Killark VQ1F3630 - World Voltage Ballast 120 through 277 VAC 50/60Hz. Six mounting splice box types: Pendant, Ceiling, Wall bracket, Cone Top, 25° Angle Stanchion, Straight Stanchion – in a variety of entry sizes, including M20 for the VMX ceiling style. Elevated ambients to 55°C 13W – 64W. Two lamp models have 2 ballasts for separate switching or system redundancy. Normally shipped as components for fast delivery, or may be ordered factory assembled. Options for Fuses and Quick Disconnect. Tank assemblies include quad-pin lamp The VQ1F Series is a low profile low bay energy efficient Compact Fluorescent. The design of the VQ1F makes it suitable for harsh and hazardous environments using a cast copper-free aluminum housing and mount. Its low profile design allows it to fit in areas where there low ceiling heights will not allow for a larger fixture while still supplying high quality illumination. - Class I, Division 2, Groups A, B, C, D - Class I, Zone 2, Groups IIC, IIB, IIA - Class II, Divisions 1 & 2, Groups E, F, G - Class III, Divisions 1 & 2