IEEE C37.71-2001

1 Scope
2 References
3 Definitions
4 Service conditions
   4.1 Usual service conditions
   4.2 Unusual service conditions
5 Ratings and test requirements
   5.1 Rating information
   5.2 Voltage ratings and related test requirements
   5.3 Current test values
6 Design tests
   6.1 General
   6.2 Interrupting current tests
   6.3 Short-time current tests
   6.4 Insulation (dielectric) tests
   6.5 Continuous current test
   6.6 Mechanical operation test
   6.7 Partial discharge (corona) level test
   6.8 DC withstand test
   6.9 Pressure tests
7 Production tests
   7.1 Circuit resistance test
   7.2 Sixty hertz withstand test
   7.3 Leak test
   7.4 Operating assurance tests
   7.5 Partial discharge (corona) level tests
8 Conformance tests
   8.1 Temperature measurements
   8.2 Impulse withstand tests
   8.3 Loop current requirement
9 Construction requirements
   9.1 Grounding provision
   9.2 Manual operation provisions
   9.3 Position indicators
   9.4 Insulating medium quantity indicators
   9.5 Drain and replacement provisions
   9.6 Sampling and addition provisions
   9.7 Tank construction
   9.8 Terminations
   9.9 Bushing designation
   9.10 Nameplate
   9.11 User identification plate
10 Shipping requirements

Covers three-phase, group operated, 60 Hz, subsurface, load interrupting switches with maximum ratings 600 A and 38 kV, using separable insulated connectors.