5 Specifications and Dimensional Drawings of Cables and Peripheral Devices
5.5.12 Thermal Relays
5-36
5.5.12 Thermal Relays
Connect a thermal relay to the SERVOPACK to protect the regenerative resistor and dynamic brake resistor from
heat damage when operating under extreme conditions.
(1) Models
Select the appropriate thermal relay from the following list according to regenerative resistor unit and dynamic
brake unit model.
(2) Dimensional Drawings
The following dimensional drawings are for a TR-3N thermal relay.
Dynamic Brake
(DB) Unit and
Regenerative
Resistor
Unit Model
Thermal Relay
Model
Thermal Relay
Current Range
Thermal Relay
Current
Manufacturer
JUSP-DB01
JUSP-DB02
TR-3N/3 9 A
9 to 13 A
10 A
Fuji Electric Co., Ltd.
JUSP-DB03
JUSP-DB04
JUSP-DB05
TR-3N/3 7 A
7 to 11 A
7 A
JUSP-DB06
TR-3N/3 7 A
7 to 11 A
9 A
JUSP-DB12
TR-3N/3 9 A
9 to 13 A
12 A
JUSP-RA08
TR-3N/3 12 A
12 to 18 A
14 A
JUSP-RA09
TR-3N/3 18 A
18 to 26 A
23 A
JUSP-RA11
TR-3N/3 18 A
18 to 26 A
24 A
JUSP-RA12
TR-3N/3 7 A
7 to 11 A
9 A
JUSP-RA13
TR-3N/3 9 A
9 to 13 A
10 A
JUSP-RA14
TR-3N/3 12 A
12 to 18 A
14 A
JUSP-RA15
TR-3N/3 12 A
12 to 18 A
17 A
JUSP-RA16
TR-3N/3 18 A
18 to 26 A
19 A
JUSP-RA25
TR-3N/3 34A
34 to 50 A
40 A
93
79.5
64.5
Reset switch
7
Units: mm
Approx. mass: 0.3 kg
88
15.3
20
M3.5 Auxiliary terminal
M6
Main
terminals
60
61.5
40
2
×
M4
mounting holes
Mounting Hole Dimensions
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