The LH52K is Norman's lamphead for the A400B Battery Portable flash unit. It operates with all Series 500 Norman power supplies made over the years. Can be used as a bare bulb or with a range of reflectors.
| Maximum Watt/Seconds | 400 w/s |
| User Replaceable Flashtube | Yes (FT400) |
| Changeable Reflector | Yes |
| Circuit Protection | None |
| Cable Length | 20' straight |
| Modeling Light Wattage | None |
| Modeling Light On/Off Switch | Not applicable |
| Protective Glass Dome | Yes |
| Fan Cooled | No |
| Dimensions | 5 x 5" (12.7 x 12.7cm) with standard 5" reflector |
| Weight | 1.25 lb (.6 kg) with 5" reflector |