Description
2.5 Standards and guidelines
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
57
2.5
Standards and guidelines
All the standards and guidelines with which 3VA molded case circuit breakers comply are
summarized in this chapter.
The topics discussed in this chapter are listed below:
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Compliance with standards
●
Electromagnetic compatibility
●
Ambient conditions
●
Degrees of protection
2.5.1
Compliance with standards
The standards fulfilled by the 3VA molded case circuit breakers include:
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IEC / EN 60947-1
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IEC / EN 60947-2
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IEC / EN 60947-2, Annexes B, H and M
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IEC / EN 60947-3
●
IEC / EN 60947-6-1
2.5.2
Electromagnetic compatibility
The 3VA molded case circuit breakers meet the requirements of the following standards:
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CISPR11, Class A and Class B
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IEC / EN 60947-1, Annex S
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IEC / EN 60947-2, Annexes B, F, J and N
The 3VA molded case circuit breakers are adequately resistant to the following factors:
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Electrostatic charge
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Electrostatic discharge
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Electromagnetic waves, e.g. from transmission systems, mobile phones, radio telephone
sets and radar systems
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Overvoltage, e.g. caused by lightning
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Voltage surges
