Siemens 4P 63A 1000MA Type A 3M Earth Leakage add-on Block for 5SY 5SM28458

Siemens
Siemens
SIE 5SM28458 4001869171142

Siemens Earth Leakage add-on Block, compatible with 5SY circuit breakers, ideal for applications with selectivity and service continuity requirements, with the following features:

  • Number of poles: 4 poles

  • Differential type: A, selective

  • Rated current: 63 amperes

  • Rated differential current: 1000 mA

  • Rated operating voltage: 400 V AC

  • Current impulse withstand resistance: 5 kA

  • Mains frequency: 50/60 Hz

  • Direct contact protection: IP20 (with complete wiring)

  • Installation: on standard DIN rail DIN 43880

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Siemens 4P 63A 1000MA Type A 3M Earth Leakage add-on Block for 5SY 5SM28458
€162.49
€162.49

€162.49
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Safety and selectivity Earth Leakage add-on Block for differential protection

The Siemens 5SM2 Earth Leakage add-on Block is the ideal solution for ensuring protection against direct and indirect contacts, leakage and fault currents in civil and industrial electrical systems. The selective function prevents untimely trips in the event of a downstream fault, improving service continuity.

Reliability for critical installations

With a rated differential current of 1000 mA, the device is designed for applications in environments where general or selective protection is required, such as in main switchboards or in electrical systems with multiple levels of protection. Its high impulse resistance and overvoltage category III make it suitable for environments subject to electrical disturbances.

Compatibility and mounting

The block is compatible with 5SY series circuit breakers, to be installed on the left side. It is designed for DIN switchboard with flush-mounted modules according to DIN 43880, and allows supply from above or below. It is recommended for use in switchboards with high loads or selective disconnections.

Technical Specifications Siemens Earth Leakage add-on Block

Electrical Data

Type of fault current Type A
Number of poles 4
Rated current 63 A
Rated differential current 1000 mA
Operating voltage 400 V AC
Insulation voltage (Ui) 460 V
Impulse voltage (Uimp) 4000 V
Overvoltage category III
Pollution degree 2
Frequency 50/60 Hz
Max power dissipation 9 W


Installation and Connections

Rigid/multistrand cable cross-sections 1.5 - 25 mm²
Terminal tightening torque 2.5 - 3 Nm
Degree of protection IP20


Dimensions and Environment

Dimensions (HxWxD) 90 x 54 x 77 mm
Recessed depth 70 mm
Operating Temperature -25 °C TO +45 °C
Storage temperature -40 °C ÷ +75 °C
Mechanical durability 10,000 cycles

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Data sheet

Voltage:
400VAC
Modules:
3
Poles:
4P
RCD Type:
A
Differential current :
1A
Amps:
63A
Circuit Protections:
Earth Leakage add-on Blocks
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