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  2. Automotive fuse - Wikipedia

    en.wikipedia.org/wiki/Automotive_fuse

    AG-series fuses are rated for 125 VAC or 250 VAC, while SFE fuses are rated only to 32 V AC or DC and so are not intended for circuits connected to 120 or 250 VAC. There are at least seven different sizes of fuses with a 1/4 inch diameter. The fuses listed are the most common for the size, which is always a fast-acting fuse:

  3. IEC 60269 - Wikipedia

    en.wikipedia.org/wiki/IEC_60269

    NH fuses of sizes 000 and 00, rated 63A and 125A NH fuses of sizes 1, 2 and 3, rated 250A, 400A and 630A NH fuses [ 3 ] have a square or oblong body and blade-style terminals. These fuses are larger and have higher ratings than the screw type fuses, exceeding 100 kA.

  4. Fuse (electrical) - Wikipedia

    en.wikipedia.org/wiki/Fuse_(electrical)

    A time-delay fuse (also known as an anti-surge or slow-blow fuse) is designed to allow a current which is above the rated value of the fuse to flow for a short period of time without the fuse blowing. These types of fuse are used on equipment such as motors, which can draw larger than normal currents for up to several seconds while coming up to ...

  5. NEMA size - Wikipedia

    en.wikipedia.org/wiki/NEMA_size

    These sizes are grouped by rated current and power. [1] [2] NEMA size ... Motor starter; References This page was last edited on 20 June 2020, at 20:42 (UTC ...

  6. Motor control center - Wikipedia

    en.wikipedia.org/wiki/Motor_control_center

    A motor control center (MCC) is an assembly to control some or all electric motors in a central location. It consists of multiple enclosed sections having a common power bus and with each section containing a combination starter, which in turn consists of motor starter, fuses or circuit breaker, and power disconnect. [1]

  7. Utilization categories - Wikipedia

    en.wikipedia.org/wiki/Utilization_categories

    Usually utilization category is mentioned in most of the switch gear, with the above contactor stating to be used under AC1 - resistive load & AC3 for motor usage In electrical engineering utilization categories are defined by IEC standards [ 1 ] and indicate the type of electrical load and duty cycle of the loads to ease selection of ...

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  9. Inrush current - Wikipedia

    en.wikipedia.org/wiki/Inrush_current

    Inrush current can also be reduced by inrush current limiters. Negative-temperature-coefficient (NTC) thermistors are commonly used in switching power supplies, motor drives and audio equipment to prevent damage caused by inrush current. A thermistor is a thermally-sensitive resistor with a resistance that changes significantly and predictably ...

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