Specification Sheet
MHB
Mini High Bay
Value & Performance — You Deserve Both.
Proudly
Designed & Assembled
IN THE USA*
Features
• Full body construction (white finish)
• Premium LEDs
• Available in 4000K and 5000K with CRI>80
• Over 70% lumen maintenance at 85,000 hours
• Suitable for ambient temperature up to 55°C (131°F) for
MHBA and MHBD models. Temperature rating is configuration dependent and detail is provided under performance
table on page 3.
• Power Factor (PF) >0.9
• Total Harmonic Distortion (THD) ≤ 20%
• Driver standard with 0 – 10V dimming
• Inbuilt surge protection
• Ideally suited for suspension mounting with optional wire
cable hanging kit or chain and V-clips
• Access plate on back of the fixture for quick and easy wiring
• Available options:
• Clear and Frosted Lens
• Choose Option -D or -M for Title 24 compliance in
California
• Factory Installed Cord/Cordset
• Wireguard (Sold separately as an accessory)
• UL Listed for Damp Locations
• Warranty: 5 years
Project:
Catalog#:
Approved by:
Applications
Warehouse Cafeteria Gymnasium
Manufacturing Facility Auditorium
Description
MHB series highbay fixture offers quality lighting for wide
ranging applications and delivers excellent energy savings
compared to fluorescent and HID fixtures. This fixture series
is available in multiple lumen outputs and is configurable with
various options to meet your needs.
Benefits
• Designed for long LED life
• Energy saving compared to HID and fluorescent systems
• Exceptional color rendering
• High system efficacy up to 159 Lm/W
• System Designed, Manufactured, Tested, and Approved
by Howard Industries in Mendenhall, Mississippi
• Compliant with safety and performance standards
Dimensions
MHB A,B & C Length: 16”, Width: 14”, Depth: 3.5”
MHB D,E & F Length: 30”, Width: 14”, Depth: 3.5”
Model Selection Guide
Model #
MHBA 15,250 15’ - 25’ 6- Lamp - T8 32W 250W
MHBB 22,500 20’ - 30’
MHBC 28,500
MHBD 30,500
MHBE 46,500
MHBF 56,000 10-Lamp T5 HO 54W 1000W
*Foreign and domestic components.
Specifications subject to change without
notice.
Lumen Output
Mounting Height Fluorescent Replacement HID Replacement
25’ - 40’ 6-Lamp T5 HO 54W
30’ - 50’
Howard Lighting Products | 580 Eastview Drive | Laurel, MS 39443
(toll free) 800.956.3456 | (direct) 601.422.0033 | (fax) 601.422.1652
Suggested
4-Lamp T5 HO 54W
8-Lamp T8 32W
8-Lamp T5 HO 54W 750W
www.HowardLightingProducts.com
400W
Visit www.designlights.org
for the Qualified Product List
Installation
Instructions
IES
Zip File
Page 1 of 4
Rev: 4/23/2020
Specification Sheet
MHB
Ordering Information
Series Configuration Color Lens Input Voltage Options Cord Set Options
MHB C 4K 0 MV M 05
A:
15,250 Lumens,
95W
B:
22,500 Lumens,
155W
C1:
MHB
Mini High
Bay
1
Lens configurations with MHBC and MHBF Series fixtures are not recommended for ambient temperature above 35°C (95°F). Lens options for these fixtures are NOT
offered in 480V construction. 2Not pre-assembled to fixture. 3Cord set options are not offered with emergency battery backup option due to an unswitched AC
power source requirements for the emergency module. Lumen output is dependent on lens configuration. Lumen output is reduced by up to 20% with a frosted lens. Option
-S is not connected to protect the emergency driver, it is connected to protect the rest of the fixture. 4Choose option –D, or -M for Title 24 compliance in California.
5
Factory installed wire guard option is not DLC Listed. 6AOU is a factory installed, passive 8-position, 0-10V step-dimmer that can be easily adjusted with a flat-blade
screwdriver. The unit comes factory set at “#8” which is the maximum output level. Approximate wattage input percentages are shown in the table below. The unit consumes
negligible standby power and can be removed to convert the luminaire to standard 0–10V dimming. DO NOT combine option -M & -U or -D & -U.
28,500 Lumens,
195W
D:
30,500 Lumens,
190W
E:
46,500 Lumens,
310W
F1:
56,000 Lumens,
385W
•MHBA5K0MV •MHBB5K0MV •MHBC5K0MV
•MHBE5K0MV •MHBF5K0MV
4K:
4000K
5K:
5000K
0: No Lens
C: Clear
Acrylic Lens
F: Frosted
Acrylic Lens
Rapid Ship Models
Available to ship next day
MV:
120-277V
AX:
480V
Accessory Guide
Compatible Models Model Number Description
MHB-CLF Clear Acrylic Lens w/Steel Frame.
MHB-
A, B, C
MHB-FLF Frosted Acrylic Lens w/Steel Frame.
MHB-WG Wire Guard for use with fixtures with a lens and frame preinstalled.
(Blank): No FIOs
A2: Occ. Sensor (on/off only; 120/277V
or 480V as required; contact factory for
208/240V)
B3: Emergency Battery Backup (up to
1800 lm)
D4: Dimming Occ. Sensor (remote
capable; 120/277V or 480V as required;
contact factory for 208/240V)
M4: Microwave
Sensor (120/277V)
G5: Wire Guard
S: Surge Protection (20kV)
J: Pendant Mount J-Box
U6: Adjustable Output Unit (AOU)
Rapid Ship Cords
•CO-01AP •CS-03AP •CO-02AP
•CS-07AP •CO-02AP •CS-05AP
These items come with strain relief bushing
and access plate. Available to ship next day.
(Blank): Standard
Disconnect
01: 6’ SJT 18/3 (no plug)
02: 10’ SJT 18/3 (no plug)
03: 6’ SJT 18/3 L5-15 twist
lock 120V
05: 6’ SJT 18/3 5-15 non
twist lock 120V
07: 6’ SJT 18/3 L7-15 twist
lock 277V
09: 6’ SJT 7-15 non twist
lock 277V
MHB-
D, E, F
MHB-
A, B, C, D, E, F
Specifications subject to change without
notice.
MHB-WGF Wire Guard with Steel Frame for use with fixture without a lens.
MHB2-CLF Clear Acrylic Lens w/Steel Frame.
MHB2-FLF Frosted Acrylic Lens w/Steel Frame.
MHB2-WG Wire Guard for use with fixtures with a lens and frame preinstalled.
MHB2-WGF Wire Guard with Steel Frame for use with fixture without a lens.
HF-WCH3 Wire Cable Hanging Kit (2 pcs/kit, 5 foot long).
HF-2CV Hanging Chains (2 foot) and V-clips
HF-3CV Hanging Chains (3 foot) and V-clips
HLP-OS-FSIR-100 Wireless handheld configuration tool for Watt Stopper Sensors (option “D” sensors)
Howard Lighting Products | 580 Eastview Drive | Laurel, MS 39443
(toll free) 800.956.3456 | (direct) 601.422.0033 | (fax) 601.422.1652
www.HowardLightingProducts.com
Page 2 of 4
Rev: 4/23/2020
Emergency Battery Backup
Specification Sheet
MHB
Model Number Light Engines illuminated
MHBA & MHBD 2 Engines
MHBB, MHBC, MHBE, MHBF 1 Engine
Adjustable Output Unit
Dimensions: Length: 2.0”, Width: 1.3”, Depth: 0.8”
AOU Position Selector Guide
(in percentage of original power)
Input Power*
*Input power provided for estimation purposes only. Actual usage may vary by ±3%.
#8 #7 #6 #5 #4 #3 #2 #1
100% 92% 81% 70% 59% 49% 39% 28%
Additional Product Images
~ Lumen Output
1800 lm
Specifications subject to change without
notice.
Howard Lighting Products | 580 Eastview Drive | Laurel, MS 39443
(toll free) 800.956.3456 | (direct) 601.422.0033 | (fax) 601.422.1652
www.HowardLightingProducts.com
Page 3 of 4
Rev: 4/23/2020
Specification Sheet
MHB
MHB Performance Details
Lumen Output
Configuration
No-Lens
Clear 12960 13210 136
Frosted 12210 12450 128
No-Lens
MHBA
Clear 12980 13230 131
Frosted 12230 12470 123 Standard
No-Lens
Clear 19100 19330 123
Frosted 17960 18220 116
No-Lens
MHBB
Clear 19000 19370 117
Frosted 17900 18250 111
No-Lens
Clear 23370 23850 122 Not recommended
Frosted 22050 22500 115
MHBC
No-Lens 480V 28230 28790 202 140 40°C (104°F) 120k 33k
120-
277V
480V
120-
277V
480V
120-
277V
5000K;
83CRI
15140 15440
15170 15470
22420 22600
22200 22640
28180 28680
4000K;
83CRI
RS
RS
RS
Input
Power
(W)
95
99
157
162
193
Efficacy
(lm/W)
@5000K
CCT
159
153
143
137 145k 40k Premium
146 45°C (113°F) 135k 37k Premium
RS: Rapid ship models available to ship next day
Max. Ambient
Temperature
55°C
(131°F)
50°C
(122°F)
for ambient above
35°C (95°F)
L70
(hours)
200K 55K
155k 42k Premium
110k 30k Standard
100k 28k Standard
85k 22k
L90
(hours)
Premium
Standard
DLC
No-Lens
Clear 25880 26390 136
Frosted 24390 24870 128
No-Lens
MHBD
Clear 25930 26440 130
Frosted 24430 24910 123 Standard
No-Lens
Clear 38310 39070 124
Frosted 35700 36400 115
No-Lens
MHBE
Clear 38380 39140 119 100k 28k Standard
No-Lens
Clear 46140 47100 121 Not recommended
Frosted 42980 43880 112
MHBF
No-Lens 480V 55960 57060 403 139 40°C (104°F) 120k 33k
Specifications subject to change without
notice.
120-
277V
480V
46030 46930
120-
277V
480V
55620 56580
120-
277V
30250 30850
30310 30900
RS
46110 47020
RS
Howard Lighting Products | 580 Eastview Drive | Laurel, MS 39443
(toll free) 800.956.3456 | (direct) 601.422.0033 | (fax) 601.422.1652
159
190
152
199
149
309
143 145k 40k Premium
323
145 45°C (113°F) 120k 33k
384
for ambient above
35°C (95°F)
www.HowardLightingProducts.com
55°C
(131°F)
50°C
(122°F)
Premium
4000K
200K 55K
155k 42k Premium
110k 30k Standard
85k 22k
Premium
5000K
Standard
Premium
Standard
Page 4 of 4
Rev: 4/23/2020
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