ACUITY 146VKN 54W 4-Lamp T5HO Compact I-Beam Fluorescent High Bay

The compact I-BEAM® fluorescent high bay is an ideal one-for-one replacement of common metal halide high bay systems. The unique COOL RUNNING™ technology provides trouble-free operation in ambient spaces up to 65°C. Applications include manufacturing, warehousing, commercial facilities and retail. The fluorescent I-BEAM compact fixture performs at mounting heights from 15'-30'. Certain chemicals that may exist in end-user locations release airborne contaminants that can impact the integrity and safety of key fixture components. Please refer to the environmental compatibility chart located in the Product Selection Guide and/or the company website to ensure that these chemical interactions are considered when selecting fixtures. For additional information please consult an authorized factory representative. Attributes: I-BEAM fixtures feature cool running technology for ambient operation up to 65°C. Backed by a full five-year ballast warranty at 55°C, three-year ballast warranty at 65°C. Designed for optimum performance using T5HO fluorescent lamps. The I-BEAM compact fixture provides the best option for applications requiring a rugged fixture construction coupled with excellent fixture performance. Optical designs for your choice of narrow distribution for aisles or wide distribution for general lighting. Typical arrangement provides over 90% luminaire efficiency. Available with four-lamp cross-section. Easy two-point mounting with convenient aircraft cable or other mounting options provides reliable installation, eliminates fixture sag and provides sturdy installation. Single-point mounting available (order IBHMP or IBPMP). Available in MVOLT (120-277V) or HVOLT (347-480V). construction: Channel is formed of heavy-duty code-gauge steel to stand up to the most demanding elements. Lamp holder assembly protects from incidental damage to reflectors during installation. Sockets include secure positioning rotating collars with enclosed contacts. Access plate on the back of the channel housing allows quick and easy wiring. Finish: Channel is high-gloss white baked enamel; five-stage iron phosphate pretreatment ensures superior paint adhesion and rust resistance. Optical system: Two optical systems are available. Narrow distribution (ND) is ideal for narrow or aisle lighting applications and features precision-formed segmented optics utilizing Alanod Miro® 4 specular aluminum reflector. Provides 95% reflectivity and warranted for 25 years. Wide distribution (WD) includes high-reflectance white finish for general or open areas. Electrical system: Thermally protected, resetting, Class P, HPF, A+ sound-rated electronic ballast. AWM TFM or THHN wire used throughout rated for required temperatures. Installation: Suitable for suspension by chain, cable, hook monopoint, pendant Mono point or tong hanger.