RHS45B, RHS45BD
Accessories: Heatsinks
Main features
•
•
•
•
•
•
1.85°C/W thermal resistance
Suitable for mounting of 1-phase SSRs
DIN rail mounting
Suitable for panel mounting
Dimensions W x H x D: 45 x 103 x 80 mm
RoHS compliant
Description
Heatsink assembly suitable for mounting of 1x
1-phase solid state relay (SSR).
Suffix H5 added to SSR part no. refers to factory
mounted heatsink. Conditions apply. Please ask
your sales representative for further details.
03/08/2016 RHS45B, RHS45BD DS ENG
Carlo Gavazzi LTD
1
RHS45B, RHS45BD
Structure
*
Element
1
2
3
4
Component
RHS45B Heatsink Assembly
Thermal Compound HTS02S
1-phase SSR 45x59mm
M5x10mm PZ2 + Washer
Qty
1
1
1
2
RHS45B
Provided
Provided
Not provided
Provided
RHS45BD
Provided
Not provided
Not provided
Provided
Note:
* 113mm for RK..C, 124mm for RK..P (including plug).
Dimensions including the SSR.
03/08/2016 RHS45B, RHS45BD DS ENG
Carlo Gavazzi LTD
2
RHS45B, RHS45BD
Features
General
SSR max. mounting torque
Weight (excl. SSR)
Material
Finish
Fan mounting
1.5Nm (13.3 lb-in)
approx. 430g
Aluminium
Black anodization
Possible: RHSF40-24
Thermal resistance curve
4.5°C/W
4.0°C/W
3.5°C/W
R
thSA
3.0°C/W
2.5°C/W
2.0°C/W
1.5°C/W
0.0W
5.0W
10.0W 15.0W 20.0W 25.0W 30.0W 35.0W 40.0W 45.0W 50.0W
Power Dissipated
03/08/2016 RHS45B, RHS45BD DS ENG
Carlo Gavazzi LTD
3
RHS45B, RHS45BD
Mounting position
+ 10
o
-
+ 10
o
-
Installation
Fig. 1
Mounting on DIN rail
Illustrations are for example only.
Fig. 2
Dismounting from DIN rail
03/08/2016 RHS45B, RHS45BD DS ENG
Carlo Gavazzi LTD
4
RHS45B, RHS45BD
Recommended maximum current rating (per SSR)
1. The below recommendations are only valid when the assembly (SSR + heatsink) is mounted as shown in
the mounting instructions unless otherwise indicated.
2. The indicated ratings are applicable to one SSR, one pole. Please refer to the online selector tool at www.
productselection.net for different load currents, surrounding temperatures or multiple units on one heatsink.
3. These recommendations are applicable only with the indicated Carlo Gavazzi thermal interface material
between SSR and heatsink. In case a different thermal interface is utilised these recommendations may no
longer be valid.
Pre-attached phase change pad, RKHT
1x
2-pole
SSR
RK 2.. (per pole)
Surrounding temperature
30
40
50
60
86
104
122
140
25
21.5
18.5
15.5
26.5
23
20
16.5
29.5
25.5
22
18
°C
°F
50
51
75
20
68
28
30
33.5
70
158
12.5
13
14
80
176
9.5
10
10.5
03/08/2016 RHS45B, RHS45BD DS ENG
Carlo Gavazzi LTD
5
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