LT2037.761-US




Variants
Light distribution
[T-SYM-A] , [T-ASYM-A] , [T-CB-A]
Nominal LED lumens flux
8904 - 11008 lm
Nominal LED power
64 W (700 mA)
Rated luminaire lumens flux
6835 - 8500 lm
Rated luminaire power
70 W
Colour temperature
4000 K CRI 70, 3000 K CRI 80, 2200 K CRI 70
BUG rating
B3-U0-G3
Lifetime L90B50
>145, 000 hours
Lifetime L80B50
>145, 000 hours
Options
Control
On/Off, 1-10V, DALI, AstroDIM
Input voltage
120-277V 50/60Hz
Insulation class
Class I
Product colours







Extras
Finishing options
Double coating
Light output
Constant light output
Mounting
Standard strap connection. Sliding mounting bracket is optional through extra
Housing
Corrosion resistant die-cast aluminum housing
Finishing
Electrostatic powder coating
Fasteners
Stainless steel (grade 304)
Gasket
Silicone
Lens / Reflector
PMMA lens with high optical efficiency
Glass / Diffusor
Tempered safety glass
Impact protection
IK08
Ingress protection
IP66
Weight
19.5 lb
LED module
High power LEDs on metal-core PCB
Driver
Thermally-separated internal LED driver
Driver surge protection
6/4 kV
Power factor
> 0.98
Through wiring
Single cable entry
Cable
1 m of halogen-free cable
Downloads
Variants
Light distribution

[T-ASYM-A] Tunnel, Asymmetric, Type A

[T-CB-A] Tunnel, Counter beam, Type A

[T-SYM-A] Tunnel, Symmetric, Type A
Nominal LED lumens flux
11008 lm
10496 lm
8904 lm
Nominal LED power
64 W
Colour temperature
4000 K CRI 70
3000 K CRI 80
2200 K CRI 70
Variant code
Variant name
Optic
Nominal LED lumens flux
Variant code: LT2037.761-US-T-ASYM-A-700-722
Variant name: LED 32 - 64W - 700mA - 2200K CRI 70
Optic: [T-ASYM-A] Tunnel, Asymmetric, Type A
Nominal LED lumens flux: 8904 lm
Nominal LED lumens flux
8904 lm
Nominal LED power
64 W
Rated luminaire lumens flux
6835 lm
Rated luminaire power
70 W
Luminaire efficacy
98 lm/W
Lamp
32 LED
MacAdam Ellipse
3 SDCM
Lifetime L90B50
>145,000 hours
Lifetime L80B50
>145,000 hours
Variant code: LT2037.761-US-T-ASYM-A-700-740
Variant name: LED 32 - 64W - 700mA - 4000K CRI 70
Optic: [T-ASYM-A] Tunnel, Asymmetric, Type A
Nominal LED lumens flux: 11008 lm
Nominal LED lumens flux
11008 lm
Nominal LED power
64 W
Rated luminaire lumens flux
8450 lm
Rated luminaire power
70 W
Luminaire efficacy
121 lm/W
Lamp
32 LED
MacAdam Ellipse
3 SDCM
BUG rating
B3-U0-G3
Lifetime L90B50
>145,000 hours
Lifetime L80B50
>145,000 hours
Variant code: LT2037.761-US-T-ASYM-A-700-830
Variant name: LED 32 - 64W - 700mA - 3000K CRI 80
Optic: [T-ASYM-A] Tunnel, Asymmetric, Type A
Nominal LED lumens flux: 10496 lm
Nominal LED lumens flux
10496 lm
Nominal LED power
64 W
Rated luminaire lumens flux
7689 lm
Rated luminaire power
70 W
Luminaire efficacy
110 lm/W
Lamp
32 LED
MacAdam Ellipse
3 SDCM
BUG rating
B3-U0-G3
Lifetime L90B50
>145,000 hours
Lifetime L80B50
>145,000 hours
Variant code: LT2037.761-US-T-CB-A-700-722
Variant name: LED 32 - 64W - 700mA - 2200K CRI 70
Optic: [T-CB-A] Tunnel, Counter beam, Type A
Nominal LED lumens flux: 8904 lm
Nominal LED lumens flux
8904 lm
Nominal LED power
64 W
Rated luminaire lumens flux
6835 lm
Rated luminaire power
70 W
Luminaire efficacy
98 lm/W
Lamp
32 LED
MacAdam Ellipse
3 SDCM
Lifetime L90B50
>145,000 hours
Lifetime L80B50
>145,000 hours
Variant code: LT2037.761-US-T-CB-A-700-740
Variant name: LED 32 - 64W - 700mA - 4000K CRI 70
Optic: [T-CB-A] Tunnel, Counter beam, Type A
Nominal LED lumens flux: 11008 lm
Nominal LED lumens flux
11008 lm
Nominal LED power
64 W
Rated luminaire lumens flux
8500 lm
Rated luminaire power
70 W
Luminaire efficacy
121 lm/W
Lamp
32 LED
MacAdam Ellipse
3 SDCM
BUG rating
B3-U0-G3
Lifetime L90B50
>145,000 hours
Lifetime L80B50
>145,000 hours
Variant code: LT2037.761-US-T-CB-A-700-830
Variant name: LED 32 - 64W - 700mA - 3000K CRI 80
Optic: [T-CB-A] Tunnel, Counter beam, Type A
Nominal LED lumens flux: 10496 lm
Nominal LED lumens flux
10496 lm
Nominal LED power
64 W
Rated luminaire lumens flux
8136 lm
Rated luminaire power
70 W
Luminaire efficacy
116 lm/W
Lamp
32 LED
MacAdam Ellipse
3 SDCM
BUG rating
B3-U0-G3
Lifetime L90B50
>145,000 hours
Lifetime L80B50
>145,000 hours
Variant code: LT2037.761-US-T-SYM-A-700-722
Variant name: LED 32 - 64W - 700mA - 2200K CRI 70
Optic: [T-SYM-A] Tunnel, Symmetric, Type A
Nominal LED lumens flux: 8904 lm
Nominal LED lumens flux
8904 lm
Nominal LED power
64 W
Rated luminaire lumens flux
6835 lm
Rated luminaire power
70 W
Luminaire efficacy
98 lm/W
Lamp
32 LED
MacAdam Ellipse
3 SDCM
Lifetime L90B50
>145,000 hours
Lifetime L80B50
>145,000 hours
Variant code: LT2037.761-US-T-SYM-A-700-740
Variant name: LED 32 - 64W - 700mA - 4000K CRI 70
Optic: [T-SYM-A] Tunnel, Symmetric, Type A
Nominal LED lumens flux: 11008 lm
Nominal LED lumens flux
11008 lm
Nominal LED power
64 W
Rated luminaire lumens flux
8499 lm
Rated luminaire power
70 W
Luminaire efficacy
121 lm/W
Lamp
32 LED
MacAdam Ellipse
3 SDCM
BUG rating
B3-U0-G3
Lifetime L90B50
>145,000 hours
Lifetime L80B50
>145,000 hours
Variant code: LT2037.761-US-T-SYM-A-700-830
Variant name: LED 32 - 64W - 700mA - 3000K CRI 80
Optic: [T-SYM-A] Tunnel, Symmetric, Type A
Nominal LED lumens flux: 10496 lm
Nominal LED lumens flux
10496 lm
Nominal LED power
64 W
Rated luminaire lumens flux
7734 lm
Rated luminaire power
70 W
Luminaire efficacy
110 lm/W
Lamp
32 LED
MacAdam Ellipse
3 SDCM
BUG rating
B3-U0-G3
Lifetime L90B50
>145,000 hours
Lifetime L80B50
>145,000 hours
All flux and power values derived following appropriate IES, CIE and applicable standards.
Descriptions
Variants
Light distribution
Drive current

[T-ASYM-A]
Tunnel, Asymmetric, Type A

[T-CB-A]
Tunnel, Counter beam, Type A

[T-SYM-A]
Tunnel, Symmetric, Type A
Drive current

[700]
700 mA
Colour temperature

[722]
2200 K CRI 70

[830]
3000 K CRI 80

[740]
4000 K CRI 70
Options
Control
Input voltage

[ONOFF]
On/Off

[1-10V]
1-10V

[DALI]
DALI

[ASTRO]
AstroDIM
Input voltage

[UNI]
120-277V 50/60Hz
Insulation class
Product colours

[C1]
Class I
Product colours

[HM1]
Black (Textured)

[HM2]
Dark grey (Textured)

[HM3]
Anthracite grey (Textured)

[HM4]
Light grey (Textured)

[HM5]
White (Textured)

[HM6]
Bronze (Textured)

[CC]
Custom Colour (Please specify RAL code)
Extras
Finishing options
Light output

[DC]
Double coating
Light output

[CLO]
Constant light output