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RATINGS:• 16kA fault interrupting for up to 27kV
• Available with 1000A continuous current
FEATURES:• Single or three phase trip / Single or three phase
lockout
• Automation ready
• Faster installation with site-ready designs
• Maintenance free solid dielectric technology
• Field changeable silicone insulators
• Single 32-pin control cable interface (Optional
42-pin for 52b and cable disconnect alarm)
RECLOSER CONTROL OPTIONS:• SEL-651R2
• Beckwith M-7679
SENSING:• Metering Class Accusense Voltage sensors,
0.5% Accuracy (Option)
• Encapsulated dual ratio 1000/500:1 CT
• 400/200:1 CT ratio for low current detection
(Option)
• Three internal voltage sensors (VS)
• Six internal VS for Distribution Automation
(Option)
• External CTs for revenue metering (Option)
Three Phase Solid Dielectric, Independent Pole Operated Recloser
Pictured from top to bottom:Standard center pole mount with 15” phase spacing frame, substation mount with external CTs, site-ready universal alley-arm frame for left or right pole mount
NEW 16kA RATING
SAFETY FEATURES:• Dead tank design minimizes flashovers due
to wildlife, and provides increased personnel
safety.
• Trip handle has triple redundant protection to
prevent close operation with electrical lockout
and mechanical block for ultimate operation
safety.
• Magnetic actuator with trip spring for fail-
safe operation.
For additional product info visit
www.gwelec.com
Max System Voltage (kV) 15.5 27 38
Interrupting Rating RMS (kA) 16† 16† 12.5
Rated Voltage (kV) 15 25 38
BIL (kV) 110 125 150
Continuous Current (A) 800/1000*
800/1000* 800
8 Hr. Overload, at 20° C 960 960 960
Making Current, RMS, asym (kA) 25† 25† 20
Peak, asym (kA) 42† 42† 32
Short Circuit Current, (kA) sym, 3 seconds 16† 16† 12.5
60Hz Withstand, (kV) rms Dry, 1 second 50 60 60
60Hz Withstand, (kV) rms Wet, 10 seconds 45 50 50
Mechanical Operations 10K 10K 10K
Pictured above: Dead front padmount applicationPictured left: Site-ready cross-arm frame with moveable B phase
CS Viper-STAugust, 2017
*Consult factory for higher continuous current up to 1000A.† 12.5kA Interrupting Current rating available.
RATINGS:The Viper-ST complies with the IEEE C37.60
and IEC 62271-111 dual logo standard.
OPTIONS:• NEMA 2, NEMA 4 or clamp aerial lugs
• Wildlife protectors
• Lightning arresters
• Oil or solid dielectric PTs
• Primary and secondary connections on
site-ready designs
• Ganged trip and lockout handles on 15”
phase spacing
• Pole mount customized frames:
— Cross-arm with movable B phase
— Reversible alley-arm
— 24” phase spacing
— Cluster mount
— Phase over phase (vertical mount)
• Substation frame:
— 90o or 45o mount on adjustable frame
— Individual frame mounting per phase
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