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ETU550 / ETU850 parameters (3-pole version):
only 3-pole version with external current transformer for N conductor
1)
ETU550 / ETU850 parameters (4-pole version):
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
3.2 Line protection applications of 3VA molded case circuit breakers
Applications
133
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