Thermal Relays - YASKAWA E-II Series User Manual

5 Specifications and Dimensional Drawings of Cables and Peripheral Devices

5.5.12 Thermal Relays

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.
Dynamic Brake
(DB) Unit and
Regenerative
Resistor
Unit Model
JUSP-DB01
JUSP-DB02
JUSP-DB03
JUSP-DB04
JUSP-DB05
JUSP-DB06
JUSP-DB12
JUSP-RA08
JUSP-RA09
JUSP-RA11
JUSP-RA12
JUSP-RA13
JUSP-RA14
JUSP-RA15
JUSP-RA16
JUSP-RA25
(2) Dimensional Drawings
The following dimensional drawings are for a TR-3N thermal relay.
5-36
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Thermal Relay Thermal Relay
Model Current Range
TR-3N/3 9 A 9 to 13 A
TR-3N/3 7 A 7 to 11 A
TR-3N/3 7 A 7 to 11 A
TR-3N/3 9 A 9 to 13 A
TR-3N/3 12 A 12 to 18 A
TR-3N/3 18 A 18 to 26 A
TR-3N/3 18 A 18 to 26 A
TR-3N/3 7 A 7 to 11 A
TR-3N/3 9 A 9 to 13 A
TR-3N/3 12 A 12 to 18 A
TR-3N/3 12 A 12 to 18 A
TR-3N/3 18 A 18 to 26 A
TR-3N/3 34A 34 to 50 A
93
79.5
M6
Main
terminals
64.5
7
Mounting Hole Dimensions
Thermal Relay Manufacturer
Current
10 A
7 A
9 A
12 A
14 A
Fuji Electric Co., Ltd.
23 A
24 A
9 A
10 A
14 A
17 A
19 A
40 A
88
15.3
20
Reset switch
60
M3.5 Auxiliary terminal
2 × M4
Units: mm
mounting holes
Approx. mass: 0.3 kg