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  • New item   Electronic ballast for metal halide lamps | 70 W | 220–240 V | IP20 | OSRAM POWERTRONIC PT-FIT 70/220–240 S
    New item   Electronic ballast for metal halide lamps | 70 W | 220–240 V | IP20 | OSRAM POWERTRONIC PT-FIT 70/220–240 S 1

    Electronic ballast for metal halide lamps | 70 W | 220–240 V | IP20 | OSRAM POWERTRONIC PT-FIT 70/220–240 S

    Code: PT-FIT 70/220-240 S
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    Price 11.20 € VAT incl.
    ( 9.26 € VAT excl. )

    Used product. 70 W electronic ballast for metal halide (HCI / HQI) lamps with integrated ignition and automatic lamp shutdown on failure or at end of life. Dimensions 110 × 75 × 30 mm.

  • Product description

    Electronic ballast for metal halide lamps | 70 W | 220–240 V | IP20 | OSRAM POWERTRONIC PT-FIT 70/220–240 S

    OSRAM POWERTRONIC PT-FIT 70/220–240 S is an electronic control gear (ECG) for one 70 W metal halide lamp. It combines lamp ignition, stable lamp supply and protection functions, so the luminaire needs no separate choke, ignitor or compensation capacitor. The PT-FIT series is designed for compact luminaires where a small ballast size and simple installation matter. This is a used product intended for repairing existing luminaires.

    Key idea:
    When the electronic ballast of a shop window, retail or facade floodlight fails, the fastest fix is a replacement of the same power and type. PT-FIT 70/220–240 S restores the luminaire without modification if the lamp is a 70 W metal halide lamp (HCI or HQI) and the cable to the lamp is no longer than 1.5 m.
    Lamp
    1 × 70 W MH (HCI / HQI)
    Voltage
    198–264 V AC, 50/60 Hz
    Cable to lamp
    up to 1.5 m
    Protection
    EoL shutdown, IP20

    How it works

    The ballast is mounted inside the luminaire housing or next to it and connected between the 230 V mains and the lamp holder. When power is applied, it generates an ignition pulse of up to 4.5 kVp and starts the lamp.

    Once the lamp is lit, the ballast keeps the lamp power stable at 0.200–0.240 kHz, so the light does not flicker, there is no hum, and the lamp colour stays more stable than with an electromagnetic choke.

    If the lamp fails or reaches the end of its life, the ballast automatically stops the ignition attempts. This protects the luminaire wiring and the ballast itself from continuous overheating.

    Why choose OSRAM PT-FIT 70/220–240 S?
    One compact device replaces three components of an electromagnetic system, uses less energy (power factor 0.95) and switches off a failed lamp by itself. Efficiency at full load – 92 %.

    Technical specifications

    Product type Electronic ballast (ECG) for metal halide lamps
    Manufacturer / series OSRAM POWERTRONIC
    Model PT-FIT 70/220–240 S
    Condition Used product
    Lamp power 73 W (70 W class lamp)
    System power 80 W
    Input voltage 198–264 V AC (nominal 220–240 V)
    Mains frequency 50/60 Hz
    Power factor λ 0.95
    Ignition voltage up to 4.5 kVp
    Inrush current 45 A
    ECGs per circuit breaker 10 A (B) – 7 pcs; 16 A (B) – 13 pcs
    Max. cable length to lamp 1.5 m (cable capacitance up to 120 pF)
    Max. case temperature tc 85 °C
    Efficiency 92 %
    Ambient temperature −15…+55 °C
    Service life 30,000 h at max. tc (10 % failures)
    Dimensions 110 × 75 × 30 mm (mounting hole spacing 99 mm)
    Weight 250 g
    Ingress protection IP20
    Protection class For protection class I luminaires
    Dimming Not dimmable
    Compliance EN 61347-2-12, EN 55015, EN 61000-3-2, EN 61547

    Main functions

    • Integrated ignition – no separate ignitor needed, fewer connections and failure points
    • Automatic shutdown on lamp failure (EoL) – prevents the ballast from endlessly trying to ignite a failed lamp
    • Stable lamp power – more consistent light colour and longer lamp life
    • Power factor correction – no compensation capacitor needed, lower mains load
    • Wide voltage range 198–264 V – stable operation even with mains voltage fluctuations
    • Flicker-free and hum-free operation – suitable for shops, offices and exhibitions

    Where is it used?

    • Shop and shop window floodlights
    • Track luminaires with 70 W HCI lamps
    • Facade and architectural floodlights
    • Museum and exhibition lighting
    • Hotel and restaurant accent lighting
    • Warehouse and workshop luminaires with a 70 W MH lamp

    Use by need

    For a retail technical team.
    A compact replacement for slim floodlights and track luminaires.
    For luminaire repair workshops.
    A standard 70 W MH ballast that fits many luminaire models.
    For an installation electrician.
    Simple wiring: mains and lamp according to the label diagram, no additional components.

    Practical use

    If in a track luminaire with a 70 W HCI-TC lamp the lamp lights up and goes out after a few seconds, and a new lamp behaves the same way, the fault is usually in the ballast. The PT-FIT 70/220–240 S is then installed in place of the old device at the same fixing points, as the hole spacing is 99 mm.

    Pros

    • Replaces choke, ignitor and capacitor with one device
    • Automatically switches off a failed lamp
    • Power factor 0.95
    • Stable operation at 198–264 V
    • Compact dimensions 110 × 75 × 30 mm
    • Lower price than a new ballast

    Cons / limitations

    • Used product – check the condition and warranty terms on the product page
    • Only for 70 W metal halide lamps – not suitable for sodium (SON) or mercury (HQL) lamps
    • Cable to the lamp – no longer than 1.5 m
    • IP20 – install only inside a luminaire or in a dry place
    • Not dimmable – not suitable for 1–10 V or DALI systems

    Safety and installation notes

    • Disconnect the power before work and make sure no voltage is present
    • Remove the old ignitor and capacitor if you replace an electromagnetic system with an electronic one
    • Do not exceed 1.5 m of cable to the lamp and do not run the lamp wires in the same cable as the mains wires
    • Make sure the case temperature does not exceed 85 °C: do not cover the ballast with insulation
    • Earth the luminaire – the ballast is intended for protection class I luminaires
    • Installation must be carried out by a qualified electrician

    Quick selection guide

    70 W MH
    220–240 V
    50/60 Hz
    λ 0.95
    Cable ≤ 1.5 m
    IP20
    EoL protection
    Suitable when you need to:
    • Replace a failed OSRAM PTi / PT-FIT 70 W ballast with the same or a compatible model
    • Restore a luminaire with a 70 W HCI or HQI lamp
    • Replace a 70 W MH electromagnetic system with an electronic one
    Check before use:
    • Lamp type and power (70 W HCI / HQI)
    • Cable length to the lamp (up to 1.5 m)
    • Whether the ballast fits the luminaire: 110 × 75 × 30 mm, mounting holes 99 mm apart
    • That no old ignitor remains in the luminaire
    Important reminder: the ballast does not replace the lamp – if the lamp flickers or changes colour, check the lamp first. This ballast is not suitable for LED lamps.

    FAQ

    Is it suitable for a 70 W sodium (SON) lamp?
    No, the ballast is intended only for metal halide lamps.
    Is a separate ignitor needed?
    No, ignition is already integrated in the ballast.
    Can it be used with a 35 W or 150 W lamp?
    No, the ballast is intended only for 70 W class lamps.
    What is the maximum cable length to the lamp?
    Up to 1.5 m, cable capacitance up to 120 pF.
    How many ballasts can be connected to one 16 A B circuit breaker?
    Up to 13 units.
    Can the light output be dimmed?
    No, the ballast is not dimmable.

    Electronic ballast for metal halide lamps | 70 W | 220–240 V | IP20 | OSRAM POWERTRONIC PT-FIT 70/220–240 S

    Used OSRAM POWERTRONIC PT-FIT 70/220–240 S electronic ballast for 70 W metal halide lamps with integrated ignition, EoL protection and a power factor of 0.95 – a quick solution for repairing shop, shop window and facade luminaires.

    Published: 2026-10-29 · Data verified against the manufacturer datasheet: 2026-10-29

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

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