Eaton's AL Series dimmers offer versatile options
to set the mood and reduce energy consumption.
Visit www.cooperwiringdevices.com/ALSeries for
more information.
*Note: The Rapid Start feature is used to ensure the right amount of power boost during
start-up. When a dimmer with Rapid Start is turned on from a low dimmer setting,
the LED lighting may exhibit a momentary flash. Designated dimmer models offer an
adjustment of the Rapid Start feature. The user may wish to adjust this setting to reduce
the boost and resulting momentary flash. If this capability is desired, the user should
select dimmer models noted as “fully adjustable” or “selectable ON or OFF”.
1) Start time is measured at the lowest dimmer setting.
2) Some LED dimmers have a "rapid start" design used to provide a momentary power boost to LED and CFL lamps during start-up.
When a LED luminaire is on a dimmer with "rapid start" the boost may cause a momentary flash of the LED lighting. This "flash"
is generated by the dimmer, and may be more noticeable when the dimmer is at a low setting. A solution is available with EATON
dimmers which provide adjustment capability of the "rapid start": Devine (DAL06P), Accell (AAL06P), and Trace (TAL06P). Refer to
product specifications online at www.eaton.com/lighting for more details.
Dimming Guide Disclaimer:
1) Leviton
®
is a registered trademark of Leviton Manufacturing Co. Inc.; Lutron® is a registered trademark of Lutron Electronics Co.
Inc.; Lightolier® is a registered trademark of Philips Lighting; Hubbell® is a registered trademark of Hubbell Incorporated; Legrand® and
Pass & Seymour® are registered trademarks of Legrand®. These companies and their tradenames, trademarks or brands, where noted,
are associated with their respective company and are not associated with EATON.
2) Testing conducted by EATON is not a substitute for and does not imply certification by an independent laboratory or any other
standards certification.Refer to the manufacturer specifications for more detailed information on product certifications and standards.
3) This is a representative list of typical dimmers as tested by EATON lighting solutions business for performance with the designated
LED luminaires only. Test data contained in this literature is based upon dimmers obtained in the marketplace.Information about
these other manufacturers products is obtained from packaging and published information made available by the manufacturer and is
deemed to be reliable, but has not been verified.Dimmer performance and perceived limitations of the dimmers are based on factors
outside of EATON's control.The specifications of these dimming controls and their conditions of use may change without notice to
EATON lighting solutions or any other user.EATON lighting solutions makes no specific recommendation on product selection and
there are no warranties of performance or compatibility implied. Installer must ensure proper local and national electrical codes are
followed; and that the dimmer application and condition of use is per dimmer manufacturer instructions and guidelines.
10
Eaton RA & RL Dimming Guide - PA518057EN
Page 11
Application Note - H277, H347 and H347200 step-down transformers are qualified to drive
multiple Halo LED on a single circuit in Non-IC construction. Installation of these transformers
with individual LED fixtures on circuits with multiple LED loads is not recommended. This is
not recommended due to resulting multiple inductive currents pulled by each transformer; in
this situation the majority of the power would then be reactive (VARS) and not real (WATTS). If
H277, H347 or H347200 transformers should be used individually on each LED fixture in a single
circuit, then that circuit should be sized for lowered power factor as well as increased apparent
power on the circuit. H277, H347 and H347200 are UL/cUL listed for use with Halo recessed
housings: H750T, H750TCP, H7T, H7TNB, H7RT.
H277
277V Step Down Transformer,
300VA
Step Down Transformers
H277 = Steps 277 line voltage down to 120 volts. Attaches to knockout on first fixture’s junction
box in a circuit and is 300VA rated. H277 is a UL recognized Component listed under the luminaire
UL/cUL listing for Halo Non-IC housings.
H347 and H347200 = Steps 347 line voltage down to 120 volts. Attaches to knockout on first
fixture’s junction box in a circuit. H347 is 75VA and H347200 is 200VA rated. H347 is a CSA/UL
Listed Component for use under the luminaire UL/cUL listing with Halo Non-IC housings.
Transformer Load - H277 (300VA)
1. H277 Transformer at full loading consumes a maximum of 16W of power.
2. When a dimmer or switch is on the secondary (120V) side of the transformer, power is
consumed by the transformer when the dimmer or switch is in “OFF” mode at 6.5W and in
“ON” mode at 16W maximum under full loading.
3. When a dimmer or switch is on the primary (277V) side ahead of the transformer, power is
consumed only in “ON” mode to a maximum of 16W under full loading.
(Use of a dimmer ahead of the transformer is not recommended)
Transformer Load - H347 (75VA)
1. H347 Transformer at full loading consumes a maximum of 15W of power.
2. When a dimmer or switch is on the secondary (120V) side of the transformer, power is
consumed by the transformer when the dimmer or switch is in “OFF” mode at 2.5W and in
“ON” mode at 15W maximum under full loading.
3. When a switch is on the primary (347V) side ahead of the transformer, power is consumed
only in “ON” mode to a maximum of 15W under full loading.
(Use of a dimmer ahead of the transformer is not recommended)
Transformer Load - H347200 (200VA)
1. H347200 Transformer at full loading on 120V side consumes a maximum of 28W of power.
2. When a dimmer or switch is on the secondary (120V) side of the transformer, power is
consumed by the transformer when the dimmer or switch is in “OFF” mode at 9.2W and in
“ON” mode at 28W maximum under full loading.
3. When a switch is on the primary (347V) side ahead of the transformer, power is consumed
only in “ON” mode to a maximum of 28W under full loading.
When a switch is on the primary (277V) side ahead of the transformer, power is consumed
only in “ON” mode to a maximum of 12W under full loading.
(Use of a dimmer ahead of the transformer is not recommended)
2-3/16”
[56mm]
4-3/16”
[106mm]
H277
H347
347V Step Down Transformer,
75VA
2-1/2”
[63mm]
2-3/4”
[70mm]
H347
H347200
347V Step Down Transformer,
200VA
RL56 Retrofit LED Downlight Series
(RL56 Maximum Units on Step Down Transformer Powered Circuits)
TransformerVA Rating600 Series 900 Series
H277
H347
H347200
3002416
7564
2001610
Max # of Fixtures
2-3/16”
[56mm]
[121mm]
Eaton RA & RL Dimming Guide - PA518057EN
H347200
4-3/4”
11
Page 12
Transformer with Dimmer/Switch on 120V Secondary
120V Dimmer or Switch
Hot
Transformer
277V
(347V)
Hot
120V
LEDLEDLED
Neutral
Neutral
Ground
Dimmer Neutral Connection typical with some Dimmers
Transformer with Switch on 277V Primary
Switch*
Hot
Neutral
277V
Transformer
120V
Hot
Neutral
LEDLEDLED
Ground
*Use of a dimmer ahead of the transformer is not recommended
Transformer with Switch on 347V Primary
347V Switch*
Hot
Transformer
347V
120V
Neutral
Ground
*Use of a dimmer ahead of the transformer is not recommended
Hot
Neutral
LEDLEDLED
Eaton
1121 Highway 74 South
Peachtree City, GA 30269
P: 770-486-4800
www.eaton.com/lighting
Specifications and
dimensions subject to
change without notice.
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