Page 145 - Sace Emax 2 Catalogue

INSTALL ATION 7/11

An installation at 3000 m of a 690V AC rated ser- Electromagnetic compatibility
vice voltage can be an explicative example. The use of specific devices in industrial installa-
The altitude, as shown in the table, may cause a tions may cause electromagnetic interference in
derating which precludes the use of a standard the electrical system. SACE Emax 2 circuit break-
automatic circuit breaker. To use a circuit breaker ers have been developed and tested for electro-
at a 690 V AC service voltage, a 1,150 V AC version magnetic compatibility in accordance with IEC
has to be used. This version, even after derating, 60947-2, Appendices J and F.
fulfils the service voltage required. In addition,
the selection of the circuit breakers has to be
based on the short -circuit performance required
by the application.

Vibration
The circuit breakers have been tested according to:
• IEC60068-2-6
• From 1 to 13 Hz with amplitude 1mm
• From 13 to 100 Hz with constant acceleration
0.7g
• IEC60721-3-1
• Storage: 1M3
• IEC60721-3-2
• Transport: 2M2
• IEC60721-3-3
• Operational conditions: 3M2
• Shipping registers or certifications

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