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8
Surge protection
STV 200/400K SERIES
Specications
Parameters
Catalog Number
STV200K-10Y STV200K-27Y STV200K-48D STV400K-10Y STV400K-27Y STV400K-48D
Input Voltage
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
3Ph Wye,
4 W + G
3Ph Delta,
3 W + G
3Ph Wye,
4 W + G
3Ph Wye,
4 W + G
3Ph Delta,
3 W + G
Maximum Continuous
Operating Voltage (MCOV)
125% of the nominal level for 120 V; 115% for all other voltages
Line Frequency 47–63 Hz
Response Time < 0.5 ns
Enclosure Metal, UL Listed /NEMA type 12 (3R, 4, 4X also available)
Mounting Type Wall Mounted (mounting hardware ¼ in.)
Connection Internally connected
Status Indication Red and green LED status indicators, audible alarm, summary alarm contacts
Operating Temperature -40°C to +50°C
Operating Humidity 0% to 95% non-condensing
Noise Attenuation 50 dB maximum
Modes of Protection All Modes: L–N, L–L, L–G, N–G *
AIC Rating 200 kAIC
Nominal Discharge Current
Rating (I
n
)
20 kA
Warranty 5 year limited warranty
UL 1449, 3
rd
Edition, Type 1 Voltage Protection Ratings (VPRs)
Line to Neutral 800 V 1200 V N/A 700 V 1200 V N/A
Line to Line 1200 V 2000 V 2000 V 1200 V 1800 V 2000 V
Line to Ground 900 V 1200 V 1800 V 800 V 1200 V 1800 V
Neutral to Ground 700 V 1000 V N/A 700 V 1000 V N/A
Peak Surge Current Capability
Per Phase 200 kA 200 kA 200 kA 400 kA 400 kA 400 kA
Line to Neutral 100 kA 100 kA N/A 200 kA 200 kA N/A
Line to Line 100 kA 100 kA 100 kA 200 kA 200 kA 200 kA
Line to Ground 100 kA 100 kA 100 kA 200 kA 200 kA 200 kA
Neutral to Ground 100 kA 100 kA N/A 200 kA 200 kA N/A
* Delta Model does not offer N–G mode of protection