H400D datasheet(18/24 Pages) OSRAM

18 / 24 page

TS 44842 OSRAM / POWERSTAR HQI 106 T001 GB

4/24.5.2007

Please note:

The values and curves published in this document are

for guidance only. The basic data was determined under

controlled laboratory conditions for a switching cycle of

11 h on/1 h off.

There may be considerable differences in actual practice.

The highlighted areas around the curves represent a 0%

confidence range based on our test conditions.

NIOSH threshold and ACGIH UV output:

The radiated energy of a lamp is indicated by the defined

NIOSH curve.

The NIOSH effective radiated output calculated from this

is converted into permitted exposure times with defined

limit values.

The ACGIH UV output value correlates directly with the

NIOSH value and represents the current required value for

UV exposure.

PF correction capacitor:

The pf correction capacitors are designed so that

cos w ≥ 0. is achieved at rated voltage.

Operating instructions

Supply voltage:

The lamps must be connected via suitable control gear. A

240 V / 50 Hz ac supply is generally required. If a different

supply voltage is used (e.g. 400 V / 50 Hz) control gear

with appropriate taps must be used.

Permitted mains voltage deviation: ± 3%

Sudden fluctuations in mains voltage of more than 10%

may cause the lamps to go out.

If the deviation from rated supply voltage (20 V or 400 V)

is permanent, high-pressure discharge lamps may exhibit

changes in colour or luminous flux. Lamp life may also be

reduced.

Control gear:

Conventional control gear: Choke, igniter and pf correc-

tion capacitor.

The right igniter for the particular lamp type must be used

to ensure reliable and safe ignition.

Igniters must always be installed close to the lamp.

The choke may be installed any distance from the lamp,

provided the permissible voltage drop is not exceeded.

For power supplies with a neutral conductor the choke

should be connected to the live conductor. In the case of

luminaires in which there are no lamps installed, the igni-

tion equipment (igniter, ignition pulser) must be disabled

when voltage is applied otherwise the igniters may pro-

duce radio interference.

The chokes and pf correction capacitors generally needed

for operating discharge lamps may, under certain condi-

tions, create oscillating circuits. These circuits may then

produce excessive currents and voltages, which in turn

can destroy the lamps, ballasts and capacitors. Such

resonance phenomena must be avoided by appropriate

circuits and fuses.

When high-pressure discharge lamps come to the end of

their lives a rectifier effect may occur (see IEC 6205).

This is not manufacturer-specific. Because of the exces-

sive dc current components the ballasts and igniters may

become overheated.

High-pressure discharge lamps should therefore only be

operated with control gear with thermal protection.

This applies also to control gear with the option of power

reduction.

The following lamps with integrated igniters will start

on mains voltage:

c HQI®-T 2000 /D/I

c HQI®-T 2000 /N

The lamps must not be operated with integrated igniters

in luminaires equipped with igniters.

Suitable igniters and control gear for POWERSTAR® are

available from the electrical industry.

In the case of igniters equipped with OSRAM switching

element SE 600 (built-in spark gap), SE 600 must be

replaced each time the lamp is replaced.

Operating temperatures:

Only high-pressure discharge lamps with external

igniters are suitable for low-temperature applications

down to – 50 °C. Such applications call for special

(heatable) igniters such as MZN 400 SU-LT from BAG

Turgi (for lamps from 100 to 400 W).

Power factor:

CCG: Because of the series connected choke this is

around 0.5 to 0.7 (without compensation)

ECG: If POWERTRONIC® is used the power factor is

greater than 0.6. Compensation is therefore not

needed here.

Switching on:

Full luminous flux is reached only a few minutes after the

lamp is switched on. The start-up current may be up to

twice the operating current depending on the control gear.

(See also the graphs on p. 21)

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