Siemens can be combined as required with a wide range of supplementary components e.g. control current switches, fault signal contacts, shunt releases, under voltage releases, remote operating mechanisms or with RCCB units to provide protection for persons and against fire. Features and Benefits Automatic cut-out, 1, 2,3 and 4-pole DIN rail assembly For use in industry, and in the functional and residential construction sector Supports fast and convenient removal from the assembly Standards IEC 60898 - Relates to Low Voltage Circuit Breakers for use in household and similar Installations. In the UK traditionally known as miniature circuit breakers (MCBs). Q: What is the differences in the Tripping Curves B, C, and D? A: Curve B: Tripping: 3 to 5 times the rated current. Applications: protection of generators, persons, very long cables Curve C: Tripping: 5 to 10 times the rated current Applications: protection of circuits and general applications Curve D: Tripping: 10 to 14 times the rated current Applications: protection of high surge circuits, welders, transformers and motors Voltage rating: 230 V / 400 VAC250 V / 440 VAC AC, 60 VDC / pole Suppression rating: 10 kA Installation depth: 70 mm Standards EN 60898; DIN VDE 0641; part 11; IEC 60898 Siemens RCDs, RCBOs, RCCBs and MCBs Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making i...

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New items

5SY4106-7, Siemens

Stratum 400 MCBs Professional range of 5SY4 series miniature circuit breakers from Siemens. These circuit breakers have type C characteristics that offer short circuit responses and provides protection at a supply voltage of 400 V. The breaking capacity in the event of short-circuit current is 10 kA. The 5SY4 series circuit breakers are available with either 1 or 3 pole and can be used in industrial applications. All models are highly reliable and excellent quality. Terminal Capacity: 35 mm square (Solid and stranded - Upper and Lower Terminal); 25 mm square (Finely stranded with end sleeves - Upper and Lower Terminal)IP Rating: IP20 (according to DIN 40 050); IP40 (When mounted in distribution boards)Standards Standards: EN 60898; DIN VDE 0641; Part 11; IEC 60898Standards EN 60898; DIN VDE 0641; Part 11; IEC 60898Siemens RCDs, RCBOs, RCCBs and MCBs Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making it suitable for circuits with moderate inrush currents such as filament lamps, heating loads and most domestic/small building protection applications.,Type C characteristic offers short circuit response of 5-10 x normal rated current, making it ideal for circuits with higher inrush currents such as motor control and fluorescent lighting installations in industrial buildings where nuisance tripping might occur if a faster type was used. Type D characteristic is designed for high inrush loads. Magnetic trip point - 10 to 20 times In rating. Thermal trip point - 1.13to 1.45 protector rating. Type AC characteristic ensure tripping for sinusoidal, alternating currents, whether they be quickly applied or slowly to increase.

Product Detail

New items

5SY41027, Siemens

Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic Automatic cut-out, 1, 2, 3 and 4-pole DIN rail assembly For use in industry, and in the functional and residential construction sector Voltage rating: 230 V / 400 VAC250 V / 440 VAC AC, 60 VDC / pole Suppression rating: 10 kA Installation depth: 70 mm Standards EN 60898; DIN VDE 0641; part 11; IEC 60898 Siemens RCDs, RCBOs, RCCBs and MCBs Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making it suitable for circuits with moderate inrush currents such as filament lamps, heating loads and most domestic/small building protection applications.,Type C characteristic offers short circuit response of 5-10 x normal rated current, making it ideal for circuits with higher inrush currents such as motor control and fluorescent lighting installations in industrial buildings where nuisance tripping might occur if a faster type was used. Type D characteristic is designed for high inrush loads. Magnetic trip point - 10 to 20 times In rating. Thermal trip point - 1.13 to 1.45 protector rating. Type AC characteristic ensure tripping for sinusoidal, alternating currents, whether they be quickly applied or slowly to increase.

Product Detail

New items

5SY4310-8, Siemens

Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic Automatic cut-out, 1, 2, 3 and 4-pole DIN rail assembly For use in industry, and in the functional and residential construction sector Voltage rating: 230 V / 400 VAC250 V / 440 VAC AC, 60 VDC / pole Suppression rating: 10 kA Installation depth: 70 mm Siemens RCDs, RCBOs, RCCBs and MCBs Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making it suitable for circuits with moderate inrush currents such as filament lamps, heating loads and most domestic/small building protection applications.,Type C characteristic offers short circuit response of 5-10 x normal rated current, making it ideal for circuits with higher inrush currents such as motor control and fluorescent lighting installations in industrial buildings where nuisance tripping might occur if a faster type was used. Type D characteristic is designed for high inrush loads. Magnetic trip point - 10 to 20 times In rating. Thermal trip point - 1.13 to 1.45 protector rating. Type AC characteristic ensure tripping for sinusoidal, alternating currents, whether they be quickly applied or slowly to increase.

Product Detail

New items