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14.4 kV, 600 A, 110 kV BIL, Porcelain, Horizontal Three-Phase Loadbreak Switch

By CHANCE Utility 

Catalog ID: D7XS1BLQU

Product Details


Blade Type Tubular Copper (single-member)
Cantilever Bending Strength - Routine 2,000 Lbs (8.9 kN)
Color - Insulator Sky Gray
Contact Silver, Copper
Crossarm Brace Type Steel (4" x 4")
Insulator Type Porcelain (3" Bolt Circle)
Material - Base Galvanized Steel per ASTM A153
Material - Interphase Shaft Steel
Mounting Position Horizontal
Tension Range 8000 lb
Torsional Strength 7,000 in Lbs (790.3 N-M)

Electrical Ratings

BIL 110 kV
Creep and Leakage Distance 15.5" (394mm)
Current - Under Loop Switching 600 A (4.8kV)
Current - Under Magnetizing Switching 7 A
Current Rating 600 A
Current Rating - Cable (Shielded) 100 A
Current Rating - Cable (Unshielded) 11 A
Dead-Ending Rating - Unequal Load 700Lbs
Dead-Ending Rating - Working Load 6000 Lbs
Depth - Ice Break 3/8"
Interrupt Rating - 600 A 50 Operations
Reference Voltage Limit - Minimum 14.4 kV
Temperature Rise - Max. at 600A 36°C
Voltage - Maximum 15.5 kV
Withstand Current - Short Time (10 cycles) 40kA, asymmetrical
Withstand Current - Short Time (3 sec) 25kA, symmetrical

Certifications and Compliance

Industry Standard(s) All Applicable ANSI/IEEE Standards


Standard Package 1

Resources and Downloads


Chance Converting Controls of the Chance D5 and D7 Switches (VI10151E_12L)

Chance D7 Unitized Switch Installation (VI10153E_07L)

Chance D7 Switch Installation with Reciprocating Operating Handle (VI10152E_11L)