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| Amperage Rating | : | 3.74 mA |
| Circuit Type | : | CWA |
| Dimmable/Non-Dimmable | : | Non-Dimmable |
| Frequency Rating | : | 60 Hz |
| Height | : | 4-3/4 in |
| Input Wattage | : | 400 W |
| Lamp Type | : | Metal Halide |
| Lamp Wattage | : | 400 W |
| Length | : | 4-1/4 in |
| Minimum Starting Temperature | : | -30 deg C |
| Start Type | : | Probe |
| Voltage Rating | : | 120/208/240/277/480 V |
| Width | : | 4.2 in |
KEYSTONE offers a variety of HID ballast kits. Known for dependability and superior efficiency, KEYSTONE's HID ballasts are perfectly suited for even the most demanding HID lighting applications. KEYSTONE utilizes sophisticated quality control and manufacturing processes to guarantee solid performance in the field. Each kit includes the HID ballast pre-wired to a properly rated capacitor and ignitor (if required), mounting hardware and a visual installation guide.
KEYSTONE Ballast Kit, Metal Halide Lamp, 400 W Lamp, 400 W Input Wattage, 120/208/240/277/480 V, 3.74 mA, 60 Hz, Probe Start, -30 deg C Minimum Starting, Non-Dimmable Dimmable/Non-Dimmable, CWA, 4-1/4 in Length, 4.2 in Width, 4-3/4 in Height
- Regulation 10%
- Insulation class 180 deg C
- Capacitor of 24 uF
- Capacitor voltage rating 400 V
- Capacitor temperature rating 90 deg C
- Winding materials Cu/Al