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Chapter GROUP 3C Electrical and Power-Generating Equipment

Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below:

IL1203Electric furnaces, the following and specially designed components and controls therefor, and specially designed ODMA software for such furnaces, components and controls—
(a)

Consumable electrode vacuum arc furnaces with a capacity in excess of 20,000 kg

C
(b)

Skull type vacuum arc furnaces

C
(c)

Vacuum induction furnaces allowing the molten metal to be poured into a mould within the same vacuum chamber without breaking the vacuum and having all of the following characteristics

C
(1)

a capacity in excess of 2,275 kg;

(2)

designed to operate at pressures lower than 6.67 Pa (0.0667 mbar); and

(3)

designed to operate at temperatures in excess of 1,373K (1,100°C).

(d)

Induction furnaces having both of the following characteristics—

C
(1)

a diameter inside the induction coil of 155 mm or more (6.1 inches or more); and

(2)

designed to heat a workpiece with a diameter or 130 mm or more (5.1 inches or more) to a temperature in excess of 2,273K (2,000°C);

There shall be excluded from this entry susceptors made of graphite not specified elsewhere in this Schedule.

Note: this entry includes vacuum furnaces capable of operating with protective atmospheres.

IL1205

Electro-chemical, semiconductor and radioactive devices for the direct conversion of chemical, solar or nuclear energy to electrical energy, the following—

  1. (a)

    Electro-chemical devices, the following: and specially designed components therefor—

(1)

fuel cells operating at temperatures of 523K (250°C) or less, including regenerative cells, ie cells for generating electric power, to which all the consumable components are supplied from outside the cell

C

  • Note: the temperature of 523K or less refers to the fuel cell and not to the fuel conditioning equipment, which may be either an ancillary or an integral part of the fuel cell battery and which may operate at over 523K.

(2)

primary cells and batteries having any of the following characteristics—

(i)

reserve (water, electrolyte or thermally activated) batteries possessing a means of activation and having a rated unactivated storage life of three years or more at an ambient temperature of 297K (24°C)

C
(ii)

utilizating lithium or calcium (including alloys in which lithium or calcium are constituents) as electrodes and having an energy density at a discharge current equal to C/24 hours (C being the nominal capacity at 297K (24°C) in ampere-hours of more than 250 watt-hours per kilogramme at 297K (24°C) and more than 80 watt-hours per kilogramme at 244K (−29°C)

C

  • Note: Energy density is obtained by multiplying the average power in watts (average voltage in volts times average current in amperes) by the duration of the discharge in hours to 80% of the open-circuit voltage and dividing by the total mass of the cell (or battery) in kilogrammes;

(iii)

using an air electrode together with either lithium or aluminium counter-electrodes and having a power output of 5 kilowatt or more or an energy output of 5 kilowatt-hours or more

C
(3)

secondary (rechargeable) cells and batteries having any of the following characteristics after more than 20 charge/discharge cycles at a discharge current equal to C/5 hours (C being the nominal capacity in ampere-hours)—

(i)

utilizing nickel and hydrogen as the active constituents and having an energy density of 55 watt-hours per kilogramme or more at 297K (24°C)

C
(ii)

utilizing lithium or sodium as electrodes or reactants and having an energy density of 55 watt-hours per kilogramme or more at the rated operational temperature

C

  • Note: Energy density is obtained by multiplying the average power in watts (average voltage in volts times average current in amperes) by the duration of the discharge in hours to 75% of the open-circuit voltage and divided by the total mass of the cell (or battery) in kilogrammes;

(4)

molten salt electrolyte cells and batteries which normally operate at temperatures of 773K (300°C) or below

C
(b)

Photo-voltaic cells and specially designed components therefor, the following—

(1)

with a power output of 14mW or more per sq cm under 100mW per sq cm tungsten 2,800°K (2,527°C) illumination

C
(2)

all gallium arsenide photo-voltaic cells excluding those having a power output of less than 4mW measured by the above technique

C
(3)

with a power output of 450mW or more per sq cm under 10 watts per sq cm silicon carbide at 1,750K (1,477°C) illumination

C
(4)

electromagnetic (including laser) and ionized particle radiation resistant

C
(c)

Power source based on radio-active materials systems other than nuclear reactors

C

  • except—

    1. (i)

      those having an output power of less than 0.5 W and a total weight (force) more than 890 N (90.7 kg)

    2. (ii)

      those specially designed and developed for medical use within the human body.

There are excluded from heads (a) (b) and (c) cells and power source devices, the following and specially designed components therefor—

  1. (a)

    fuel cells specified in sub-head (a)(1) above, provided they are not space qualified, with a maximum output power more than 10 kilowatts and which use gaseous pure hydrogen and oxygen/air reactants, alkaline electrolyte and a catalyst supported by carbon either pressed on a metal mesh electrode or attached to a conducting porous plastic;

  2. (b)

    lithium primary cells or batteries specified in sub-head (a)(2)(ii) which:

    1. (1)

      are specially designed for consumer applications and used in watches, pacemakers, calculators or hearing aids, or

    2. (2)

      are specially designed for consumer or civil industrial applications and have a nominal capacity less than or equal to 35 ampere-hours and a discharge current of less than C/10 hours (C as defined for the purpose of subhead (a)(2)(ii)).

  3. (c)

    lithium secondary (rechargeable) cells and batteries specified in sub-head (a)(3)(ii) above which:

    1. (1)

      are specially designed for consumer applications;

    2. (2)

      have a nominal capacity less than or equal to 0.5 ampere-hour and an energy density of less than 40 watt-hours per kilogramme at 273K (0°C) and a discharge current of less than C/10 hours (C as defined for the purpose of subhead (a)(3));

  4. (d)

    sodium secondary (rechargeable) cells and batteries specified in sub-head (a)(3)(ii) above which are specially designed for consumer or civil industrial applications which are not space qwualified.

In this entry “space qualified” refers to products which are stated by the manufacturer as designed and tested to meet the special electrical, mechanical or environmental requirements for use in rockets, satellites or high-altitude flight systems operating at altitudes of 100 km or more.

IL1206

Electric arc devices (or plasma torches) and equipment, the following: and specially designed components, accessories and controls and specially designed ODMA software therefor—

(a)

Electric arc devices for generating a flow of ionized gas in which the arc column is constricted

C

  • except—

    1. (i)

      devices using less than 100 kW arc power for welding, melting, plating or spraying; or

    2. (ii)

      devices with less than 235 kW arc power for cutting.

(b)

Equipment incorporating electric arc devices with a constricted arc column and capable of having a programmable increment (for the continuous movement of the device) less (finer) than 0.01 mm

C
(c)

Test equipment incorporating electric arc devices specified in head (a) above

C

There shall be excluded from this entry plasma torches for industrial gas heating which are a non-constricted arc column with an operating pressure of 1 to 15 bar inclusive.