Power Protection and Conditioning
STV 200/400K Series - Surge Protective Devices
SolaHD STV 200/400K Series offers continuous protection
from damaging voltage transients and electrical noise
commonly found at the service entrance or distribution
panel. The modular design of the STV 200/400K allows
for installation exibility and its’ robust design allows for
installation in the most severe exposure locations. They are
capable of handling the high-impulse, potentially damaging
transients commonly found at the service entrance or
distribution panels. The modular design of the STV
200/400K allows for installation exibility. Its robust design
allows for placement in the most severe exposure locations.
The STV 200/400K utilizes circuitry to monitor
the status of all protection modes, including neutral to
ground. Should protection be unavailable in any mode, the
Green LED will be extinguished, and the Red LED will be
illuminated. In addition, high isolation form C dry contacts
provide remote monitoring of protection system failure,
under voltage, phase and power loss. The STV 200/400K
protection integrity monitoring indicates failure for both
shorted or opened protection components.
These devices are built to meet your unique requirements,
and are available in hardwire, three phase conguration.
They are designed for years of trouble free operation and
require little or no operator intervention after installation.
Applications
The STV 200/400K Series can be a facility-wide product
family and may be installed from service entrances to
distribution panels to branch panels.
• Industrial Plants
• Commercial Buildings
• Institutional Facilities
• Any facility that has an environment with
electronics based equipment
• Custom options (contact technical support)
- NEMA 12 enclosure, NEMA 3R, 4, and 4X
- Optional rotary disconnect, transient counter and
remote monitor panel
Certifications and Compliances
•
Listed
- UL 1449, Type 1 locations
- UL rated 200 kA with component level fusing
for safe operation
-
Listed/NEMA type 12 enclosure; 3R, 4, 4X available
• ANSI/IEEE C62.11, C62.41, C62.45
Categories A, B, and C3 tested
• Tested to NEMA LS1, ISO 9001
Related Products
• Power Conditioners
• Uninterruptible Power System
• Transformers
• STV 25K, STV 100K, STF, STFV and STC Series
E324279
Features
• Modular design allows for exibility
• Surge current capacity of 200 to 400 kA per phase
• Industry’s highest surge current repeatability
• All modes transient protection (L-N, L-G, and N-G)
• Form C dry contacts and audible alarm status
indications
• Internal/external monitoring, including neutral to ground
• EMI/RFI Filtering
• Five year limited warranty
Selection Table
Catalog
Number
STV 400K-10Y
STV 200K-10Y
STV 400K-27Y
STV 200K-27Y
STV 400K-48D
STV 200K-48D
Input Voltage
120/208 V Three Phase Wye, 4 wire + Ground
208 Y/120 V Three Phase Wye, 4 wire + Ground
480 Y/277 V Three Phase Wye, 4 wire + Ground
480 Y/277 V Three Phase Wye, 4 wire + Ground
480 V Three Phase ∆, 3 wire + Ground
480 V Three Phase ∆, 3 wire + Ground
Power Protection and Conditioning
STV 200/400K Specifications
Parameters
Input Voltage
Maximum Continuous
Operating Voltage (MCOV)
Line Frequency
Response Time
Enclosure
Mounting Type
Connection
Status Indication
Operating Temperature
Operating Humidity
Noise Attenuation
Modes of Protection
Short Circuit Current Rating
(SCCR)
Nominal Discharge Current
Rating (I
)
n
Warranty
Line to Neutral
Line to Line
Line to Ground
Neutral to Ground
Per Phase
Line to Neutral
Line to Line
Line to Ground
Neutral to Ground
Catalog Number
STV200K-10Y STV200K-27Y STV200K-48D STV400K-10Y STV400K-27Y STV400K-48D
208 Y/120 V 480 Y/277 V 480 V 208 Y/120 V 480 Y/277 V 480 V
3Ph Wye,
4 W + G
800 V 1200 V N/A 700 V 1200 V N/A
1200 V 2000 V 2000 V 1200 V 1800 V 2000 V
900 V 1200 V 1800 V 800 V 1200 V 1800 V
700 V 1000 V N/A 700 V 1000 V N/A
200 kA 200 kA 200 kA 400 kA 400 kA 400 kA
100 kA 100 kA N/A 200 kA 200 kA N/A
100 kA 100 kA 100 kA 200 kA 200 kA 200 kA
100 kA 100 kA 100 kA 200 kA 200 kA 200 kA
100 kA 100 kA N/A 200 kA 200 kA N/A
3Ph Wye,
4 W + G
125% of the nominal level for 120 V; 115% for all other voltages
Metal, UL Listed /NEMA type 12 (3R, 4, 4X also available)
Red and green LED status indicators, audible alarm, summary alarm contacts
UL 1449, Type 1 Voltage Protection Ratings (VPRs)
Peak Surge Current Capability
3Ph Delta,
3 W + G
Wall Mounted (mounting hardware ¼ in.)
Internally connected
-40°C to +50°C
0% to 95% non-condensing
50 dB maximum
All Modes: L–N, L–L, L–G, N–G *
5 year limited warranty
3Ph Wye,
4 W + G
47–63 Hz
< 0.5 ns
200 kA
20 kA
3Ph Wye,
4 W + G
3Ph Delta,
3 W + G
* Delta Model does not offer N–G mode of protection
Power Protection and Conditioning
8.25
(209.6)
1.30 max.
(33.0)
12.00
(304.8)
14.25
(362.0)
16.25
(412.8)
16.75
(425.5)
0.31
(7.9)
Phase L1/A
Phase L2/B
Phase L3/C
Service Panel for
Loads to be Protected
Disconnect/Main
Neutral Bus
Ground Bus
Panel
Breaker for
Recommended Wire
Entrance
Dedicated
(Optional)
Disconnect
Summary Alarm Contacts (x2)
Pin 1 = Normally Open
Pin 2 = Common
Pin 3 = Normally Closed
TB1 TB2
1 2 3 1 2 3
Dimensional Diagram - in. (mm)
Installation Specifications
Model
STV200K 35.0 (15.88)
STV400K 42.0 (19.05)
Model
STV200K 38.0 (17.23)
STV400K 45.0 (20.41)
Weight
lbs (kg)
Weight
lbs (kg)
Dimensions
D x W x H - in. (mm)
8.25 x 14.25 x 16.25
(209.6 x 362.0 x 412.8)
8.25 x 14.25 x 16.25
(209.6 x 362.0 x 412.8)
Dimensions
D x W x H - in. (mm)
8.25 x 14.25 x 16.25
(209.6 x 362.0 x 412.8)
8.25 x 14.25 x 16.25
(209.6 x 362.0 x 412.8)
STV 200/400K Series
Suggested
Breaker
Size
40 A #8 15–100 A #14–2
100 A #2 15–100 A #14–2
Units with Rotary Disconnect
Suggested
Breaker
Size
40 A #8 15–175 A #14–2/0
100 A #2 15–175 A #14–2/0
Suggested
Wire Size
AWG
Suggested
Wire Size
AWG
Allowable
Breaker
Range
Allowable
Breaker
Range
Allowable
Wire
Range
Allowable
Wire
Range
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