Technical data
12.19 IP degrees of protection
3VL molded-case circuit breakers
System Manual, 03/2009, 110 0110 - 02 DS 01
189
12.19 IP degrees of protection
All SENTRON VL molded-case circuit breakers are constructed with degree of protection
IP20 regardless of size and version.
A wide range of additional accessories is also available for the basic version of the
SENTRON VL circuit breaker in IP20.
The accessories listed below are designed to provide a higher degree of protection:
The degree of protection in accordance with IEC 60529 is listed in the table below:
Table 12- 53 Overview of degrees of protection
Circuit breaker Protection Degree of
protection
Circuit breaker
Finger-proof
Protected against solid foreign bodies with a diameter
of 12.5 mm or larger.
IP20
Circuit breaker with terminal cover
Protected against access to live parts with a tool.
Protected against solid foreign bodies with a diameter
of 2.5 mm or larger.
IP30
Plug-in circuit breaker
Finger-proof Protected against solid foreign bodies
with a diameter of 12.5 mm or larger.
IP20
IP30
1)
Circuit breaker with cover frame and motorized
operating mechanism
Protected against access to live parts with a wire.
Protected against solid foreign bodies with a diameter
of 1.0 mm or larger.
IP40
2)
Circuit breaker with cover frame for door cutout
Protected against access to live parts with a wire.
Protected against solid foreign bodies with a diameter
of 1.0 mm or larger.
IP40
2)
Circuit breaker with cover frame and rotary operating
mechanism on front
Protected against access to live parts with a wire.
Protected against solid foreign bodies with a diameter
of 1.0 mm or larger.
IP40
2)
Circuit breaker with door coupling rotary operating
mechanism
Protected against ingress of dust and water jets from
any direction.
IP65
2)
1)
If the circuit breaker is installed and the supplied covers are mounted.
2)
Depending on the degree of protection of the housing
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