PA and PB Series
Panel Protection Devices
T
he Sentrex PA and PB Series surge protection devices
protect your sensitive electronic equipment from
external or internal transient activity. Units can be
customized with remote monitoring, noise filtration and flush
mount options.
All PA and PB units are approved for indoor or outdoor
use and feature all-mode protection. Units provide excellent
protection when placed at branch panels or at specific
pieces of equipment. They can also suppress external surges
when mounted at the main service panel.
PA and PB Series surge protection devices are an integral
part of the Sentrex Zoned Approach to Whole Building
Protection.
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Up to 160kA maximum surge current protection
per phase.
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Easy installation. Enclosure can be easily drilled or
punched for conduit/cable access and positioned to
the electrical panel at the discretion of the installer.
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All-mode protection is standard on all units.
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NEMA 1, 2, 3, 3S, 4, 4X, 12, 13 rated, water-tight,
fire-resistant plastic enclosure.
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34mm MOV circuitry. Well exceeds the capacity of
20mm MOVs in parallel to manage surges over time.
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Short circuit and thermal fusing.
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Low impedance circuitry.
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Visual indication of protection status.
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Ten-year product warranty.
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UL1449 Second Edition Listed.
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Features & Benefits
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Remote diagnostic connection. Using NO/NC dry
contacts via on-board relay. Remote monitoring device
sold separately.
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EMI/RFI noise filter. Noise attenuation -20dB maximum
100 kHz to 100 MHz.
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Flush mount cover. Sold separately.
Available Options
ED1198R1 – Updated February 2005 – For latest specs visit www.wiremold.com
SPD
PA/PB Series
The PA and PB Series provide
surge protection at the
main service panel, sub panel
or at sensitive equipment.
NOISE
SURGE
Sold by:
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Toll Free: (877) 389-0000
CATALOG ELECTRICAL UL1449 CLAMPING LEVEL ACTUAL CLAMPING LEVEL
NUMBER SERVICE L-N L-L N-G L-G L-N L-L N-G L-G
PB120T 120/240V, Single Ø 400V 700V 400V 800V 360V 690V 370V 712V
PB120Y 120/208V, 3Ø Wye 400V 700V 400V 800V 360V 690V 370V 712V
PB277Y 277/480V, 3Ø Wye 800V 1800V 900V 1800V 780V 1600V 830V 1550V
PB240DCT 120/240/120V, Hi-Leg Delta 800V* 700V 400V 800V 780V* 690V 370V 720V
PB Series – 160kA
Product Selection Guide
Options: (select options by adding hyphen and suffix to part number)
A – Remote Monitoring Capability
Adds NO/NC dry contacts to PA/PB unit via on-board relay. Dry contacts will allow for connection of remote monitoring unit.
Remote monitoring unit itself sold separately under part #ZHRMU. See page 3 for ZHRMU specifications.
B – Noise Filter
Provides noise attenuation of -20dB maximum 100kHz to 100 MHz.
How to Configure A Part Number:
1 Select CATALOG NUMBER.
2 Select OPTIONS if desired.
3 Part Number is CATALOG NUMBER, followed by HYPHEN, followed by OPTIONS in alphabetical order.
SAMPLE
160kA for 120/208V
with Noise Filter
SAMPLE
80kA for 277/480V
with Remote Contacts
with Noise Filter
SAMPLE
80kA for 120/240V
No Options Selected
Part#: PB120Y-B
Part#: PA277Y-AB Part#: PA120T
CATALOG ELECTRICAL UL1449 CLAMPING LEVEL ACTUAL CLAMPING LEVEL
NUMBER SERVICE L-N L-L N-G L-G L-N L-L N-G L-G
PA120T 120/240V, Single Ø 400V 700V 400V 800V 360V 690V 370V 712V
PA120Y 120/208V, 3Ø Wye 400V 700V 400V 800V 360V 690V 370V 712V
PA277Y 277/480V, 3Ø Wye 800V 1800V 900V 1800V 780V 1600V 830V 1550V
PA240DCT 120/240/120V, Hi-Leg Delta 800V* 700V 400V 800V 780V* 690V 370V 720V
PA Series – 80kA
* Hi L-N
* Hi L-N
Sold by:
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Toll Free: (877) 389-0000