User Manual

Fixed Wirewound High Power Vitreous Resistors
Electrical Traction Model
www.vishay.com For technical questions, contact: [e-mail] Document Number: 50017
61 Revision: 23-Oct-06
RWST
Vishay Sfernice
FEATURES
• 95 Watt to 800 Watt at 25 °C
• NF C 93-214
• RB 25 × 168, RB 30 × 250
• Rugged construction for use in severe environmental
conditions
The RWST vitreous wirewound high power resistors are known for their excellent reliability which has developed out of the
VISHAY SFERNICE experience over several decades in the field of high current applications.
Extremely severe conditions of use are encountered in electrical traction including repeated overloads. To withstand such
conditions the new RWST model is extremely rugged and is manufactured to a very carefully monitored process using the best
materials.
DIMENSIONS in millimeters
“CS” Type 1 Collars
A
Ø B
26
D
E
F
Ø C
G
H
15
J
STAINLESS STEEL 304 L COLLARS “CS” TYPE
A
23
3
Ø B
58
D
E
F
G
H15
J
STAINLESS STEEL 304 L COLLARS “CS” TYPE
DIMENSIONS IN MILLIMETERS
RWST STYLE 25 × 138 25 × 168 30 × 250 40 × 370 50 × 373
Connections
CS
Type 1/B/AN
CS
Type 1/B/AN
CS
Type 1/B/AN
CS
Type 2/B/AN
CS
Type 2/AN
A ± 2 138 168 250 370 373
Ø B max. 28 28 33 45 53
Ø C min. 12 12 17 22 27.1
D 50 ± 1.5 50 ± 1 60 ± 1.5 69 max. 80 max.
E 27 ± 1 27 ± 1 30 ± 1 45 ± 1.5 51 ± 1.5
F ± 0.5 24 24 25 30 30
G - 4
- 0
199 229 317 432 432
H - 4
- 0
169 199 287 405 405
J ± 0.5 6.5 6.5 9 9 9
Average unit
weight in g
(CS collars)
225 250 445 1400 2200