Recessed Double Contacts (RDC)
Light Sources Inc. no longer supports/supplies Kulka products as of September 2021. This website info is for informational/cross reference purposes only.
![1640 Series Slide-On Lampholders, Spring Loaded and Stationary, For 800 and 1500mALamps 1 1640 Series Slide-On Lampholders, Spring Loaded and Stationary, For 800 and 1500mALamps 1](https://www.light-sources.com/wp-content/uploads/2015/07/1640-150x150.jpg)
Rating: 660 Watts, 600 V.
Listing: ULFile No. E-13408; CSAFile No. LR95423. UL listed and CSA certified for outdoor use in enclosed signs and fixtures.
![1547 & 1548 Series High Output Pedestal Type Lampholders, For 800 and 1500mA Lamps 2 1547 & 1548 Series High Output Pedestal Type Lampholders, For 800 and 1500mA Lamps 2](https://www.light-sources.com/wp-content/uploads/2015/07/1547-150x150.jpg)
The 1547 and the 1548 series are virtually the same lampholder except that the 1547 Series has a lamp-center-to-panel distance of .39″ greater than the 1548 Series. The 1547 Series may be ordered with vertical contacts. Suitable for outdoor use when properly installed.
Download Kulka Specs – 1547 Series High Output Pedestal Type Lampholders
![582.GDF™ & 583.GDF™ Series Lampholders, Stationary, For 800 and 1500mA Lamps 3 582.GDF™ & 583.GDF™ Series Lampholders, Stationary, For 800 and 1500mA Lamps 3](https://www.light-sources.com/wp-content/uploads/2015/07/Kulka_582-150x150.png)
Completely isolates the face of the socket from ground. No metal clips means no corrosion or electrical grounding.
Download Kulka Specs – 582.GDF™ & 583.GDF™ Series
![540 & 541 Series, 800 and 1500mA Lamps 4 540 & 541 Series, 800 and 1500mA Lamps 4](https://www.light-sources.com/wp-content/uploads/2015/07/540B-150x150.jpg)
Rating: 660 Watts, 600 V
Listing: UL File No. E-13408; CSA File No. LR95423. 540.X and 541.X versions UL listed and CSA certified for outdoor use in enclosed signs and fixtures.
Download Kulka Specs – 540 & 541 Series, 800 and 1500mA Lamps
![530.1K™ & 530.2K™ Series Snap-In Lampholders 5 530.1K™ & 530.2K™ Series Snap-In Lampholders 5](https://www.light-sources.com/wp-content/uploads/2015/07/KULKA_530-150x150.png)
Rating: 660 Watts, dual rated 600V or 1000V.
Listing: UL File No. E-13408; CSA File No. LR95423. UL listed and CSA certified for outdoor use in enclosed signs and fixtures.
Download Kulka Specs – 530.1K™ & 530.2K™ Series Snap-In Lampholders
![530.1K-IS™ & 530.2K-IS™ Series Snap-In Lampholders for 800 and 1500mA Instant Start Lamps 6 530.1K-IS™ & 530.2K-IS™ Series Snap-In Lampholders for 800 and 1500mA Instant Start Lamps 6](https://www.light-sources.com/wp-content/uploads/2015/07/530.1-is__530.2-is_image_lg__0-150x150.jpg)
Internally shunted for single wire electronic ballast applications
Rating: 660 Watts, dual rated 600V or 1000V.
Listing: UL File No. E-13408; CSA File No. LR95423. UL listed and CSA certified for outdoor use in enclosed signs and fixtures.
![582.GDF-IS™ & 583.GDF-IS™ Series Lampholders, for 800 and 1500mA Instant Start Lamps 7 582.GDF-IS™ & 583.GDF-IS™ Series Lampholders, for 800 and 1500mA Instant Start Lamps 7](https://www.light-sources.com/wp-content/uploads/2015/07/582.gdf-is__583.gdf-is_lg_0-150x150.jpg)
Internally shunted for single wire electronic ballast applications
Completely isolates the face of the socket from ground. No metal clips means no corrosion or electrical grounding.
![IS-Series Lampholders 8 IS-Series Lampholders 8](https://www.light-sources.com/wp-content/uploads/2015/07/is-series4-3d_04-13-2012_0-150x150.jpg)
Kulka® IS-Series lampholders are the only lampholders designed specifically for Electronic Sign Ballasts. The IS-Series features an Integrated Shunt designed for Instant Start ballasts and are the only lampholders to feature Single Leadwire Technology for simplified installation and safer operation.