TM
WIRE WOUND RESISTORS
SILICONE COATED TYPE
Nickel - Plated
Terminations
SERIES
EDGE WOUND
Flame Retardant
Silicone Coating
RSR
Silicone Coated Power Resistor
Heavy Duty Industrial Applications
Alloy Resistance Strips,
Corrugated And
Wound Edge - Wise
On Ceramic Substrate
PHYSICAL CONFIGURATION
W
fId
H
d
D
L
HTR
TYPE
POWER
RATING
at 70°C
120W
120W
150W
150W
200W
200W
300W
300W
400W
400W
500W
500W
DIMENSIONS (mm)
L
+3
115.0
115.0
140.0
140.0
200.0
200.0
250.0
250.0
300.0
300.0
300.0
300.0
D
+2
29.0
29.0
29.0
29.0
29.0
29.0
40.5
40.5
40.5
40.5
50.0
50.0
d
+1
19.1
19.1
19.1
19.1
19.1
19.1
24.0
24.0
24.0
24.0
27.0
27.0
f
Id
H
W
[min]
+0.35 +0.3
6.35
8.0
6.35
8.0
6.35
8.0
6.35
8.0
6.35
8.0
6.35
8.0
1.65
4.3
1.65
4.3
1.65
4.3
1.65
4.3
1.65
4.3
1.65
4.3
7.0
8.0
7.0
8.0
7.0
8.0
7.0
8.0
7.0
8.0
7.0
8.0
MOUNTING RESISTANCE
HARDWARE
RANGE
AVAILABLE min
max
103/303
103/303
103/303
103/303
103/303
103/303
104/304
104/304
104/304
104/304
104/304
104/304
R10
R10
R10
R10
R10
R10
R10
R10
R10
R10
R10
R10
4R0
4R0
5R0
5R0
7R0
7R0
10R
10R
14R
14R
18R
18R
RR120A
RR120B
RR150A
RR150B
RR200A
RR200B
RR300A
RR300B
RR400A
RR400B
RR500A
RR500B
D-Dimensions given are indicative and could exceed tolerances given depending on resistance value being wound.
*
Resistor types suffixed with ‘A’ are compatible with Amp 250 connectors.
TM
WIRE WOUND RESISTORS
SILICONE COATED TYPE
RSR
MOUNTING SPECIFICATIONS
HORIZONTAL THRU-BOLT
VERTICAL THRU-BOLT
Screw
Ceramic Centering
Washer
B
1.3mm (max)
Y
C
Z
H
Lockwasher
Nut
9.2mm (min)
Core
Length (L)
Plus ‘X’
BRACKET
TYPE
103
104
Y
Z
H
+1.0mm +2mm +2mm
31.5
48.0
30.0
31.5
MOUNTING
C
B
SLOT
+1.0mm +2mm +2mm
BRACKET X (APPROXIMATE)
TYPE
(mm)
303
304
15.0
16.0
35.0 7.1 x 11.11 22.22 53.98
56.88 7.1 x 11.11 23.22 82.0
ELECTRICAL DATA
RESISTANCE TOLERANCE :
+ 10% [K] - [STD]; + 5% [J] - on request
TYPICAL APPLICATIONS
In RSR Series, a corrugated alloy tape is wound edgewise or flat onto a ceramic tube which is coated with a
silicone resin.
This ribbed construction puts both sides of the resistive element in contact with air thus creating a convection
area four times greater than that obtained with normal wire wound resistors.
These resistors are designed primarily to withstand heavy overload surges upto max 7 times their rated
wattage for 10 to 15 seconds (max). This characteristic makes them most suitable for controlling motors
requiring high dissipation, low resistance values and high current capacity.
ORDERING INFORMATION
RSR
RR200B
3R0
K
103 or 303
TYPE OF MOUNTING
HARDWARE
TOLERANCE
RESISTANCE VALUE
HTR TYPE
SERIES
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