ABB NALF Series - Design and principle of operation; Versions available

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11.4 Design and principle of operation
The NEMD drive consists of:
1. operating lever,
2. front lever,
3. insulated rod,
4. sliding mechanism.
11.5 Versions available
• 1YMX888739M0001 - NEMD drive for NAL
switch disconnector designed for mounting on
the front wall of application panel.
• 1YMX888740M0001 - NEMD drive for E / EB
earthing switches designed for mounting on
the side wall of application panel.
• 1YMX888741M0001 - NEMD drive for NAL switch
disconnectors intended for installation below
the switch disconnector level.
• 1YMX888742M0001 - NEMD drive for E / EB
earthing switches intended for installation be-
low the switch-disconnector level.
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35 NEMD design
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