Data sheet
Thermal overload relay TF65 and TF96
Description
– Overload protection – trip class 10
– Phase loss sensitivity
– Temperature compensation from -25 … +60 °C
– Adjustable current setting for overload protection
– Automatic or manual reset selectable
– Suitable for three- and single-phase application
– Trip-free mechanism
– Status indication
– STOP and TEST function
– Direct mounting onto block contactors
– Sealable operating elements
Order data
TF65 and TF96 screw terminal
For AF contactors
Setting range
A
22.0
25.0
30.0
36.0
44.0
50.0
57.0
40.0
48.0
57.0
65.0
75.0
84.0
Type
2CDC231004V0013
Order code
Packing Weight
unit
per PCE
PCE
1
1
1
1
1
1
1
1
1
1
1
1
1
kg
0.456
0.456
0.456
0.456
0.456
0.466
0.466
0.620
0.620
0.620
0.620
0.620
0.630
...
...
...
...
...
...
...
...
...
...
...
...
...
28.0
33.0
40.0
47.0
53.0
60.0
67.0
51.0
60.0
68.0
78.0
87.0
96.0
TF65-28
TF65-33
TF65-40
TF65-47
TF65-53
TF65-60
TF65-67
TF96-51
TF96-60
TF96-68
TF96-78
TF96-87
TF96-96
1SAZ811201R1001
1SAZ811201R1002
1SAZ811201R1003
1SAZ811201R1004
1SAZ811201R1005
1SAZ811201R1006
1SAZ811201R1007
1SAZ911201R1001
1SAZ911201R1002
1SAZ911201R1003
1SAZ911201R1004
1SAZ911201R1005
1SAZ911201R1006
Suitable for mounting on:
TF65: AF40, AF52, AF65
TF96: AF80, AF96
2CDC231005V0013
Thermal overload relays are economic
electromechanical protection devices for
the main circuit. They are used mainly
to protect motors against overload and
phase failures. Starter combinations are
setup together with contactors.
Functional description
1
Terminals 1L1, 3L2, 5L3
2
Sealable operating elements
3
Current setting range
Adjustable current setting for overload protection
2
2CDC232006F0013
1
4
TEST
Status indication
5
RESET
Automatic or manual reset selectable
6
Signaling contacts 97-98
3
4
5
6
7
8
9
7
Terminals 2T1, 4T2, 6T3
8
Tripping contacts 95-96
9
STOP
Application / internal function
The thermal overload relays are three pole relays with bimetal tripping elements (1 per pole). The motor current flows through
the bimetal tripping elements and heats them directly and indirectly. In case of an overload (over current), the bimetal
elements become bent as a result of the heating. This leads to a release of the relay and a change of the contacts switching
position (95-96 / 97-98). The contact 95-96 is used to control the load contactor.
The overload relays have a setting scale in Amperes, which allows the direct adjusting of the relay without any additional
calculation. In compliance with international and national standards, the setting current is the rated current of the motor
and not the tripping current (no tripping at 1.05 x I, tripping at 1.2 x I; I = setting current). The relays are constructed in way
that they protect themselves in the event of an overload. The overload relay has to be protected against short-circuit. The
appropriate short-circuit protective devices are shown in the table.
Operation mode
1~
3~
2CDC232001F0010
Trip state
RESET state
TEST manual reset mode
TEST auto reset mode
STOP while device is in trip state
STOP while device is in RESET state
Contact 95-96
open
closed
open
open
open
open
Contact 97-98
closed
open
closed
closed
closed
open
Status indication
ON
Comment
while TEST is operated
STOP button has no function
while STOP button is pressed
Wiring diagram
RESET
2CDC232006F0009
A
M
95
97
2CDC232006F0009
TEST
2T1
4T2 6T3
STOP
96
98
2 - 2CDC106069D0201
Resistance and power loss per pole and short-circuit protective devices
Type
Setting range
lower value
A
TF65-28
TF65-33
TF65-40
TF65-47
TF65-53
TF65-60
TF65-67
TF96-51
TF96-60
TF96-68
TF96-78
TF96-87
TF96-96
22.0
25.0
30.0
36.0
44.0
50.0
57.0
40.0
48.0
57.0
65.0
75.0
84.0
upper value
A
28.0
33.0
40.0
47.0
53.0
60.0
67.0
51.0
60.0
68.0
78.0
87.0
96.0
Resistance per
pole
mΩ
3.937
3.474
2.321
1.645
1.292
0.939
0.759
1.647
1.316
0.992
0.632
0.516
0.397
Power loss
at lower value
W
1.9
2.2
2.1
2.1
2.5
2.3
2.5
2.6
3.0
3.2
2.7
2.9
2.8
at upper value
W
3.1
3.8
3.7
3.6
3.6
3.4
3.4
4.3
4.7
4.6
3.8
3.9
3.7
Short-circuit
protective device
coordination type 2
80 A, gG Type Fuses
80 A, gG Type Fuses
100 A, gG Type Fuses
125 A, gG Type Fuses
125 A, gG Type Fuses
125 A, gG Type Fuses
160 A, gG Type Fuses
125 A, gG Type Fuses
160 A, gG Type Fuses
160 A, gG Type Fuses
200 A, gG Type Fuses
200 A, gG Type Fuses
250 A, gG Type Fuses
Technical diagrams
Intermittent periodic duty
(Op/h)
140
120
switching frequency
100
t
a
=
80
0.5
t
a
s
60
40
20
0
0
=
1
s
40
60
80 100 (%)
t
a
=
t
a
=
t
a
= 5
20
s
duty ratio
Motor starting time
Dimensions
in
mm
and inches
10.1
0.40"
34.8
1.37"
7
0.28"
55.7
2.19"
4
0.08"
3.45"
87.7
3.45"
67.8
2.67"
46
1.81"
101.4
16.6
0.65"
18.9
0.74"
65
2.56"
2CDC232005F0211
1.5
s
3s
2T1
4T2
6T3
10.4
37.4
0.41"
83.5
3.29"
102.8
106.1
106.9
4.05"
4.18"
4.21"
1.47"
2.16"
54.9
TF65
12.1
0.47"
45.8
1.80"
10
0.39"
58.5
2.30"
2.5
0.10"
4.19"
60.6
3.57"
70.3
2.77"
46
1.81"
106.3
16.6
0.65"
18.9
0.74"
67.5
2.66"
2T1
4T2
6T3
17.9
0.70"
54.9
44.9
1.77"
69.9
2.75"
2.16"
83.5
3.29"
102.8
106.1
106.9
4.05"
4.18"
4.21"
TF96
2CDC232011F0012
2CDC232010F0012
2CDC106069D0201 - 3
Technical data IEC/EN
Data at T
A
= 40 °C and at rated values, if nothing else indicated
Main circuit
TF65 / TF96
690 V AC
- V DC
see table on page 1
see upper value of setting range, table on page 3
10
50/60 Hz
3
see table on page 3
see table on page 3
see table on page 3
Rated operational voltage U
e
Setting range - thermal overload protection
Rated operational current AC-3 I
e
Trip class
Rated frequency
Number of poles
Resistance per pole
Power loss per pole
Short-circuit protective devices
Isolation data
Rated impulse withstand voltage U
imp
Rated insulation voltage U
i
Pollution degree
TF65 / TF96
8 kV
690 V
3
Electrical connection
Connecting capacity
solid
stranded
flexible with ferrule
flexible with insulated ferrule
flexible without ferrule
Stripping length
Tightening torques
Connection screw
TF65
1/2x 2.5 ... 16 mm²
1x 2.5 ... 35 mm²
1/2x 2.5 ... 16 mm²
1x 2.5 ... 35 mm²
1/2x 2.5 ... 10 mm²
1x 2.5 ... 35 mm²
1/2x 2.5 ... 4 mm²
1x 2.5 ... 35 mm²
1/2x 2.5 ... 16 mm²
1x 2.5 ... 35 mm²
17 mm
4.0 … 4.5 Nm
M6 (Pozidriv 2)
TF96
1/2x 6 ... 35 mm²
1x 6 … 50 mm²
1/2x 6 ... 35 mm²
1x 6 … 50 mm²
1/2x 6 ... 35 mm²
1x 6 … 50 mm²
1/2x 6 ... 16 mm²
1x 6 … 50 mm²
1/2x 6 ... 35 mm²
1x 6 … 50 mm²
22 mm
6.5 ... 9 mm
M8 (Hexagon 4)
4 - 2CDC106069D0201
Auxiliary circuit
95-96, 97-98
600 V
6A
4A
DC, 50/60 Hz
1NC + 1NO
Rated operational voltage U
e
Conventional free air thermal current I
th
Rated frequency
Number of poles
Rated operational current I
e
acc. to IEC/EN 60947-5-1 for utilization category
at AC-15 at 110-120 V
at AC-15 at 220-230-240 V
at AC-15 at 440 V
at AC-15 at 480-500 V
at DC-13 at 24 V
at DC-13 at 110-120-125 V
at DC-13 at 250 V
at DC-13 at 500 V
Minimum switching capacity
Short-circuit protective devices
NC, 95-96
NO, 97-98
NC,
NO,
NC,
NO,
NC,
NO,
NC,
NO,
NC,
NO,
NC,
NO,
NC,
NO,
NC,
NO,
95-96
97-98
95-96
97-98
95-96
97-98
95-96
97-98
95-96
97-98
95-96
97-98
95-96
97-98
95-96
97-98
NC, 95-96
NO, 97-98
3.00 A
0.75 A
3.00 A
0.75 A
0.75 A
0.75 A
0.75 A
0.75 A
1.25 A
1.25 A
0.55 A
0.55 A
0.27 A
0.27 A
0.15 A
0.15 A
17 V / 3 mA
6 A, Type gG
4 A, Type gG
Isolation data
Rated impulse withstand voltage U
imp
Rated insulation voltage U
i
Pollution degree
95-96, 97-98
6 kV
690 V
3
Electrical connection
Connecting capacity
solid
stranded
flexible with ferrule
flexible with ferrule insulated
flexible without ferrule
Stripping length
Tightening torques
Connection screw
95-96, 97-98
1/2x 0.75 ... 4 mm²
1/2x 0.75 ... 4 mm²
1/2x 0.75 ... 2.5 mm²
1x 0.75 ... 2.5 mm²
2x 0.75 ... 1.5 mm²
1/2x 0.75 ... 1 mm²
1/2x 1 ... 2.5 mm²
9 mm
1 ... 1.5 Nm
M3 (Pozidriv 2)
2CDC106069D0201 - 5
