LOWELL Manufacturing Company
Spec No. 1095
Model: 4-step sequential power panels
19”W­rackmount­panel­with­4-step­sequential­power,­optional
surge­suppression­and­alarm­interface­is­available­with­rocker­or
key-switch­activation.­Steel­chassis­has­a­total­of­9­outlets­(6
switched,­3­unswitched)­for­sequential­activation/deactivation­of
connected­equipment.­Delay­between­sequenced­steps­can­be
adjusted­(0.5-10­seconds)­using­a­small­screwdriver­(not­included)­to­avoid­unintended­changes.­ETL-listed­in­the­U.S.­and
Canada­to­UL­Standard­60065,­panel­has­a­power­rating­of­120V
AC,­ 60Hz/20A­ with­ EMI/RFI­ filtering.­ Includes­ 9-ft.­ cord­ with
NEMA­5-20P­plug.­
Rear­termination­blocks­accommodate­remote­switches,­external
triggers­and­an­alarm­system­interface­for­use­where­mandated
by­fire­code.­Includes­two­dry­contact­closures­(steps­5­and­6)
for­triggering­remote­power­control­units­(RPC-series­units­not
included).­Switches­can­be­overridden­for­life­safety­systems
where­fire­code­mandates­an­alarm­interface.­Some­models­also
include­optional­surge­suppression­function­that­defeats­surges
up­to­72,000A­and­is­UL1449-2­/­ANSI­C62.41-compliant.­­
Features:
• Total of 9 outlets: 6­switched­(2-single­on­back,­2-duplex­on
back);­3­unswitched­(1-single­on­front,­2-single­on­back).
• Power Rating: 120VAC,­60Hz,­20A­(each­receptacle­rated
15A)
• Actuation Switch: front­panel­rocker-­or­key-switch­with­momentary­contacts­(normally­open­SPST)­plus­rear­barrier­strip
termination­ blocks­ for­ momentary­ (normally­ open)­ remote
switches.­
• Alarm Interface: lock­on,­lock­off­and­switch­lock­functions
for­alarm­system­or­master­control­panel­applications.
• External Control Connections: plug-in­barrier­strip­terminal
blocks­
• EMI/RFI Filter: 19dB@500kHz,­42dB@30MHz
• Dimensions: 19"W­x­1.75"H­(1U)­x­9"D­
• Made in the U.S.A.
Optional:
• Advanced Surge Suppression: (see models in chart)
UL1449-2­adjunct­results:­1000­surges,­6000­volts,­3000A,­C1
and­B3­waveforms­(IEEE­C62.41),­no­failures.­
– LEDs­indicate­status:­if­one­section­of­the­surge­suppressor­has­reduced­protection,­there­are­two­additional­sections­available­to­safeguard­equipment.­­
– Initial­Clamping­Voltage:­­205V,­UL­rating­330V
REV. 07.30.14 (pg. 1/2)
The­19"­EIA­rackmount­power­panel­is­available­with­a
key­switch­or­rocker­switch­(shown).­This­model­also
includes­the­optional­surge­suppression­function.­
Panel­includes­9-ft.­cord­with­NEMA
5-20P­plug.­
­– Endurance:­IEEE­C62.41-1991,­B3­(C1),­Pulses­(lifetime):­1kv≥1,000,000;­3kv≥100,000;­6kv≥5000­
– Transient­Noise­Reduction:­­25dB@100kHz,
50dB@1MHz
– Response­Time:­­less­than­5­nanoseconds
– Applicable­Standards:­­IEEE­standard­587-80­A­&­B,
IEEE­standard­C62.41-1991,­IEC­1000-4-5-1995­(IEC
801-5).
– Protection­Mode:­­line­to­neutral,­zero­ground­leakage.­
A & E Specifications:
The­sequential­AC­rackmount­power­panel­shall­be­Lowell
Model­_________.­It­shall­be­ETL-listed­and­have­a­power­rating­of­120VAC,­60Hz/20A­with­EMI/RFI­filtering­and­a­total­of
9­outlets­(6­switched,­3­unswitched)­and­2­steps­providing­contact­closures­to­sequentially­activate/deactivate­equipment­(46­steps)­with­a­sequence­delay­of­0.5­to­10­seconds.­It­shall
be­housed­in­a­1U­rackmount­chassis­with­color-coded­LEDs.
Front­ activation­ shall­ be­ via­ a­ _________­ (rocker­ or­ key)
switch.­­­[OPTIONAL:­It­shall­provide­surge­protection­.]
Model No.
Description
ACSPR-SCS4-2009-RT2
20A­– AC­Rackmount­Panel­(1U)­with­sequencing,­remote­control,­advanced­surge­suppression,­rocker-switch­
ACR-SCS4-2009-RT2
ACR-SCS4-2009K-RT2­*
ACR-2009-SPSQK­*
20A­– AC­Rackmount­Panel­(1U)­with­sequencing,­remote­control,­rocker-switch­
20A­– AC­Rackmount­Panel­(1U)­with­sequencing,­remote­control,­key-switch­
20A­– AC­Rackmount­Panel­(1U)­with­sequencing,­remote­control,­advanced­surge­suppression,­key-switch­
* Discontinued model limited to current inventory. Call for availability.
©2014 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069 | 800.325.9660 | www.lowellmfg.com | Lowell makes every effort to provide
accurate information while reserving the right to change specifications and/or improve manufacturing methods without notification.
Spec No. 1095
REV. 07.30.14 (pg. 2/2)
Panel­is­available­with­rocker­or­key-switch.
Front
Unswitched
Surge­Suppression­
Remote­Trigger
Surge­Suppression­
Activated
Red­LED­flashes­when­cycling­down­and­remains
lit­when­system­is­off.­Green­LED­flashes­when
cycling­up­and­remains­lit­when­system­is­on.­
Rear
120VAC­60Hz
20A­­2400W
Unswitched
1­­­­­Switched­­­­­2
Switched­
3
Lock Off: A­maintained­contact­between­the
“COM”­terminal­and­the­“LOCK-OFF”­terminal
will­turn­the­system­off­and­keep­it­off­regardless­of­other­switch­activations.­If­the­system­is
already­off,­it­will­be­kept­off.
Lock On: A­maintained­contact­between­the
“COM”­terminal­and­the­“LOCK-ON”­terminal
will­turn­the­system­on­and­keep­it­on­regardless­of­other­switch­activations.­If­the­system­is
already­on,­it­will­be­kept­on.
Switch Lock: A­maintained­contact­between
the­“COM”­terminal­and­the­“SWITCH-LOCK”
terminal­will­lock­the­system­in­its­current­state,
either­on­or­off,­regardless­of­any­other­switch
activations.­­
Caution: Do­not­allow­alarm­system­to­make
more­than­one­of­the­contacts­described­above
at­ the­ same­ time.­ Controller­ board­ damage
may­result.
15A­1800W­max
Optional­surge­suppression­function
with­LEDs­that­indicate­if­there­is­full
or­reduced­protection.­
Switched­
4
TOP CLOSURE PANELS
Includes­9-ft.­cord­with­NEMA­5-20P­plug.­
ALARM SYSTEM INTERFACE
If­required­by­local­building­code,­facility­usage,
or­the­Fire­Marshal;­the­system­switches­can
be­ overridden­ and­ the­ system­ controlled­ by
contact­ closures­ provided­ by­ the­ fire­ alarm
panel­or­other­control­system.­A­maintained
contact­between­the­“com”­terminal­and­any­of
the­terminals­shown­here­will­provide­the­following­functions.
Circuit­Breaker
RPC TRIGGER CONNECTIONS
Multiple­ RPC-series­ remote­ power­ control
units­can­be­connected­to­outputs­5­and­6­(60
max.­each,­dependent­upon­limits­of­electrical
panel).­Order­RPC­units­separately.­
REMOTE SWITCH CONNECTIONS
Connect­a­maximum­of­5­remote­MOMENTARY
switches.­Order­switches­separately.*­
Four­conductors­(2­LED­switch).
RPC-series­remote
power­controls.
Three­conductors­(1­LED­switch).­
*­See­momentary­switches:­
• Models with 2 LEDs: RPSB2-MP,­RPSB2-MKP,­RPSW2-MP,
RPSW2-MKP,­RPSB2-MR,­RPSB2-MKR
• Models with 1 LED: RPSB-MP,­RPSB-MKP,­RPSW-MP,
RPSW-MKP,­RPSB-MR,­RPSB-MKR
Maximum wire distances: 24-ga­20,000­ft.­(approximately­3.5­miles);­22-ga.­31,200­ft.
(approx.­5.5­miles);­18-ga.­76,800­ft.­(approx.­13.5­miles).
©2014 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069 | 800.325.9660 | www.lowellmfg.com | Lowell makes every effort to provide
accurate information while reserving the right to change specifications and/or improve manufacturing methods without notification.

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