ZoneMaster
®
Series
Surge Protection Devices
New Improved ZoneMaster
®
Series Configurable
Hard-Wired Surge Protection Devices
Wiremold
®
ZoneMaster
®
Series Surge Protection Devices are
fully configurable panel protection solutions that protect your
facility from the destructive effects of power surges. New and
improved with a complete range of options including a fused
disconnect, noise filter and remote monitoring capabilities, all
ZoneMaster models also now comply with UL1449, Third Edition.
You can easily tailor a ZoneMaster Series solution to provide
surge protection for basic or the most advanced applications for
all standard electrical service voltages. Units are available for
subpanel protection starting at 100kA, and ranging up to 400kA
protection for main distribution panels.
ZoneMaster Series configurable hard-wired surge protection
devices are an integral part of the Sentrex Zoned Approach to
whole building protection.
ZoneMaster 340
F E AT U R E S & B E N E F I T S
n
Up to 400kA maximum surge current protection.
n
All mode protection standard on all units.
n
Replaceable bolt-in modules.
n
ZoneMaster PRO Series Surge Protection Devices use
a NEMA 3S, 4, 12, 13 metal enclosure.
n
Integrated diagnostics.
Each module provides visual
indication of its operating status.
n
Massive large block MOVs.
Each module contains two
independent large block MOVs, each consisting of dual
40mm MOVs. This configuration far exceeds the capability
of 20mm MOVs in parallel to manage long duration surges.
n
Dual short circuit and thermal fusing.
n
Low impedance construction.
n
Eutectic alloy thermal fuse.
Passes UL1449 Third Edition
standards. Also withstands lightning surge currents.
n
Surge counter standard on ZoneMaster PRO Models.
n
No standard thermal cutouts.
Standard thermal cutouts
can fail at surge currents as low as 10kA.
n
Neutral-to-ground protection module with
leakage indicators.
n
Low let-through performance with high current impulse.
n
NO/NC dry contacts.
n
Ten-Year Product Warranty.
Legrand/Wiremold will replace
any defective/failed unit or module free of charge (labor and
site preparation excluded) for a period of ten years.
n
UL1449 Third Edition Listed.
n
j
AVAILABLE OPTIONS
n
Remote monitoring unit.
n
EMI/RFI noise filter.
n
Fused disconnect.
n
Flush mount cover.
(See inside for more details.)
ED1165R2 – Updated September 2010 – For latest specs visit www.legrand.us/wiremold
Hard Wired Surge Protection Selection Matrix
M A I N
E N T R A N C E
P R O T E C T I O N
B E S T
S = Standard
O = Optional
B E T T E R
P A N E L
G O O D
P R O T E C T I O N
B E S T
B E T T E R
G O O D
Hard Wired Surge Protection Units
Electrical
Service
120/240V, Single Ø
120/208V, 3Ø Wye
277/480V, 3Ø Wye
A – Remote Alarm*
B – Filter
F – Fused Disconnect
G – Flush Mount
H – NEMA 4 Enclosure
ZM 400
400kA
ZE120T
ZE120Y
ZE277Y
O
O
N/A
N/A
S
ZM Pro 400
400kA
ZEM120T
ZEM120Y
ZEM277Y
O**
O
O
O
O
ZM 340
340kA
ZC120T
ZC120Y
ZC277Y
OPTIONS
O
O
N/A
N/A
S
O**
O
O
O
O
O
O
N/A
N/A
S
O**
O
O
O
O
O
O
N/A
O
S
ZM Pro 340
340kA
ZCM120T
ZCM120Y
ZCM277Y
ZM 200
200kA
ZB120T
ZB120Y
ZB277Y
ZM Pro 200
200kA
ZBM120T
ZBM120Y
ZBM277Y
ZS 100
100kA
ZA120T
ZA120Y
ZA277Y
* Available separately as Catalog No. ZHRMU.
** PRO units include standard internal alarm. Remote alarm option extra.
How to Create a Part Number
1. Select base part number by choosing kA and Electrical Service.
2. Select options if desired (options marked as standard are not incorporated into the part number).
3. Part number is BASE number, followed by HYPHEN, followed by OPTIONS in alphabetical order.
SAMPLE
SAMPLE
SAMPLE
340kA for 120/240V
with Remote Alarm
and Filter
200kA PRO Unit for
277/480V
with Remote Alarm
100kA for 120/208V
No Options Selected
Part# ZC120T-AB
Part# ZBM277Y-A
Part# ZA120Y
2
ZoneMaster 400
The ZoneMaster Series is designed to
protect a high-exposure main service
entrance against the most extreme
transient environment. Dual protection
circuits provide redundancy ensuring
the site is always protected. Engineered
to provide decades of uninterrupted
surge protection, the ZoneMaster 400
provides the lowest suppression
voltages available and full protection in
all models (L-N, L-G, L-L, and N-G).
ZoneMaster 400 Options
n
Remote monitoring unit.
n
EMI/RFI noise filter.
Noise attenuation -75dB
maximum 100 kHz to 100 MHz.
See page 17 for complete specifications on options.
Mechanical Specifications:
ZoneMaster Pro 400 is 20% to 50% smaller in size than other protectors claiming similar performance. Small size means easier
installation and a better installation since the protector can often be located closer to the panel thereby minimizing the effect
of connecting lead length.
Enclosure:
Dimensions:
Weight:
Durable, lightweight, corrosion resistant high impact plastic. Ultraviolet stabilized UL94-5V rated.
NEMA 1, 2, 3, 3S, 4, 4X, 12 and 13. Transparent cover for maximum visibility and safety.
12.4" x 13.7" x 7.3" [315mm x 348mm x 185mm]
Approx. 12.5 lbs. (5.7 kg)
Operating Environment:
-40°C to 85°C, 95% relative humidity (non-condensing)
Construction:
Terminal Lugs:
Mounting:
Low impedance assembly. Modules are bolted (1/4" bolts) to a large surge return plate to minimize
transient impedance and suppression voltage.
#2 AWG max wire size
0.31" [8mm] diameter holes. Enclosure can be easily drilled for conduit/cable access.
Electrical Specifications
MAXIMUM SURGE CURRENT FOR EACH PROTECTION MODE
L-N
L-G
L-L
N-G
ZONEMASTER 400
200,000A
200,000A
400,000A
200,000A
MAXIMUM SURGE CURRENT
PER PHASE
400,000A
3
ZoneMaster 400 Specifications
Electrical Specifications:
Maximum Continuous Operating Voltage:
Remote Indication Contacts:
Module Diagnostics:
Protection Technology:
Module Protection:
Short Circuit Current Rating:
Redundant Protection Stages in all Modes:
Nominal Discharge Current (In):
See table below
NO/NC, 125VAC, 2A rated
(continued)
Protection present – Green LED lit. Fault warning – Red LED lit. High voltage
neutral to ground – Red & Green LEDs lit.
Patented large block, three terminal MOVs.
Dual thermal and short circuit fusing mechanisms; UL94-5V rated
plastic enclosure.
100k AIC.
Each module contains dual independent redundant protection circuits.
10kA.
Duty Cycle Performance (Surge Life)
MAXIMUM SURGE
CURRENT
PER MODE
ZONEMASTER 400
200,000A
REPETITIVE SURGE
CURRENT
(≥4 IMPULSES
PER MODE)
100,000A
MAXIMUM NUMBER
OF CURRENT
IMPULSE AT
10,000 (8/20)
8,000
LONG DURATION
SURGE CURRENT
(10/1,000 µS)
3,600A
Surge Protection Performance:
The key performance parameter of any surge protector is how well it controls surges. At the service entrance and main panel, the
lower the voltage let-through to the facility the better the protection. A high let-through voltage at the facility entrance will stress
other equipment and small surge protectors located within the facility.
120V Models
UL1449 VOLTAGE
PROTECTION LEVEL
PRODUCT SERIES
ZE120T 120/240V
ZE120Y 120/208V
L-N
700V
700V
L-G
600V
600V
L-L
1000V
1000V
N-G
700V
700V
L-N
127V
127V
MAXIMUM CONTINUOUS
OPERATING VOLTAGE (MCOV)
L-G
127V
127V
L-L
254V
220V
N-G
127V
127V
277V Models
UL1449 VOLTAGE
PROTECTION LEVEL
PRODUCT SERIES
ZE277Y 277/480V
L-N
1200V
L-G
1200V
L-L
1800V
N-G
1200V
L-N
293V
MAXIMUM CONTINUOUS
OPERATING VOLTAGE (MCOV)
L-G
293V
L-L
508V
N-G
293V
4
ZoneMaster PRO 400
The ZoneMaster PRO 400 Series
provides the same extreme protection
as the ZoneMaster 400 but uses a
durable steel enclosure and comes
standard with a surge counter, front
monitor, and audible alarm.
ZoneMaster PRO 400 Options
n
Remote monitoring unit.
n
Fused Disconnect.
n
NEMA 4 Enclosure.
n
EMI/RFI noise filter.
Noise attenuation -75dB
maximum 100 kHz to 100 MHz.
n
Flush Mount.
See page 17 for complete specifications on options.
Mechanical Specifications:
ZoneMaster PRO 400 is 20% to 50% smaller in size than other protectors claiming similar performance. Small size means easier
installation and a better installation since the protector can often be located closer to the panel thereby minimizing the effect
of connecting lead length.
Enclosure:
Dimensions:
Weight:
Durable, painted steel. NEMA 1, 2.
17.5" x 14" x 5.47" [445mm x 356mm x 139mm] without disconnect.
17.5" x 14" x 7.30" [445mm x 356mm x 186mm] with disconnect.
Approx. 25.4 lbs. (11.5 kg)
Operating Environment:
-40°C to 85°C, 95% relative humidity (non-condensing)
Construction:
Terminal Lugs:
Mounting:
Module Replacement:
Ultra low impedance assembly. Modules are bolted to a corrosion resistant, tin plated copper bus bar.
No plug-in modules in the surge path.
#2 AWG max wire size
0.31" [8mm] diameter holes. Enclosure can be easily drilled for conduit/cable access.
Power should be disconnected prior to module replacement. Remove 1/4" nuts, unplug remote
indication connector and remove module. Estimated replacement time: 2 minutes.
Electrical Specifications
MAXIMUM SURGE CURRENT FOR EACH PROTECTION MODE
L-N
L-G
L-L
N-G
ZONEMASTER PRO 400
200,000A
200,000A
400,000A
200,000A
MAXIMUM SURGE CURRENT
PER PHASE
400,000A
5
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