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SR indoor RoHS
Endo kogyo SR indoor slip ring is for signal and power transmission. SR slip ring is for indoor and Rohs direction conforming product.

ENDO KOGYO Slip ring for power and control

SR series (Indoor use)

Specification:
●Brushes : Copper
●Rings : Copper alloy
●Brush springs : Spring steel
●Brush holders : Aluminum die-casting
●Rotational direction : CW-CCW
●Temperature range : -10℃~+50℃
●RoHS direction conforming products



Rated current 20A ( Rated voltage AC600V)

Model Pole of
numbers
insulation
resistance
Allowable
rotation
rpm
Dimension mm Mass
kg
A B C
SR-1303 3 50 60 142 203 83 8.0
SR-1304 4 142 203 92 8.0
SR-1306 6 159 220 110 8.5
SR-1308 8 177 238 132 9.0
SR-1310 10 195 256 150 9.5
SR-1312 12 212 273 168 10.0
SR-1314 14 232 293 192 10.5
SR-1316 16 257 318 210 11.0
SR-1318 18 297 358 237 12.0
SR-1320 20 297 358 255 12.0
SR-1322 22 337 398 273 13.0
SR-1324 24 337 398 291 13.0
SR-1326 26 377 438 309 14.0
SR-1328 28 377 438 327 14.0
SR-1330 30 432 493 345 15.0
SR-1332 32 432 493 363 15.0

※insulation resistance (MΩ) shall be the resistance measured at DC500V.

Rated current 50A ( Rated voltage AC600V)

Model Pole of
numbers
insulation
resistance
Allowable
rotation
rpm
Dimension mm Mass
kg
A B C
SR-3303 3 50 60 142 203 93.5 8.0
SR-3304 4 159 220 106.5 8.5
SR-3306 6 195 256 132.5 9.5
SR-3308 8 212 273 162.5 10.0
SR-3310 10 232 293 188.5 10.5
SR-3312 12 257 318 214.5 11.0

※insulation resistance (MΩ) shall be the resistance measured at DC500V.

Rated current 100A ( Rated voltage AC600V) (

Model Pole of
numbers
insulation
resistance
Allowable
rotation
rpm
Dimension mm Mass
kg
A B C
SR-4303 3 50 60 177 238 114.5 9.0
SR-4304 4 195 256 133.5 9.5

※insulation resistance (MΩ) shall be the resistance measured at DC500V.