Mitsubishi Electric FR-E700EX Manual page 38

Name (Model)
 Outline dimension
High-duty
brake resistor
W1+20
FR-ABR-K
0
 Specification
<Brake unit>
Model FR-BU2-
Applicable motor capacity
Connected brake resistor
Multiple (parallel) operation
Approximate mass (kg)
 The torque is limited according to the permissible
current amount of the connected drive unit.
 Selection
The maximum temperature rise of the discharging resistors is approximately 100°C. Use heat-resistant wires and wire to avoid contact with
resistors.
Braking Torque
 Connection diagram
Brake unit
FR-BU2-K
Discharging resistor
Three-phase
GZG type
AC power supply
GRZG type
 A jumper is connected across BUE and SD in
the initial status.
 Connect the drive unit terminals (P/+, N/-) and
brake unit (FR-BU2) terminals so that their
terminal symbols match with each other.
Incorrect connection will damage the drive unit.
Do not remove the jumper across terminal P/+
and P1 except when connecting a DC reactor.
 Outline dimension drawings
<FR-BU2>
W
Model
FR-BU2-1.5K
Specifications, Structure, etc.
D
H
Brake Resistor
W
(Note)1.The regenerative brake duty setting should be less than the permissible brake duty in the table
200V
1.5K
0.4kW, 0.75kW
GZG 300W-50(one)
Up to 10 units
0.9
Motor (kW)
0.4
50% 30s
100% 30s
Drive unit
MCCB MC
U
R/L1
S/L2 V
T/L3 W
P/+
*2
N/-
Reset
Brake permission signal
Signal for
master/slave
D
W H D
68 128 132.5 (Unit: mm)
Outline Dimension
Permissible
Model Brake Duty
W W1
FR-ABR-0.4K 10% 140 500
FR-ABR-0.75K 10% 215 500
above.
2.The temperature of the brake resistor could become 300°C or more depending on the operation
frequency. Care must be taken for installation and heat dissipation.
3.The brake resistor cannot be used with the 0.1K and 0.2K.
4.Do not remove the jumper across terminal P/+ and P1 except when connecting a DC reactor.
<Discharging resistor>
Model GRZG Type
Number of connectable devices
Brake resistor total resistance value ()
Continuous permissible power (W)
0.75
FR-BU2-1.5K
FR-BU2-1.5K
ON OFF
MC
MC
Discharging resistor
Motor
M
R
PR
A
B
P/+
C
N/-
*2
RES
BUE *1
SD
MSG
SD
MSG
SD
Brake unit
FR-BU2
<GZG>
W
Model W
GZG300W 335
Thermal Relay Type
(Mitsubishi Product)
D H
40 21 200 0.2 TH-N20CXHZ-0.7A
40 21 100 0.4 TH-N20CXHZ-1.3A
200V
GZG300W-50
one
50
100
Discharging resistor
R
PR
A
B
P/+
C
N/-
*2
RES
BUE *1
SD
MSG
SD
MSG
SD
Brake unit
FR-BU2
When connecting
several brake units
D
H D
40 78 (Unit: mm)
40