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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