Stahl 8527/2, Operating Instructions Manual

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Designated Use
4 8527602300
S-BA-8527/2-01-en-10/10/2007
Circuit breakers for motor protection
8527/2
3.3 Symbols Used
3.4 Conformity to standards
The device complies with the following regulations and standards:
X
Directive 94/9/EC
X
EN 50014, EN 50018, EN 50019
X
IEC/EN 60947-1, IEC/EN 60947-2, IEC/EN 60947-4, IEC/EN 60947-5
4 Designated Use
The motor protection circuit breaker of series 8527 is used in explosion-protected areas
to protect and switch EEx e and EEx d motors and to protect systems.
The devices are approved for use in hazardous areas of zones 1, 2, 21 and 22.
The temperature class applicable depends on where the enclosure is installed.
Change the circuit-breaker at the end of its operating life (see technical data).
Special characteristics of the motor protection circuit breaker:
X
Phase failure sensitivity according to IEC/EN 60947.
X
Temperature compensation within ambient temperature range.
X
Trip-free release.
X
Isolator characteristics.
X
Master switch and EMERGENCY-STOP characteristics via appropriate ancillary
device.
X
Can be fitted in any position.
X
Switch actuator can be triple-locked in Off position by cylinder lock (see Accessories).
X
Action request:
Describes actions to be carried out by the user.
Z
Reaction sign:
Describes results i.e. reactions on activities.
X
Bullet
)
Sentinel:
Describes the notes and recommendations.
Warning sign:
Danger from energised parts!
Warning sign:
Danger due to an explosive atmosphere!
WARNING
Only use the device for its intended purpose!
Z
Otherwise, the manufacturer’s liability and warranty expire.
X
Only use the device under the operating conditions described in the operating
instructions.
X
The device must only be used in areas subject to explosion hazards according to
these operating instructions.