A-A-55504D
TABLE I. Terminals.
Rear terminal code
Rear terminal configuration
Quick connect .186 inch (4.74 mm) wide in-line
A
(see figure 1).
Quick connect .186 inch (4.74 mm) wide right
B
angle (see figure 1).
Quick connect .25 inch (6.35 mm) wide in-line
C
(see figure 1).
Quick connect .25 inch (6.35 mm) wide right
D
angle (see figure 1).
3.5 Terminal plating. Terminals shall be tin plated brass. Use of pure tin plating is prohibited as a final
finish and as an undercoat. Use of tin-lead (Sn-Pb) finishes are acceptable provided that the minimum
lead content is 3 percent.
3.6 Rear terminal configuration (RTC). The RTC shall be as specified in table I and on the applicable
CID sheet. The RTC codes A and B may be supplied with a tear-drop shaped hole.
3.7 Insulation resistance. The insulation resistance shall be 10,000 megohms minimum at 500 V dc in
accordance with IEC 60127-6.
3.8 Contact resistance. The contact resistance shall be less than 0.005 ohm average at currents up to
.1 ampere in accordance with IEC 60127-6.
3.9 Dielectric strength. The dielectric strength shall be 4000 volts minimum.
3.10 Ambient temperature. The ambient temperature shall be -40°C to +85°C.
3.11 Vibration. Fuseholders shall withstand 10-500 hertz, .03 inch constant amplitude or 10 g's constant
acceleration.
3.12 Fuseholder body material. The fuseholder body shall be thermoplastic with a UL 94HB flammability
rating as a minimum.
3.13 Knob material. The knob material shall be either gray thermoplastic for the screwdriver slotted knob
or black thermoplastic for the finger grip knob with a UL 94HB flammability rating as a minimum.
3.14 Spacer material. The spacer shall be either neoprene or polycarbonate with a UL 94HB
flammability rating as a minimum.
3.15 Mounting hex nut material. The mounting hex nut shall be of either black polycarbonate or
thermoplastic with a UL 94HB flammability rating as a minimum.
3.16 Mounting. Threaded styles shall withstand 15 pounds per inch mounting torque. Maximum panel
thickness .311 inch (7.90 mm).
3.17 Mounting holes. Mounting holes shall be as specified on the applicable CID sheet.
3.18 Marking. Fuseholders supplied to this CID shall be marked with the manufacturer's (MFR's)
standard commercial PIN. (NOTE: The part number marked on the unit pack shall be the CID PIN.)
3.19 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or
environmentally preferable materials should be used to the maximum extent possible provided that the
material meets or exceeds the operational and maintenance requirements, and promotes economically
advantageous life cycle costs.
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