LED Heavy Duty High Bay

The ULBHD features high performance LED technology in a heavy duty aluminum housing. Wireguards are optional for added durability. Pendant, surface and cable mounting options are available. The ULBHD comes in 2-foot and 4-foot versions. There is a wide range of lumen outputs and several control options. Frosted diffusers are available to minimize glare and improve aesthetics. All boards and drivers are field replaceable. The ULBHD is assembled in the USA.

  • Applications: Suitable for most commercial and institutional applications - ideal for gymnasiums, recreation centers, manufacturing, warehouse
  • Lumen Output: From around 9,000 lm in ULB2 to just under 52,000 in the ULB4W VH lumen package. The ULB4W SH ("Super High") package ranges from ~64,000 lm up to just over 68,000
  • Max Lumens Per Watt: 175.2
  • Size Options: Available in 4-foot and 2-foot
  • Predicted L70 Lifetime: Up to 189,000 hours (calculated)
  • Warranty: 5 year limited system warranty. 10-year extended warranty available on specific models
  • Certifications: UL 1598 listed for US and Canada, suitable for damp locations. DesignLights Consortium qualified on specific configurations
  • Assembled in the USA: BAA compliant options also available
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ULB2W HD with wireguard
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ULB2W HD with wireguard and lenses
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Pendant stabilizer mounting option on ULB2W HD
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ULB2W HD with wireguard and lenses
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ULB2W HD with wireguard
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ULB2W HD with wireguard and lenses
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ULB2W HD with wireguard
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ULB2W HD with wireguard and lenses
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ULB2W HD with wireguard
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ULB2W HD with wireguard and lenses
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ULB2W HD with wireguard

ULBHD Performance Chart

Catalog #
QPL/UL Reference #Size/WidthLumensWattsLPWCRI / Color TempVoltages AvailableDLC ListedPredicted L70 LifetimeEquivalency*
ULB 2 LW UV 835
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PBL 2 LW UV 8352-foot/Standard904172125.180 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 150W MH, 2-lamp T5HO, or 3-lamp T8 with HBF in an open high bay
ULB 2 LW UV 840
Image
PBL 2 LW UV 8402-foot/Standard934072129.280 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 150W MH, 2-lamp T5HO, or 3-lamp T8 with HBF in an open high bay
ULB 2 LW UV 850
Image
PBL 2 LW UV 8502-foot/Standard962072133.180 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 150W MH, 2-lamp T5HO, or 3-lamp T8 with HBF in an open high bay
ULB 2 MD UV 835
Image
PBL 2 MD UV 8352-foot/Standard1142287131.380 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 250W MH, or 4-lamp T8 with HBF in an open high bay
ULB 2 MD UV 840
Image
PBL 2 MD UV 8402-foot/Standard1179987135.680 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 250W MH, or 4-lamp T8 with HBF in an open high bay
ULB 2 MD UV 850
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PBL 2 MD UV 8502-foot/Standard1215387139.780 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 250W MH, or 4-lamp T8 with HBF in an open high bay
ULB 2W MH UV 835

PBL 2W MH UV 8352-foot/Wide13432104129.280 CRI / 3500K120-277VYesUp to 189,000 hrs (calculated)
ULB 2W MH UV 840

PBL 2W MH UV 8402-foot/Wide13876104133.480 CRI / 4000K120-277VYesUp to 189,000 hrs (calculated)
ULB 2W MH UV 850

PBL 2W MH UV 8502-foot/Wide14292104137.480 CRI / 5000K120-277VYesUp to 189,000 hrs (calculated)
ULB 2W HI UV 835

PBL 2W HI UV 8352-foot/Wide17889119150.380 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 6-lamp T8 with HBF in an open high bay
ULB 2W HI UV 840

PBL 2W HI UV 8402-foot/Wide18385119154.480 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 6-lamp T8 with HBF in an open high bay
ULB 2W HI UV 850

PBL 2W HI UV 8502-foot/Wide18881119158.280 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 6-lamp T8 with HBF in an open high bay
ULB 4 SL UV 835

PBL 4 SL UV 8354-foot/Standard1199886139.580 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)
ULB 4 SL UV 840

PBL 4 SL UV 8404-foot/Standard1239486144.180 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)
ULB 4 SL UV 850

PBL 4 SL UV 8504-foot/Standard1276686148.480 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)
ULB 4 VL UV 835

PBL 4 VL UV 8354-foot/Standard13982104134.480 CRI / 3500K120-277VYesUp to 189,000 hrs (calculated)
ULB 4 VL UV 840

PBL 4 VL UV 840 4-foot/Standard14444104138.980 CRI / 4000K120-277VYesUp to 189,000 hrs (calculated)
ULB 4 VL UV 850

PBL 4 VL UV 8504-foot/Standard14877104143.180 CRI / 5000K120-277VYesUp to 189,000 hrs (calculated)
ULB 4 LW UV 835

PBL 4 LW UV 8354-foot/Standard17193136126.480 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 6-lamp T8 with HBF in an open high bay
ULB 4 LW UV 840

PBL 4 LW UV 8404-foot/Standard17761136130.680 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 6-lamp T8 with HBF in an open high bay
ULB 4 LW UV 850

PBL 4 LW UV 8504-foot/Standard18294136134.580 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 6-lamp T8 with HBF in an open high bay
ULB 4 MD UV 835
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PBL 4 MD UV 8354-foot/Standard20866155134.680 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 7-lamp T8 with HBF in an open high bay
ULB 4 MD UV 840
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PBL 4 MD UV 8404-foot/Standard21556155139.180 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 7-lamp T8 with HBF in an open high bay
ULB 4 MD UV 850
Image
PBL 4 MD UV 8504-foot/Standard22203155143.280 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 7-lamp T8 with HBF in an open high bay
ULB 4 HI UV 835
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PBL 4 HI UV 8354-foot/Standard22943174131.980 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W PSMH, 5-lamp T5HO, or 8-lamp T8 with HBF in an open high bay
ULB 4 HI UV 840
Image
PBL 4 HI UV 8404-foot/Standard23701174136.280 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W PSMH, 5-lamp T5HO, or 8-lamp T8 with HBF in an open high bay
ULB 4 HI UV 850
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PBL 4 HI UV 8504-foot/Standard24412174140.380 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W PSMH, 5-lamp T5HO, or 8-lamp T8 with HBF in an open high bay
ULB 4W LW UV 835

PBL 4W LW UV 8354-foot/Wide29538189156.380 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 7-lamp T5HO, or 10-lamp T8 with HBF in an open high bay
ULB 4W LW UV 840

PBL 4W LW UV 8404-foot/Wide30358189160.680 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 7-lamp T5HO, or 10-lamp T8 with HBF in an open high bay
ULB 4W LW UV 850

PBL 4W LW UV 8504-foot/Wide31178189165.180 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 7-lamp T5HO, or 10-lamp T8 with HBF in an open high bay
ULB 4W MD UV 835

PBL 4W MD UV 8354-foot/Wide34628226153.280 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 8-lamp T5HO, or 12-lamp T8 with HBF in an open high bay
ULB 4W MD UV 840

PBL 4W MD UV 8404-foot/Wide35589226157.480 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 8-lamp T5HO, or 12-lamp T8 with HBF in an open high bay
ULB 4W MD UV 850

PBL 4W MD UV 8504-foot/Wide36550226161.780 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 8-lamp T5HO, or 12-lamp T8 with HBF in an open high bay
ULB 4W HI UV 835

PBL 4W HI UV 8354-foot/Wide38979261149.380 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 750W PSMH, or 9-lamp T5HO in an open high bay
ULB 4W HI UV 840

PBL 4W HI UV 8404-foot/Wide40061261153.480 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 750W PSMH, or 9-lamp T5HO in an open high bay
ULB 4W HI UV 850

PBL 4W HI UV 8504-foot/Wide41143261157.680 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 750W PSMH, or 9-lamp T5HO in an open high bay
ULB 4W VH UV 835
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PBL 4W VH UV 8354-foot/Wide50727337150.580 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 1000W MH, or 12-lamp T5HO in an open high bay
ULB 4W VH UV 840
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PBL 4W VH UV 8404-foot/Wide52135337154.780 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 1000W MH, or 12-lamp T5HO in an open high bay
ULB 4W VH UV 850
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PBL 4W VH UV 8504-foot/Wide53543337158.980 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 1000W MH, or 12-lamp T5HO in an open high bay
ULB 4W SH UV 835

PBL 4W SH UV 8354-foot/Wide64345390165.180 CRI / 3500K120-277V, 347V, 480VNoUp to 189,000 hrs (calculated)1000W PS MH
ULB 4W SH UV 840

PBL 4W SH UV 8404-foot/Wide66472390170.680 CRI / 4000K120-277V, 347V, 480VYes - PremiumUp to 189,000 hrs (calculated)1000W PS MH
ULB 4W SH UV 850

PBL 4W SH UV 8504-foot/Wide68267390175.280 CRI / 5000K120-277V, 347V, 480VNoUp to 189,000 hrs (calculated)1000W PS MH
ULB 2 LW HE UV 835
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PBL 2 LW HE UV 8352-foot/Standard880567131.480 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 150W MH, 2-lamp T5HO, or 3-lamp T8 with HBF in an open high bay
ULB 2 LW HE UV 840
Image
PBL 2 LW HE UV 8402-foot/Standard909667135.880 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 150W MH, 2-lamp T5HO, or 3-lamp T8 with HBF in an open high bay
ULB 2 LW HE UV 850
Image
PBL 2 LW HE UV 8502-foot/Standard936967139.880 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 150W MH, 2-lamp T5HO, or 3-lamp T8 with HBF in an open high bay
ULB 2 MD HE UV 835
Image
PBL 2 MD HE UV 8352-foot/Standard1155385135.980 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 250W MH, or 4-lamp T8 with HBF in an open high bay
ULB 2 MD HE UV 840
Image
PBL 2 MD HE UV 8402-foot/Standard1193485140.480 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 250W MH, or 4-lamp T8 with HBF in an open high bay
ULB 2 MD HE UV 850
Image
PBL 2 MD HE UV 8502-foot/Standard1229285144.680 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 250W MH, or 4-lamp T8 with HBF in an open high bay
ULB 2W MH HE UV 835

PBL 2W MH HE UV 8352-foot/Wide13766100137.780 CRI / 3500K120-277VYesUp to 189,000 hrs (calculated)
ULB 2W MH HE UV 840

PBL 2W MH HE UV 8402-foot/Wide14221100142.280 CRI / 4000K120-277VYesUp to 189,000 hrs (calculated)
ULB 2W MH HE UV 850

PBL 2W MH HE UV 8502-foot/Wide14648100146.580 CRI / 5000K120-277VYesUp to 189,000 hrs (calculated)
ULB 2W HI HE UV 835
Image
PBL 2W HI HE UV 8352-foot/Wide17003106160.480 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 6-lamp T8 with HBF in an open high bay
ULB 2W HI HE UV 840
Image
PBL 2W HI HE UV 8402-foot/Wide17475106164.980 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 6-lamp T8 with HBF in an open high bay
ULB 2W HI HE UV 850
Image
PBL 2W HI HE UV 8502-foot/Wide17947106169.380 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 6-lamp T8 with HBF in an open high bay
ULB 4 SL HE UV 835

PBL 4 SL HE UV 8354-foot/Standard1201884143.180 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)
ULB 4 SL HE UV 840

PBL 4 SL HE UV 8404-foot/Standard1241684147.880 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)
ULB 4 SL HE UV 850

PBL 4 SL HE UV 8504-foot/Standard1278884152.280 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)
ULB 4 VL HE UV 835

PBL 4 VL HE UV 8354-foot/Standard13905100139.180 CRI / 3500K120-277VYesUp to 189,000 hrs (calculated)
ULB 4 VL HE UV 840

PBL 4 VL HE UV 8404-foot/Standard14365100143.780 CRI / 4000K120-277VYesUp to 189,000 hrs (calculated)
ULB 4 VL HE UV 850

PBL 4 VL HE UV 8504-foot/Standard1479610014880 CRI / 5000K120-277VYesUp to 189,000 hrs (calculated)
ULB 4 LW HE UV 835

PBL 4 LW HE UV 8354-foot/Standard15913118134.980 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 6-lamp T8 with HBF in an open high bay
ULB 4 LW HE UV 840

PBL 4 LW HE UV 8404-foot/Standard16439118139.380 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 6-lamp T8 with HBF in an open high bay
ULB 4 LW HE UV 850

PBL 4 LW HE UV 8504-foot/Standard16932118143.580 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 6-lamp T8 with HBF in an open high bay
ULB 4 MD HE UV 835
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PBL 4 MD HE UV 8354-foot/Standard19697140140.780 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 7-lamp T8 with HBF in an open high bay
ULB 4 MD HE UV 840
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PBL 4 MD HE UV 8404-foot/Standard20349140145.380 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 7-lamp T8 with HBF in an open high bay
ULB 4 MD HE UV 850
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PBL 4 MD HE UV 8504-foot/Standard20959140149.780 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W MH, 4-lamp T5HO, or 7-lamp T8 with HBF in an open high bay
ULB 4 HI HE UV 835
Image
PBL 4 HI HE UV 8354-foot/Standard23543174135.380 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W PSMH, 6-lamp T5HO, or 9-lamp T8 with HBF in an open high bay
ULB 4 HI HE UV 840
Image
PBL 4 HI HE UV 8404-foot/Standard24322174139.880 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W PSMH, 6-lamp T5HO, or 9-lamp T8 with HBF in an open high bay
ULB 4 HI HE UV 850
Image
PBL 4 HI HE UV 8504-foot/Standard2505117414480 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 400W PSMH, 6-lamp T5HO, or 9-lamp T8 with HBF in an open high bay
ULB 4W LW HE UV 835
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PBL 4W LW HE UV 8354-foot/Wide27935172162.480 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 7-lamp T5HO, or 10-lamp T8 with HBF in an open high bay
ULB 4W LW HE UV 840
Image
PBL 4W LW HE UV 8404-foot/Wide28710172166.980 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 7-lamp T5HO, or 10-lamp T8 with HBF in an open high bay
ULB 4W LW HE UV 850
Image
PBL 4W LW HE UV 8504-foot/Wide29485172171.480 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 7-lamp T5HO, or 10-lamp T8 with HBF in an open high bay
ULB 4W MD HE UV 835
Image
PBL 4W MD HE UV 8354-foot/Wide34279214160.280 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 8-lamp T5HO, or 12-lamp T8 with HBF in an open high bay
ULB 4W MD HE UV 840
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PBL 4W MD HE UV 8404-foot/Wide35230214164.680 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 8-lamp T5HO, or 12-lamp T8 with HBF in an open high bay
ULB 4W MD HE UV 850

PBL 4W MD HE UV 8504-foot/Wide36181214169.180 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 8-lamp T5HO, or 12-lamp T8 with HBF in an open high bay
ULB 4W HI HE UV 835
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PBL 4W HI HE UV 8354-foot/Wide38321246155.880 CRI / 3500K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 750W PSMH, or 9-lamp T5HO in an open high bay
ULB 4W HI HE UV 840
Image
PBL 4W HI HE UV 8404-foot/Wide39384246160.180 CRI / 4000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 750W PSMH, or 9-lamp T5HO in an open high bay
ULB 4W HI HE UV 850
Image
PBL 4W HI HE UV 8504-foot/Wide40447246164.480 CRI / 5000K120-277V, 347V, 480VYesUp to 189,000 hrs (calculated)Replaces 750W PSMH, or 9-lamp T5HO in an open high bay
*NOTE: Fixture equivalencies are estimates only and should be confirmed by photometric analysis or sample install to ensure adequate light levels are achieved. Lumen Adjustment Factors - FR lens: 0.93; Wireguard: 0.90; FR and Wireguard: 0.85