LEGRAND RTX Series Instruction Manual

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87045 LIMOGES Cedex
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Thermal relays
Thermal relaysThermal relays
Thermal relays R
RR
RTX
TXTX
TX
Cat N°(s)
Cat N°(s)Cat N°(s)
Cat N°(s) :
: :
: 0
0 0
0 294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/ 294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
73/74/75/76/77/78/82/83/84/85/86/87/88
73/74/75/76/77/78/82/83/84/85/86/87/88 73/74/75/76/77/78/82/83/84/85/86/87/88
73/74/75/76/77/78/82/83/84/85/86/87/88
0
0 0
0 294 94/95
294 94/95294 94/95
294 94/95
CONTENTS
CONTENTS CONTENTS
CONTENTS
PAGE
1. Use ..................................................... 1
2. Range ................................................. 1
3. Electrical diagram ................................ 1
4. Mounting positions .............................. 1
5. Overall dimensions .............................. 1
6. Electrical characteristics ...................... 2
7. Tripping curves .................................... 3
8. Operation ............................................ 4
1.
1. 1.
1. USE
USEUSE
USE
Thermal relays comply with IEC 60947-4-1. They can be associated to
CTX-1 (Ref. 0 294 58 up to 0 294 78) and CTX-2 (Ref. 0 294 82 and
0 294 88).
They ensure the thermal protection of circuits, against overload and
long starting times.
2. RANGE
2. RANGE2. RANGE
2. RANGE
R
RR
RTX
TXTX
TX-
--
-1
11
1 Ie min.
Ie min.Ie min.
Ie min. Ie max.
Ie max.Ie max.
Ie max.
0 294 58 For CTX-1 from 9A up to 40A
0,65A 1,1A
0 294 59 For CTX-1 from 9A up to 40A
1A 1,5A
0 294 60 For CTX-1 from 9A up to 40A
1,3A 1,9A
0 294 61 For CTX-1 from 9A up to 40A
1,8A 2,7A
0 294 62 For CTX-1 from 9A up to 40A
2,5A 4A
0 294 63 For CTX-1 from 9A up to 40A
4A 6,3A
0 294 64 For CTX-1 from 9A up to 40A
5,5A 8,5A
0 294 65 For CTX-1 from 9A up to 40A
8A 12A
0 294 66 For CTX-1 from 9A up to 40A
10A 16A
0 294 67 For CTX-1 from 9A up to 40A
14,5A 18A
0 294 68 For CTX-1 from 9A up to 40A
17,5A 22A
0 294 69 For CTX-1 from 9A up to 40A
21A 26A
0 294 70 For CTX-1 from 9A up to 40A
25A 32A
0 294 71 For CTX-1 from 9A up to 40A
30A 40A
0 294 72 For CTX-1 from 50A up to 105A
24A 32A
0 294 73 For CTX-1 from 50A up to 105A
30A 43A
0 294 74 For CTX-1 from 50A up to 105A
42A 55A
0 294 75 For CTX-1 from 50A up to 105A
54A 65A
0 294 76 For CTX-1 from 50A up to 105A
64A 82A
0 294 77 For CTX-1 from 50A up to 105A
78A 97A
0 294 78 For CTX-1 from 50A up to 105A
90A 110A
RTX
RTXRTX
RTX-
--
-2
22
2 Ie
Ie Ie
Ie min.
min.min.
min. Ie max.
Ie max.Ie max.
Ie max.
0294 82 For CTX-2 from 150A up to 185A
63A 90A
0294 83 For CTX-2 from 150A up to 185A
90A 120A
0294 84 For CTX-2 from 150A up to 185A
110A 140A
0294 85 For CTX-2 from 150A up to 185A
140A 190A
0294 86 For CTX-2 from 250A up to 310A
120A 190A
0294 87 For CTX-2 from 250A up to 310A
175A 280A
0294 88 For CTX-2 from 250A up to 310A
200A 310A
3.
3. 3.
3. ELECTRICAL DIAGRAM
ELECTRICAL DIAGRAMELECTRICAL DIAGRAM
ELECTRICAL DIAGRAM
4.
4. 4.
4. MOUNTING POSITIONS
MOUNTING POSITIONSMOUNTING POSITIONS
MOUNTING POSITIONS
5. OVERALL DIMENSIONS
5. OVERALL DIMENSIONS5. OVERALL DIMENSIONS
5. OVERALL DIMENSIONS
RTX-1, Cat N°0 294 58 up to 0 294 71 :
RTX-1, Cat N°0 294 72 up to 294 78 :
Technical data sheet:
F01169EN/00 Updated on: / Created on: 13/12/2012

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Thermal relays RTX
Thermal relays RTXThermal relays RTX
Thermal relays RTX
Cat N°(s)
Cat N°(s)Cat N°(s)
Cat N°(s) :
: :
: 0
0 0
0 294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/ 294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
73/74/7
73/74/773/74/7
73/74/75/76/77/78/82/83/84/85/86/87/88
5/76/77/78/82/83/84/85/86/87/88 5/76/77/78/82/83/84/85/86/87/88
5/76/77/78/82/83/84/85/86/87/88
0
0 0
0 294 94/95
294 94/95294 94/95
294 94/95
5. OVERALL DIMENSIONS
5. OVERALL DIMENSIONS5. OVERALL DIMENSIONS
5. OVERALL DIMENSIONS (Continued)
RTX
-
2,
Cat N° 0
294 82 up to
0
294 85
:
RTX
-
2,
Cat N° 0
294 86 up to
0
294 88
:
6
66
6.
. .
. ELECTRICAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICSELECTRICAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
RTX-1
0 294 58 up
to 0 294 71
RTX-1
0 294 72 up
to 0 294 78
RTX-2
0 294 82 up to
0 294 85
RTX-2
0 294 86 up to
0 294 88
Class 10A 10 10 10
Setting range (A) 0,65 ... 40 24 ... 110 63 ... 190 120 ... 310
Suitable for
CTX-1
9A up to 40A CTX-1 50A up to 105A
CTX-2
150A up to 185A CTX-2 250A up to 310A
Power circuit
Rated insulation voltage Ui (IEC947-4)
(V)
690 1000 1000 1000
Frequency limits
(Hz)
0...400 0...400 0...400 50...60
Wiring capacity
Clamp terminal – rigid conductor
(mm2)
6 50 120 -
Clamp terminal – flexible conductor
(mm2)
4 35 120 -
With flat terminal
(mm)
- - 25 x 5 -
Passing by hole - bar
(mm)
- - - 30 x 10
Tightening torque
(Nm)
2,5 4,5 6,5 23
Control circuit
Rated insulation voltage Ui (IEC60947-4)
(V)
690
Conventional thermal current Ith
(A)
10
Rated voltage / Rated current
AC-15 - Ue-Ie
(V - A)
110/120 - 3 ; 220/240 - 2 ; 380/415 - 1 ;
480/500 - 0,8 ; 660/690 - 0,3
DC-13 - Ue-Ie
(V - A)
24 - 2 ; 48 - 1,4 ; 110 - 0,6 ; 250 - 0,3 ; 440 - 0,1
Utilization according Ul and CSA B600 Q600
gL type fuse
(A)
10
Wiring capacity
(mm2)
2,5
Tightening torque
(Nm)
0,8
Operating
conditions
Storage temperature -40ºC à +70ºC
Ambiant operating temperature -25ºC a +60ºC
Operating altitude Up to 3000m without derating
Humidity 98%
Protective treatment Tropicalized
Technical data sheet:
F01169EN/00 Updated on: / Created on: 13/12/2012

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Thermal relays RTX
Thermal relays RTXThermal relays RTX
Thermal relays RTX
Cat N
Cat NCat N
Cat N°(s)
°(s)°(s)
°(s) :
: :
: 0
0 0
0 294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/ 294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
73/74/75/76/77/78/82/83/84/85/86/87/88
73/74/75/76/77/78/82/83/84/85/86/87/88 73/74/75/76/77/78/82/83/84/85/86/87/88
73/74/75/76/77/78/82/83/84/85/86/87/88
0
0 0
0 294 94/95
294 94/95294 94/95
294 94/95
7. TRIPPING CURVES
7. TRIPPING CURVES7. TRIPPING CURVES
7. TRIPPING CURVES
RTX-1 reference 0 294 58 up to 0 294 71 : class 10A
RTX-1 reference 0 294 72 up to 0 294 78 : class 10
RTX-2 reference 0 294 82 up to 0 294 85 : class 10
RTX-2 reference 0 294 86 up to 0 294 88 : class 10
Technical data sheet:
F01169EN/00 Updated on: / Created on: 13/12/2012
Multiple of setting current
One phase
Cold condition
Three phases
Cold condition
Three phases
Heat condition
Tripping times
Multiple of setting current
Tripping times
One phase
Cold condition
Three phases
Cold condition
Three phases
Heat condition
Tripping times
Multiple of setting current
One phase
Cold condition
Three phases
Cold condition
Three phases
Heat condition
Multiple of setting current
One phase
Cold condition
Three phases
Cold condition
Three phases
Heat condition
Tripping times

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Thermal relays RTX
Thermal relays RTXThermal relays RTX
Thermal relays RTX
Cat N°(s)
Cat N°(s)Cat N°(s)
Cat N°(s) :
: :
: 0
0 0
0 294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/ 294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
73/74/75/76/77/78/82/83/84/85/86/87/88
73/74/75/76/77/78/82/83/84/85/86/87/88 73/74/75/76/77/78/82/83/84/85/86/87/88
73/74/75/76/77/78/82/83/84/85/86/87/88
0
0 0
0 294 94/95
294 94/95294 94/95
294 94/95
8.
8. 8.
8. OPERATION
OPERATIONOPERATION
OPERATION
RESET
8.1
8.18.1
8.1.
. .
. TEST
TESTTEST
TEST Fonction
FonctionFonction
Fonction
When the test button is pressed, the status of auxiliary contacts change.
8.2.
8.2. 8.2.
8.2. Operation in manual reset
Operation in manual resetOperation in manual reset
Operation in manual reset
The thermal relay must be reset by pressing the test button, in order to restart the load.
8.3.
8.3. 8.3.
8.3. Operation in manual reset and stop
Operation in manual reset and stopOperation in manual reset and stop
Operation in manual reset and stop
The thermal relay must be reset by pressing the test button, in order to restart the load.
A pushing on the test button is used to stop the load.
Technical data sheet:
F01169EN/00 Updated on: / Created on: 13/12/2012
Manual reset
Manual reset and
stop
Automatic reset
with stop
Automatic reset
without stop

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Thermal relays RTX
Thermal relays RTXThermal relays RTX
Thermal relays RTX
Cat N°(s)
Cat N°(s)Cat N°(s)
Cat N°(s) :
: :
: 0
0 0
0 294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/ 294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
294 58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/
73/74/75/76/77/78/82/83/84/85/86/87/88
73/74/75/76/77/78/82/83/84/85/86/87/88 73/74/75/76/77/78/82/83/84/85/86/87/88
73/74/75/76/77/78/82/83/84/85/86/87/88
0
0 0
0 294 94/95
294 94/95294 94/95
294 94/95
8.4. Operation in automatic reset with stop
8.4. Operation in automatic reset with stop8.4. Operation in automatic reset with stop
8.4. Operation in automatic reset with stop
The thermal relay is automatically reset after the cooling of bi-metal.
A pushing on the test button is used to stop the load.
8.5.
8.5. 8.5.
8.5. Operation in automatic reset with
Operation in automatic reset withOperation in automatic reset with
Operation in automatic reset without
outout
out stop
stopstop
stop
The thermal relay is automatically reset after the cooling of bi-metal.
Technical data sheet:
F01169EN/00 Updated on: / Created on: 13/12/2012