SINGREE

Porcelain Insulator »
- Line Post Insulator »
  - 57-1 series »
    - 57-15
    - 57-14
    - 57-13
    - 57-12
    - 57-11
  - 57-2 series »
    - 57-25
    - 57-24
    - 57-23
    - 57-22
    - 57-21
  - 57-3 series »
    - 57-35
    - 57-34
    - 57-33
    - 57-32
    - 57-31
  - 57 standard series »
    - 57-5
    - 57-4
    - 57-3
    - 57-2
    - 57-1
  - pin post insulator »
    - 57-4 Thailand Type
    - 11006
- Station Post Insulator »
  - C4 series »
    - C4-125
  - TRseries »
- Disc Insulator »
  - Anti fog type »
    - XHP120C
    - XHP120
    - XHP100C
    - XHP100
    - XHP80C
    - XHP80
    - XHP70C
    - XHP70
  - 52 series »
    - 52-9
    - 52-6
    - 52-5
    - 52-4
    - 52-3
    - 52-2
    - 52-1
- Pin Insulator »
  - 55 series »
    - 55-5
    - 55-4
    - 55-3
    - 55-2
    - 55-1
  - 56 series »
    - 56-3
    - 56-2
    - 56-1
  - AS series »
  - BS series »
    - PW-33-Y
    - PW-22-Y
    - PW-15-Y
    - P-33-Y
    - P-22-Y
    - P-15-Y
    - P-11-Y
  - DIN series »
    - ST-20J
    - ST-15J
    - ST-10J
    - P-20-D
  - E.N series »
    - N-95-2
    - N-95
    - N-80
    - N95-4
    - N95-3
    - E-95
    - E-80
- Long Rod Insulator »
  - Long Rod Insulator »
    - 12
  - Long Rod Switch Porcelain Insulator »
- Porcelain Bushing »
- Strain Spool Shackle And Tele Insulator »
Power Fitting »
- Cross Arm »
  - Middle East Type »
  - Africa Type »
- Insulator Spindle »
- Power Line Accessories »
Composite Insulators »
- Suspension Composite Insulator »
- Pin type composite insulator »
- Line post composite insulator »
Glass insulator »
- Standard type Disc insulator »
- Fog type Disc insulator »
- Open air profile Disc insulator »
ABC Cable Fitting »
- Insulation Clamp »
- Piercing Connector Clamp »
- Parallel Clamp »
- Strain Clamp »
- Cable Lug »
Cut Out Fuse And Arrester »
- Porcelain Cut-out fuse »
- Composite Cut-out Fuse »
- Porcelain Arrester »
  - Indonesia Type »
  - Nigeria Type »
- Gang Insulator(Isolate Switch) »
- Polymer Arrester »
- Fuse And Arrester Fitting »
Bus Bar Insulator And Cable »
- LV bus bar insulator »
- HV bus bar insulator »
- Cable And Fittings »

57-3

Item No. 57-3

MAIN DIMENSIONS AND STANDARD PARTICULARS
ANSI Class	57-3
Dimensions of the pin/mm	M20
Creepage Distance/mm	737
Dry Arcing Distance/mm	311
Cantilever Strength/kn	12.5
Low Frequency Dry Flashover Voltage/kv	125
Low Frequency Wet Flashover Voltage/kv	100
Critical Impulse Flashover Voltage, Pos/kv	210
Critical Impulse Flashover Voltage, Neg/kv	260
Test Voltage to Ground/kv	30
Maximum RIV at 1000KHZ/μv	200
Net Weight/kg	11.0