Loading basket...
  • Your Account
    • Departments
    Google Trust Store Top Quality Store
    Shop with confidence
    FREE Delivery
    Over £100 (Mainland UK)
    Payment Card Types

    ERC 250 Watt Mercury Vapour Ballast

    This is a Switch Start ballast designed to run 250W lamps which is part of our control gear range
    This is a Product image
    Quick Find: 5630

    Product Discontinued
    This item was discontinued on 30th September, 2015

    Alternatively check out our full range of simular products below:
    Philips HPMV Ballasts

    Control Gear Type
    Switch Start/Magnetic

    Dimming?
    Non-Dimmable

    Height
    80 mm

    Length
    92 mm

    Manufacturer
    ERC

    No. Of Lamps
    Single (1x)

    Technology
    Mercury

    Type
    Control Gear

    Wattage
    250 W

    Width
    88 mm

    Product Overview

    ERC 250 Watt Mercury Vapour Ballast from ERC

    Model: HID/K 666642 250w

    A standard switch start choke ballast for high pressure mercury lamps

    Technical Specifications

    Control Gear Type Switch Start/Magnetic
    Technology Mercury
    Wattage 250 W
    Manufacturer ERC
    Dimming? Non-Dimmable
    No. Of Lamps Single (1x)
    Capacitor Required 20mf
    Height 80 mm
    Length 92 mm
    Type Control Gear
    Width 88 mm

    Alternative Stock Identifier Part Codes

    BHL250 K307
    This image shows when free shipping is offered on orders
    Google Customer Reviews

    Isabel Davies
    3rd December 2025

    BLT suggested an alternative light bulb for one that had been discontinued which meant I didn't have to replace the fitting, very helpful, thanks

    Mark Wilson MBA
    1st December 2025

    Fast effective and efficient delivery, very pleased with the service! 5 Stars

    This images encourages customers to subscribe to the BLT newsletter for discounts and special offers