Products from the Karl Johan range
Lamp
- High Pressure Sodium 50W/70W/100W/150W tubular (Small Karl Johan)
- High Pressure Sodium 150W/250W tubular (Large Karl Johan)
Control Gear
- Fitted within lantern body.
Protection
- Self-resetting thermal cut-out fitted in ballast.
Optical Unit
- Sealsafe® IP66 sealed beam optic comprising reflector No 1200 bonded to a 1-piece moulded round polycarbonate protector bowl via a transition plate. For use with 50W70W/100W lamps.
- Sealsafe® IP66 sealed beam optic comprising reflector No 1312 bonded to a 1-piece moulded round polycarbonate protector bowl via a transition plate. For use with 100W/150W/250W lamps.
Canopy
- Spun aluminium having stoved black finish (using polyester powder coating process over a RoHS-compliant chrome passivation substrate), and housing the control gear module.
Skirt
- Spun aluminium, having stoved white finish (using polyester powder coating process over a RoHS-compliant chrome passivation substrate). Secured to framework by means of a hinge and 2 No. knurled knob screws and, when lowered, giving access to control gear and lampholder.
PECU
- Option. Fitted to canopy, (using watertight gasket) and wired to lantern control gear. Type 'Microstar' (70 lux).
Installation Information
Mounting:
- Top entry mounting on a 1¼" BSP parallel threaded stainless steel tube and lock nuts. (The Small Karl Johan can also be stirrup mounted. The Large Karl Johan is available with a catenary mounting option.)
Photometric Centre:
- Photometric centre is positioned centrally in the lantern body
Dimensions: (Maximum dimensions)
Small Karl Johan
- Height: (with Round bowl): 781mm
- Height: (with Teardrop bowl): 825mm
- Diameter: 600mm
Large Karl Johan
- Height: (with Round bowl): 882mm
- Height: (with Teardrop bowl): 935mm
- Diameter: 700mm
Weight: (Indicative maximum weights including lamp and control gear)
Small Karl Johan
- High Pressure Sodium 50W: 10.3kg
- High Pressure Sodium 70W: 10.5kg
- High Pressure Sodium 100W: 10.8kg
- High Pressure Sodium 150W: 11.7kg
Large Karl Johan
- High Pressure Sodium 150W: 13.2kg
- High Pressure Sodium 250W: 14.0kg
Projected Areas:
Small Karl Johan
- 0.218m2 (Teardrop bowl)
- 0.212m2 (Round bowl)
Large Karl Johan
- 0.268m2 (Teardrop bowl)
- 0.262m2 (Round bowl)
Options
Design
- Lantern painted to any British Standard or RAL colour
- Glazing heat formed in frosted, tinted, opal or Partially Obscuring Non Diffusing (POND) polycarbonate
Lamp & Gear
- Metal Halide lamp packages
- Mercury vapour lamp packages
- White Sodium lamp packages
- Remote gear
- Integral photocell control
Product Catalogue (Download file - 223kB)
Line Drawing (Download file - 35kB)

