LED Heavy Duty High Bay
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Spec sheets: ULBHD 2 | ULBHD 2W | ULBHD 4 | ULBHD 4W
Photometry: Coming Soon
High-res images: ULB2W HD with wireguard | ULB2W HD with wireguard, lenses
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 made in the USA - in our Henderson, NC facility, utilizing mostly domestic and some foreign components.
- 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 HD ("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
- Made in the USA, in our Henderson, NC facility, utilizing mostly domestic and some foreign components. BAA compliant options are available
ULBHD with wireguard accessory
ULBHD Performance Chart
| QPL/UL Reference # | Size/Width | Lumens | Watts | LPW | CRI / Color Temp | Voltages Available | DLC Listed | Predicted L70 Lifetime | Equivalency* | |
|---|---|---|---|---|---|---|---|---|---|---|
| ULB 2 LW UV 835 Image | PBL 2 LW UV 835 | 2-foot/Standard | 9041 | 72 | 125.1 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 2-foot/Standard | 9340 | 72 | 129.2 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 2-foot/Standard | 9620 | 72 | 133.1 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 835 | 2-foot/Standard | 11422 | 87 | 131.3 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 2-foot/Standard | 11799 | 87 | 135.6 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up to 189,000 hrs (calculated) | Replaces 250W MH, or 4-lamp T8 with HBF in an open high bay |
| ULB 2 MD UV 850 Image | PBL 2 MD UV 850 | 2-foot/Standard | 12153 | 87 | 139.7 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 835 | 2-foot/Wide | 13432 | 104 | 129.2 | 80 CRI / 3500K | 120-277V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 2W MH UV 840 | PBL 2W MH UV 840 | 2-foot/Wide | 13876 | 104 | 133.4 | 80 CRI / 4000K | 120-277V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 2W MH UV 850 | PBL 2W MH UV 850 | 2-foot/Wide | 14292 | 104 | 137.4 | 80 CRI / 5000K | 120-277V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 2W HI UV 835 | PBL 2W HI UV 835 | 2-foot/Wide | 17889 | 119 | 150.3 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 2-foot/Wide | 18385 | 119 | 154.4 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 2-foot/Wide | 18881 | 119 | 158.2 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 835 | 4-foot/Standard | 11998 | 86 | 139.5 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 4 SL UV 840 | PBL 4 SL UV 840 | 4-foot/Standard | 12394 | 86 | 144.1 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 4 SL UV 850 | PBL 4 SL UV 850 | 4-foot/Standard | 12766 | 86 | 148.4 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 4 VL UV 835 | PBL 4 VL UV 835 | 4-foot/Standard | 13982 | 104 | 134.4 | 80 CRI / 3500K | 120-277V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 4 VL UV 840 | PBL 4 VL UV 840 | 4-foot/Standard | 14444 | 104 | 138.9 | 80 CRI / 4000K | 120-277V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 4 VL UV 850 | PBL 4 VL UV 850 | 4-foot/Standard | 14877 | 104 | 143.1 | 80 CRI / 5000K | 120-277V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 4 LW UV 835 | PBL 4 LW UV 835 | 4-foot/Standard | 17193 | 136 | 126.4 | 80 CRI / 3500K | 120-277V, 347V, 480V | No | Up 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 840 | 4-foot/Standard | 17761 | 136 | 130.6 | 80 CRI / 4000K | 120-277V, 347V, 480V | No | Up 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 850 | 4-foot/Standard | 18294 | 136 | 134.5 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 Image | PBL 4 MD UV 835 | 4-foot/Standard | 20866 | 155 | 134.6 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 Image | PBL 4 MD UV 840 | 4-foot/Standard | 21556 | 155 | 139.1 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 4-foot/Standard | 22203 | 155 | 143.2 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 Image | PBL 4 HI UV 835 | 4-foot/Standard | 22943 | 174 | 131.9 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 4-foot/Standard | 23701 | 174 | 136.2 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 Image | PBL 4 HI UV 850 | 4-foot/Standard | 24412 | 174 | 140.3 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 835 | 4-foot/Wide | 29538 | 189 | 156.3 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 4-foot/Wide | 30358 | 189 | 160.6 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 4-foot/Wide | 31178 | 189 | 165.1 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 835 | 4-foot/Wide | 34628 | 226 | 153.2 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 4-foot/Wide | 35589 | 226 | 157.4 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 4-foot/Wide | 36550 | 226 | 161.7 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 835 | 4-foot/Wide | 38979 | 261 | 149.3 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 4-foot/Wide | 40061 | 261 | 153.4 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 4-foot/Wide | 41143 | 261 | 157.6 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up to 189,000 hrs (calculated) | Replaces 750W PSMH, or 9-lamp T5HO in an open high bay |
| ULB 4W VH UV 835 Image | PBL 4W VH UV 835 | 4-foot/Wide | 50727 | 337 | 150.5 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up to 189,000 hrs (calculated) | Replaces 1000W MH, or 12-lamp T5HO in an open high bay |
| ULB 4W VH UV 840 Image | PBL 4W VH UV 840 | 4-foot/Wide | 52135 | 337 | 154.7 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up to 189,000 hrs (calculated) | Replaces 1000W MH, or 12-lamp T5HO in an open high bay |
| ULB 4W VH UV 850 Image | PBL 4W VH UV 850 | 4-foot/Wide | 53543 | 337 | 158.9 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up to 189,000 hrs (calculated) | Replaces 1000W MH, or 12-lamp T5HO in an open high bay |
| ULB 2 LW HE UV 835 Image | PBL 2 LW HE UV 835 | 2-foot/Standard | 8805 | 67 | 131.4 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 2-foot/Standard | 9096 | 67 | 135.8 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 2-foot/Standard | 9369 | 67 | 139.8 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 835 | 2-foot/Standard | 11553 | 85 | 135.9 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 2-foot/Standard | 11934 | 85 | 140.4 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 2-foot/Standard | 12292 | 85 | 144.6 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 835 | 2-foot/Wide | 13766 | 100 | 137.7 | 80 CRI / 3500K | 120-277V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 2W MH HE UV 840 | PBL 2W MH HE UV 840 | 2-foot/Wide | 14221 | 100 | 142.2 | 80 CRI / 4000K | 120-277V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 2W MH HE UV 850 | PBL 2W MH HE UV 850 | 2-foot/Wide | 14648 | 100 | 146.5 | 80 CRI / 5000K | 120-277V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 2W HI HE UV 835 Image | PBL 2W HI HE UV 835 | 2-foot/Wide | 17003 | 106 | 160.4 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 2-foot/Wide | 17475 | 106 | 164.9 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 2-foot/Wide | 17947 | 106 | 169.3 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 835 | 4-foot/Standard | 12018 | 84 | 143.1 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 4 SL HE UV 840 | PBL 4 SL HE UV 840 | 4-foot/Standard | 12416 | 84 | 147.8 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 4 SL HE UV 850 | PBL 4 SL HE UV 850 | 4-foot/Standard | 12788 | 84 | 152.2 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 4 VL HE UV 835 | PBL 4 VL HE UV 835 | 4-foot/Standard | 13905 | 100 | 139.1 | 80 CRI / 3500K | 120-277V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 4 VL HE UV 840 | PBL 4 VL HE UV 840 | 4-foot/Standard | 14365 | 100 | 143.7 | 80 CRI / 4000K | 120-277V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 4 VL HE UV 850 | PBL 4 VL HE UV 850 | 4-foot/Standard | 14796 | 100 | 148 | 80 CRI / 5000K | 120-277V | Yes | Up to 189,000 hrs (calculated) | |
| ULB 4 LW HE UV 835 | PBL 4 LW HE UV 835 | 4-foot/Standard | 15913 | 118 | 134.9 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 4-foot/Standard | 16439 | 118 | 139.3 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 4-foot/Standard | 16932 | 118 | 143.5 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 Image | PBL 4 MD HE UV 835 | 4-foot/Standard | 19697 | 140 | 140.7 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 Image | PBL 4 MD HE UV 840 | 4-foot/Standard | 20349 | 140 | 145.3 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 Image | PBL 4 MD HE UV 850 | 4-foot/Standard | 20959 | 140 | 149.7 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 835 | 4-foot/Standard | 23543 | 174 | 135.3 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 4-foot/Standard | 24322 | 174 | 139.8 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 4-foot/Standard | 25051 | 174 | 144 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 Image | PBL 4W LW HE UV 835 | 4-foot/Wide | 27935 | 172 | 162.4 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 4-foot/Wide | 28710 | 172 | 166.9 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 4-foot/Wide | 29485 | 172 | 171.4 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 835 | 4-foot/Wide | 34279 | 214 | 160.2 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 Image | PBL 4W MD HE UV 840 | 4-foot/Wide | 35230 | 214 | 164.6 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 4-foot/Wide | 36181 | 214 | 169.1 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up 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 Image | PBL 4W HI HE UV 835 | 4-foot/Wide | 38321 | 246 | 155.8 | 80 CRI / 3500K | 120-277V, 347V, 480V | Yes | Up 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 840 | 4-foot/Wide | 39384 | 246 | 160.1 | 80 CRI / 4000K | 120-277V, 347V, 480V | Yes | Up 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 850 | 4-foot/Wide | 40447 | 246 | 164.4 | 80 CRI / 5000K | 120-277V, 347V, 480V | Yes | Up to 189,000 hrs (calculated) | Replaces 750W PSMH, or 9-lamp T5HO in an open high bay |