例文
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- An optional adapter board for assembly on top hat rails as specified in din en 50022 is available for fitting in a control cubicle
- For mounting in switchboards a version with clips is available for mounting on top hat rails . acc to din en 50 022
- Low - voltage switchgear and controlgear for industrial use . mounting rails . top hat rail 15 mm wide for the fixing of terminal blocks . european standard en 50 045
- Specification for low voltage switchgear and controlgear for industrial use - mounting rails - top hat rails 35 mm wide for snap - on mounting of equipment
- Specification for low voltage switchgear and controlgear for industrial use - mounting rails - top hat rails 75 mm wide for snap - on mounting of equipment