Contactors & Thermal Overload Relays Type MNX
About us Larsen & Toubro is a technology-driven company that infuses engineering with imagination. The Company offers a wide range of advanced solutions in the field of Engineering, Construction, Electrical & Automation, Machinery and Information Technology. L&T Switchgear, which forms part of the Electrical & Automation business, is India's largest manufacturer of low voltage switchgear, with the scale, sophistication and range to meet global benchmarks. With over five decades of experience in this field, the Company today enjoys a leadership position in the Indian market with growing presence in international markets. It offers a complete range of products including controlgear, powergear, motor starters, energy meters, wires and host of other accessories. Most of our product lines conform to international standards, carry markings and are certified.
Switchgear Factory, Mumbai
Range of MNX Contactors & Relays
L&T now introduces the MNX range of Contactors and Relays. The most rugged and user friendly Contactors and Relays available today.
Three Pole Power Contactors - Type MNX
Range from 9-650A AC3 Conformance to IEC 60947-4-1 / IS 13947-4-1
Thermal Overload Relays - Type MNX R
Direct Mounting on MNX Contactor Built-in single phasing protection
Three Pole Power Contactors
Technical Data MNX 9 CS 94106 / 7*
Catalogue No.
MNX 12 CS 94108 / 9*
MNX 18 CS 94100 / 1*
MNX 22 CS 94980 / 81*
MNX 25 CS 94110
Conformance to standards Power Contacts No. of poles
3
3
3
3
3
Rated insulation voltage, Ui
690V
690V
690V
690V
690V
Rated impulse withstand voltage, Ui Rated making capacity - (Amp) Rated breaking capacity - (Amp) Utilization category AC-1 Conventional thermal current, I th Utilization category AC-2 0 At 55 C Utilization category AC-3 Motor duty : 3Ø, 415V, 50Hz Utilization category AC-4
8 kV 450 200
8 kV 450 250
8 kV 450 250
8 kV 450 250
8 kV 480 400
25A 9A
30A 12A
30A 18A
32A 22A
45A 25A
4 kW / 5.5hp / 9A
5.5 kW / 7.5hp / 12A
9.3 kW / 12.5hp / 18A
11 kW / 15hp / 22A
11 kW / 15hp / 25A
4 kW / 5.5hp / 9A
5.5 kW / 7.5hp / 12A
9.3 kW / 12.5hp / 18A
11 kW / 15hp / 22A
11 kW / 15hp / 25A
5.5A
7.1A
8A
8.5A
13.5A
6 kVAR 570A
7.5 kVAR 680A
9 kVAR 750A
9 kVAR 750A
15 kVAR 1400A
9A
12A
18A
22A
25A
9A 9A
12A 12A
18A 18A
22A 22A
25A 25A
9A
12A
18A
22A
25A
9A 6A
12A 7.5A
18A 9A
22A 9A
25A 12A
Operational current Ie for AC-4 Utilization category at 415V, 3 Ø, 50Hz for 2,00,000 operating cycles Capacitor switching delta connected: 415V, 50Hz *** Max. Permissible peak in-rush current, I p for capacitor switching DC 1 - 110V DC 1 - 220V DC ratings (with 3 poles in series) DC 3 - 110V DC 3 - 220V and AC coil operation DC 5 - 110V DC 5 - 220V Mechanical life, No. of operating cycles Mechanical Max. frequency of operations: Operating cycles/hr
15 x 10 7200 3000
Utilization Category AC-1 Utilization Category AC-2 Utilization Category AC-3 Utilization Category AC-4 2
Lug (mm ) 2
Link (mm ) 2 Solid Conductors (mm ) 2
Multi strand conductors (mm )
15 x 10 7200 3000
6
15 x 10 7200 3000
6
6
15 x 10 7200 3000
10 x 10 7200 3000
750
750
750
750
750
750 300
750 300
750 300
750 300
750 300
0
Service temperature Main terminal capacity
6
0
0
0
0
0
0
0
6
0
0
-20 C to + 55 C
-20 C to + 55 C
-20 C to + 55 C
-20 C to + 55 C
-20 C to + 55 C
1 x 6 2x4
1 x 6 2x4
1 x 6 2x4
1x6 2x4
1 x 10 2x6
2 x 2.5
2 x 2.5
2 x 2.5
2 x 2.5
2x4
1NO or 1NC 10A 4A
1NO or 1NC 10A 4A
1NO or 1NC 10A 4A
1NO or 1NC 10A 4A
# 10A 4A
2 x 2.5
2 x 2.5
2 x 2.5
2 x 2.5
2 x 2.5
24, 42, 110,
24, 42, 110
24, 42, 110,
24, 42, 110,
24, 42, 110,
Auxiliary Contacts
No. of built-in auxiliary contacts 0 Conventional thermal current, Ith at 55 C AC-15 rating at 415V, 50Hz 2
Terminal capacity (Solid or multi strand conductors (mm ) Coil Voltage available for 50Hz
Uc (V)
220/240, 415, 525 220/240, 415, 525 220/240, 415, 525 220/240, 415, 525 220/240, 415, 525
Pick-up
VA CosØ
68 0.82
68 0.82
68 0.82
68 0.82
68 0.82
Hold-on
VA Watts
11
11
11
11
11
Pick-up (%Uc)
4 65 - 120
4 65 - 120
4 65 - 120
4 65 - 120
4 65 - 120
Drop-off (%Uc)
35 - 65
35 - 65
35 - 65
35 - 65
35 - 65
Limits of operation
* With 1NC Auxiliary Contacts ** Data Available on request *** For Capacitor Switching, please connect inductor in series
# Add - on block can be ordered separately • 60Hz & 50/60Hz Coils available on request
MNX 32 CS 94111
MNX 40 CS 94190
MNX 45 ST 19000
MNX 50 ST 19001
MNX 70 ST 19002
MNX 80 ST 19003
MNX 95 CS 94136
MNX 110 CS 94137
IEC 60947-4-1, BSEN 60947-4-1 & IS 13947-4-1
3
3
3
3
3
3
3
3
690V
690V
690V
690V
690V
690V
1000V
1000V
8 kV 550 500
8 kV 550 500
8 kV 900 750
8 kV 900 750
8 kV 900 750
8 kV 900 750
8 kV 1680 1400
8 kV 1680 1400
55A 32A
55A 40A
85A 45A
85A 50A
100A 70A
100A 80A
160A 95A
160A 110A
17 kW / 22.5hp / 32A
22.5 kW / 30hp / 40A
25 kW / 34hp / 45A
26 kW / 35hp / 50A
37 kW / 50hp / 70A
40 kW / 54hp / 80A
45 kW / 60hp / 95A
55 kW / 75hp / 110A
17 kW / 22.5hp / 32A
22.5 kW / 30hp / 40A
25 kW / 34hp / 45A
26 kW / 35hp / 50A
30 kW / 40hp / 63A
37 kW / 50hp / 70A
45 kW / 60hp / 95A
55 kW / 75hp / 110A
16A
20A
24A
24A
28.5A
43A
53A
58A
20 kVAR 2000A
20 kVAR 2000A
30 kVAR 2450A
30 kVAR 2450A
35 kVAR 2650A
40 kVAR 3000A
65 kVAR 3500A
65 kVAR 3500A
32A
40A
45A
50A
63A
80A
95A
110A
32A 32A
40A 40A
45A 45A
50A 50A
63A 63A
80A 80A
95A 95A
110A 110A
32A
40A
45A
50A
63A
80A
95A
110A
32A 20A
40A 25A
45A 45A
50A 50A
63A 50A
80A 63A
95A 95A
110A 110A
10 x 10 7200 3000
6
10 x 10 3600 3000
6
10 x 10 3600 3000
6
10 x 10 3600 3000
6
10 x 10 3600 3000
6
10 x 10 3600 3000
6
6
6
10 x 10 3600 3000
10 x 10 3600 3000
750
750
750
750
750
750
750
750
750 300
750 300
750 300
750 300
750 300
750 300
750 300
750 300
0
0
0
0
0
0
-20 C to + 55 C
0
0
-20 C to +55 C
0
0
-20 C to + 55 C
-20 C to + 55 C
-20 C to + 55 C
1 x 10 2x6
1 x 10 2x6
2x4
2x4
-
-
-
# 10A 4A
# 10A 4A
2NO + 2NC 10A 4A
2NO + 2NC 10A 4A
2 x 2.5
2 x 2.5
2 x 2.5
24, 42, 110,
24, 42, 110,
220/240, 415, 525
0
0
-20 C to + 55 C
0
0
0
0
-20 C to + 55 C
-20 C to + 55 C
1 x 120 2 x 25mm x 3mm -
1 x 120 2 x 25mm x 3mm -
-
-
-
2NO + 2NC 10A 4A
2NO + 2NC 10A 4A
2NO + 2NC 10A 4A
2NO + 2NC 10A 4A
2 x 2.5
2 x 2.5
2 x 2.5
2 x 2.5
2 x 2.5
24, 42, 110,
24, 42, 110,
24, 42, 110,
24, 42, 110,
24, 42, 110,
24, 42, 110,
220/240, 415, 525
220/240, 415, 525
220/240, 415, 525
220/240, 415, 525
220/240, 415, 525
220/240, 415, 525
220/240, 415, 525
68 0.82
68 0.82
190 0.77
190 0.77
190 0.77
190 0.77
550 0.64
550 0.64
11
11
21
21
21
21
36
36
4 65 - 120
4 80 - 110
5.5 80 - 110
5.5 80 - 110
5.5 80 - 110
5.5 80 - 110
10 80 - 110
10 80 - 110
35 - 65
35 - 65
35 - 65
35 - 65
35 - 65
35 - 65
35 - 65
35 - 65
1 x 35 1 x 35 1 x 35 1 x 35 1 x 12.5mm x 3mm 1 x 12.5mm x 3mm 1 x 12.5mm x 3mm 2 x 12.5mm x 3mm -
MNX 140 CS 94138
MNX 185 CS 94139
MNX 225 CS 94140
MNX 265 CS 94142
MNX 325 CS 94143
MNX 400 CS 94144
MNX 550 CS 94145
MNX 650 CS 96327
3
3
3
3
3
3
3
3
1000V
1000V
1000V
1000V
1000V
1000V
1000V
1000V
8 kV 1800 1600
8 kV 2220 1850
8 kV 2400 2000
8 kV 4000 3200
8 kV 4500 4000
8 kV 4500 4000
8 kV 5500 4500
8 kV 6500A 5200A
160A 140A
250A 185A
300A 225A
350A 265A
400A 325A
425A 400A
650A 550A
850A 650A
75 kW / 100hp / 140A
90 kW / 120hp / 185A
110 kW / 150hp / 225A 147 kW / 196hp / 265A 180 kW / 245hp / 325A 200 kW / 270hp / 400A 315 kW / 425hp / 550A 355 kW / 475hp / 650A
75 kW / 100hp / 140A
90 kW / 120hp / 160A
100 kW / 136hp / 200A 130 kW / 175hp / 235A 140 kW / 190hp / 250A 150 kW / 200hp / 275A 168 kW / 225hp / 300A 200 kW / 267hp / 400A
66A
90A
100A
120A
140A
150A
150A
**
70 kVAR 4000A
100 kVAR 4500A
125 kVAR 5400A
150 kVAR 6100A
175 kVAR 7000A
175 kVAR 7000A
250 kVAR **
300 kVAR **
125A
185A
225A
265A
325A
400A
550A
650A
125A 125A
185A 185A
225A 225A
265A 265A
325A 325A
400A 400A
550A 550A
650A 650A
125A
185A
225A
265A
325A
400A
550A
650A
125A 125A
185A 185A
225A 225A
265A 265A
325A 325A
400A 400A
550A 550A
650A 650A
10 x 10 3600 3000
6
10 x 10 3600 3000
6
10 x 10 3600 3000
6
10 x 10 3600 3000
6
10 x 10 3600 3000
6
10 x 10 3600 3000
6
10 x 10 1200 750
6
10 x 10 1200 750
750
750
750
750
750
750
750
750
750 300
750 250
750 150
750 150
750 150
750 150
750 150
750 150
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
0
0
-20 C to + 55 C
-20 C to + 55 C
-20 C to + 55 C
-20 C to + 55 C
-20 C to + 55 C
-20 C to + 55 C
-20 C to + 55 C
-20 C to + 55 C
1 x 120 2 x 25mm x 3mm -
1 x 185 2 x 30mm x 5mm -
1 x 185 2 x 30mm x 5mm -
2 x 240 / 1 x 300 2 x 50mm x 5mm -
2 x 240 / 1 x 300 2 x 50mm x 5mm -
2 x 240 / 1 x 300 2 x 50mm x 5mm -
2 x 50mm x 5mm 2 x 50mm x 5mm -
2 x 60mm x 5mm -
-
-
-
-
-
-
-
-
2NO + 2NC 10A 4A
2NO + 2NC 10A 4A
2NO + 2NC 10A 4A
2NO + 2NC 10A 4A
2NO + 2NC 10A 4A
2NO + 2NC 10A 4A
2NO + 2NC 10A 4A
2NO + 2NC 10A 4A
2 x 2.5
2 x 2.5
2 x 2.5
2 x 2.5
2 x 2.5
2 x 2.5
2 x 2.5
2 x 2.5
24, 42, 110,
110,
110,
110,
110,
110,
110,
110,
220/240, 415, 525
240, 415, 525
240, 415, 525
240, 415, 525
240, 415, 525
240, 415, 525
240, 415
240, 415
550 0.64
960 0.3
960 0.3
2100 0.21
2100 0.21
2100 0.21
1000 -
1000 -
36
56
56
95
95
95
25
25
10 80 - 110
16 80 - 110
16 80 - 110
35 80 - 110
35 80 - 110
35 80 - 110
10 80 - 110
10 80 - 110
35 - 65
35 - 65
35 - 65
35 - 65
35 - 65
35 - 65
35 - 65
35 - 65
Thermal Overload Relay
Technical Data Catalogue No.
MNX R3
MNX R4
MNX R5
MNX R5L
CS94209
CS94226
CS94228
CS94230
CS94210
CS94227
CS94229
CS94232
0.2 - 0.33
9 - 15
42 - 69
42 - 69
0.3 - 0.5
14 - 23
60 - 100
60 - 100
0.45 - 0.75
20 - 33
90 - 150
90 - 150
0.6 - 1
30 - 50
135 - 225
135 - 225
0.9 - 1.5
45 - 75
180 - 300
180 - 300
1.4 - 2.3
66 - 110
270 - 450
340 - 570
Separate
Separate
CS94211 CS94212 Range
2 - 3.3 3.0 - 5 4.5 - 7.5 6.0 - 10 9.0 - 15 14 - 23 20 - 33 24 - 40 Mounting
Suitable for Contactors Rated Insulation Voltage
Ui
Rated Impulse Voltage
Uimp
Direct
Direct
Separate
Separate
MNX 9, 12,18
MNX 45, 50, 70
MNX 185, 225, 265
22, 25, 32, 40
80, 95, 110, 140
325, 400, 550
690V
690V
6kV
6kV o
Service Temperature
690V
-5°C TO 55 C
690V
6kV o
-5°C TO 55 C
6kV o
-5°C TO 55 C
o
-5°C TO 55 C
1 Start & OFF / Reset
Start / OFF / Reset Built-in Contacts
2 NO + 1 NC
2 NO + 1 NC
2 NO + 1 NC
2 NO + 1 NC
Rated Operational
24V
6A
6A
6A
6A
Current for
110 V
5A
5A
5A
5A
AC-15 utilisation
220 V
3A
3A
3A
3A
Category at 60Hz
380 / 480V
2A
2A
2A
2A
500 V
2A
2A
2A
2A
10A
10A
10A
30
30
30
30
30
10
50
240
240
2 X 2.5
2 X 2.5
2 X 2.5
2 X 2.5
Trip Class Max. frequency of operations Main Terminal Capacity Aux. Terminal Capacity
Cycles / hr. 2
Lug (mm ) 2
Wires (mm )
Note - All relays are Ambient Temperature Compensated
Overall Dimensions Frame-I
Frame-II
1 0. 8 1 0. 8 1 0. 8
5 4 . 8 8
14.5
8 8
14.5
5 7 . 5 9
2 . 6 9
5 7 . 5 6
5 9 . 4 6
1 6 . 3 3
1 6 . 3 3
8
81
8
35 45
83
35 45
81 84.8 70 65 60
70 65 60
MNX9 MNX12 MNX18
M3.5 x 9 CrossScrews Mounting Holes to Suit M4 Screws
MNX25 MNX32 MNX40
M4 x 11.5 Screws M3.5 x 9 Screws Mounting Holes to Suit M4 Screws
Frame-III Terminal Screws M5 for MNX 45 / 50 M6 for MNX 70 / 80
Note: Dimensions of Contactors Not Suitable for DIN Rail Mounting
Frame-IV Screw - M8 x 25
5 . 0 2 1
2 5 1
Contactors
Dia ‘A’
MNX 45/50
83
MNX 70/80
83.5
3
A
Z H 0 5 V 0 2 2
8 1
5 . 1 6
Z H 0 5 V 0 2 2
136 4 Holes Ø6 For Mounting
13
175
Mounting Holes for M5 Screws
175 1L1
3L2
5L3
Z V 0 H 2 0 2 5
g n i t n u o M 5 8
6 9 9 0 1
5 4
MNX 45
2T1
4T2
3 T 6
3 L 5
1 A
2 T 4
2 L 3
0 2 1 5 4
6T3
2 A V Z
1 L 1
30 30 60 Mounting 89, (2 NO + 2 NC) 112, (4 NO + 4 NC)
MNX45/50 MNX70/80
Mounting Holes for M5 Screws
Frame-V
1 T 2
0 H 2 0 2 5
115
) C N 2 + O N 2 ( 7 3 1
) C N 4 + O N 4 ( 1 6 1
Printed text of Add-on Blocks & Top Cover should be Upright when Oblong Mounting Holes on Rear Housing are at Botto,
156
MNX95 MNX110 MNX140
Frame-VI
M10 x 30
Z H 0 5 V 0 4 2
1 8 1
4
Screw - M12 x 40
l e v e L l a n i m r e T l i l l o e e v c v e e 2 L L o 3 1 o N N 7 - 3 0 6
6 7
6 0 1 2
0 2 2
5 5 5 5 1 208 Mounting Holes for - M8 Screws
12
208.2 183.2 1 2 4 7 7 8
3 8
3 1 4
3
5 2
V Z 0 H 4 0 2 5
2 3
4 4
2 L 5
) C N 2 g + 9 n 4 i t O n N u 2 o r M f o - ( 5 7 9 3 4 1 4 1
2 L 6
2 L 3
2 L 4
1 L 1
2 T 2
3 1
1 2
2 2
5 2 0 4 H 0 ZV
4 1
3 1 2 4 5 6 6 5
125 Mounting
) C N 4 = O N 4 r o f ( 1 7 1
114
5 7 1
) C N 2 + O N 2 ( 0 0 2
5 . 2 6
5 . 2 6
MNX185 MNX225
170 241
Mounting Holes for M6 Screw
* All dimensions are in mm # Dimension for din rail mounting type available on request
275
) C N 4 + O N 4 ( 5 2 2
MNX265 MNX325 MNX400 MNX550 MNX650
Overall Dimensions MNX R3 Relay
MNX R4 Relay
MN 2 (Separate Mounting)
MN 5 (Separate Mounting)
Push Button Travel
Push Button Travel
5 . 3
5 . 3
2
5 . 1 0 5 1 . 8 8
4 9 1 8
5 . 2 7
9 8
5 . 8
36.5
56.5 M4 X 10 Mounting Screw
25.3 Fixing Screws M5 - 2 Nos
6 8
8
3 1 2 3 3 1 5 . 5 6
5 . 3 1 5 . 3 1
Suitable for M6
6 1
4 1
5 3
0 3 5 5
9 5 . 9 9
9
0 3
5 3
START & OFF / Reset Version OFF / RESET START O R 95 97 1/L1 3/L2 5/L3 I
5 . 1 2
5 . 7 1
6 3
9
19 94
96
98
Auxiliary Contact Arrangement
71.5
MNX R5 / 5l Relay MN 12 / 12L (Relay)
m n m 5 o t . t 3 u B l h e s v a u r P T
9 6 2 1 8 1
5 8 8 3 5 0 1
82 160 130
4 Mounting Slots to Suit M5
1 T / 2
1 L / 1
2 T / 4
2 L / 3
0 6
0 6 0 3
7 7
1 O 9 5 R
3 T / 6
3 L / 5
44.3 70 * All Dimensions are in mm
27
2/T1 4/T2 6/T3
to Suit M.12 Ø13
5 . 6 2
Accessories & Spares Contactor Type
Auxiliary Add-on Block
Mechanical Interlock Kit
Surge Suppressor
Spare Coil
Spare kit
Frame 1
4 NO
CS94112
3 NO + 1 NC
CS94113
MNX 9
2 NO + 2 NC
CS94114
MNX 9
CS94123
MNX 12
1 NO + 3 NC
CS94115
MNX 12
CS94124
MNX 18
4 NC
CS94116
MNX 18
CS94125
Frame 2
2 NO
CS94117
MNX 25
CS94127
MNX 25
1 NO + 1 NC
CS94118
MNX 32
CS94128
MNX 32
2 NC
CS94119
MNX 40
CS94147
MNX 40
1 NO
CS94120
1 NC
CS94121
MNX 45
First Left
CS94201
MNX 45
CS94149
MNX 50
First Right
CS94202
MNX 50
CS94150
MNX 70
Second Left
CS94203
MNX 70
CS94151
MNX 80
Second Right
CS94204
MNX 80
CS94152
MNX 95
CS94153
MNX 110
CS94154
MNX 140
CS94155
MNX 185
CS94156
MNX 225
CS94157
MNX 265
CS94159
MNX 325
CS94160
MNX 400
CS94161
MNX 550
CS94162
MNX 650
CS96336
CS94126
CS94166
CS94105
Frame 3
CS94197
CS94163
CS94192
Frame 4
MNX 95 MNX 110
CS94198
MNX 140
CS94164
CS94196
CS94205 CS94206
Frame 5
First Left
CS94207
MNX 185
First Right
CS94208
MNX 225
Second Left
CS94199
CS94164
CS94194
Second Right Frame 6
MNX 265 MNX 325
CS94200
CS94165
CS94195
MNX 400
MNX 550 MNX 650
Built-in
CS94193
International Sales Electrical Standard Products, Larsen & Toubro Limited, Powai Campus, Mumbai 400 072, INDIA Tel.: +91-22-6705 3844 Fax: +91-22-6705 1630 e-mail:
[email protected] Visit us at: www.LNTEBG.com
SP50379 R4 (INT)
210111
