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