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