Liling Royal Insulators & Power Products Co.,Ltd
 
MAIN SPECIFICATIONS
New FTY No. 2640 2641 2642 2643 2644 2645
Old FTY No. 2237B 2259 2237c 2236 2236B 2236C
Name of the product Dearcing chamber
porcelain shell for
air circuit breaker		 Dearcing chamber
porcelain shell for
vacuum circuit breaker		 Dearcing chamber
porcelain shell for
air circuit breaker		 Post porcelain shell
for air
circuit breaker		 Post porcelain shell
for air
circuit breaker		 Post porcelain shell
for vacuum
circuit breaker
Applicable Locomotive type SS4,SS5,SS6 SS6 SS4,SS5,SS6 SS1,SS3 SS4 SS5,SS6
Fig. No. 7 7 7 5 5 6
Height　　　　　　 mm 270±1 332±1 270±1 400±2 460±2 400±1
Dia. 　　　　　　　mm 70±2 146±5 70±2 - - -
Shed dia. D 　　　　mm 170 240 170 200 216 220
Creepage distance 　mm - - - - 750 750
Assembly dimension
mm		 d1 4-Φ14 4-Φ14 4-Φ13 4-Φ14 4-Φ14 4-Φ14
a1 Φ140 Φ180 Φ140 Φ140 Φ140 Φ140
One minute internal water pressure withstand test value MPa 7.0 - 7.0 4.0 4.0 7.0
Cantileve failing strength kN.m 4.5 - 4.5 - 7.0 7.0
Power frequency test voltage
(effective value) kV		 Dry flashever 85 100 85 100 95 110
Wet flashever 55 70 55 65 85 75
Lightning full wave impulse withstand voltage (peak value) kV 150 - 150 161 161 180
Weight/kg 13.5 15.5 13.5 19.3 28.3 24.6


Liling Royal Insulators & Power Products Co.,Ltd Address: Block B,No.10,Ceramic Industry Garden,Liling,Hunan,P.R.China.
Tel: +86-733-3262788 Fax: +86-733-3262188 Email: royalinsulator@royalinsulator.com