Details of electromagnetic relays ( electric circuit arrangements H01H47/00; details of electrically-operated selector switches H01H63/00)

Child Classifications

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• H01H 50/002
• H01H 50/005
• H01H 50/02 Bases; Casings; Covers (frames for mounting two or more relays or for mounting a relay and another electric component H02B1/01, H04Q1/08, H05K)
• H01H 50/08 Indicators; Distinguishing marks
• H01H 50/10 Electromagnetic or electrostatic shielding (casings H01H50/02)
• H01H 50/12 Ventilating; Cooling; Heating (for operating electrothermal relays H01H61/013)
• H01H 50/14 Terminal arrangements
• H01H 50/16 Magnetic circuit arrangements
• H01H 50/44 Magnetic coils or windings
• H01H 50/54 Contact arrangements
• H01H 50/64 Driving arrangements between movable part of magnetic circuit and contact (structurally associated with contact spring sets H01H50/58)
• H01H 50/86 Means for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts (circuit arrangements for introducing delay H01H47/18; short-circuited conducting sleeves, bands, or discs H01H50/46)