Limit switches come with either a side lever operator or with a side plunger.
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Q48: Mercury switches are useful in applications where
Q49: Limit switches have double break contacts in
Q50: The operator must be held in the
Q51: Industrial selector switches are similar to electronic
Q52: Selector switches are used to switch medium
Q54: The held open limit switch symbol is
Q55: The angle on a limit switch trip
Q56: Relays usually have the same pull in
Q57: Commercial and industrial relays generally have the
Q58: Relays with reed and mercury wetted contacts
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