Omron J7TKN DATASHEET
Thermal Overload Relay
J7TKN
Thermal Overload Relay
• Direct and separate mounting
• Single phasing sensivity according to IEC 947-4-1
• Finger proof (BGV A2)
Accessories
• Busbar sets
• Set for single mounting
Approved Standards
Standard Guide No (US,C)
UL NKCR, NKCR7
IEC 947-4-1
VDE 0660
EN 60947-4-1
)
Ordering Information
■ Model Number Legend
1. Thermal Overload Relay
J7TKN-#-###
123
1) Thermal Overload Relay
2) A: for mini motor contactor and motor contactor (4-11 kW)
B: for motor contactor (4-15 kW)
C: for motor contactor (18.5 kW)
D: for motor contactor (22-37 kW)
E: for motor contactor (45-55 kW)
F: for motor contactor (75-110 kW)
3) Setting range
E18: 0.12-0.18 A
E27: 0.18-0.27 A
E4: 0.27-0.4 A
E6: 0.4-0.6 A
E9: 0.6-0.9 A
1E2: 0.8-1.2 A
1E8: 1.2-1.8 A
2E7: 1.8-2.7 A
4: 2.7-4 A
6: 4-6 A
9: 6-9 A
11: 8-11 A
14: 10-14 A
18: 13-18 A
24: 17-24 A
32: 23-32 A
42: 28-42 A
52: 40-52 A
65: 52-65 A
74: 60-74 A
90: 60-90 A
120: 80-120 A
150: 100-150 A
210: 140-220 A
2. Accessories for Thermal Overload Relay
J74TK-##-###
123
1) Accessories for Thermal Overload Relay
2) SM: Single mounting for J7TKN-B Types (4-32 kW)
SU: Busbar sets
M: Single Mounting for J7TKN-A Types (4-11 kw)
3) 176: for J7TKN-F Types (75-90 kW)
200: for J7TKN-F Types (110 kW)
Thermal Overload Relay J7TKN 55
■ System overview
Thermal Overload Relays for plug-in mounting
Setting Range Type Pack Weight
D.O.L. (A) Star Delta (A) pcs. kg/pc.
For contactors J7KNA-09..., J7KNA-12...
0.12 - 0.18 -
0.18 - 0.27 - J7TKN-A-E27 10.10
0.27 - 0.4 - J7TKN-A-E4 10.10
0.4 - 0.6 - J7TKN-A-E6 10.10
0.6 - 0.9 - J7TKN-A-E9 10.10
0.8 - 1.2 - J7TKN-A-1E2 10.10
1.2 - 1.8 - J7TKN-A-1E8 10.10
1.8 - 2.7 - J7TKN-A-2E7 10.10
2.7 - 4 - J7TKN-A-4 10.10
4-6 7 - 10.5 J7TKN-A-6 10.10
6-9 10.5 - 15.5 J7TKN-A-9 10.10
8-11 14 - 19 J7TKN-A-11 10.10
10 - 14 18 - 24 J7TKN-A-14 10.10
For contactors J7KN-10... to J7KN-40...
0.12 - 0.18 -
0.18 - 0.27 - J7TKN-B-E27 10.14
0.27 - 0.4 - J7TKN-B-E4 10.14
0.4 - 0.6 - J7TKN-B-E6 10.14
0.6 - 0.9 - J7TKN-B-E9 10.14
0.8 -
1.2 - 1.8 - J7TKN-B-1E8 10.14
1.8 - 2.7 - J7TKN-B-2E7 10.14
2.7 - 4 - J7TKN-B-4 10.14
4-6 7 - 10.5 J7TKN-B-6 10.14
6-9 10.5 - 15.5 J7TKN-B-9 10.14
8-11 14 - 19 J7TKN-B-11 10.14
10 - 14 18 - 24 J7TKN-B-14 10.14
13 - 18 23 - 31 J7TKN-B-18 10.14
17 - 24 30 - 41 J7TKN-B-24 10.14
23 - 32 40 - 55 J7TKN-B-32 10.14
J7TKN-A-E18 10.10
manual reset
J7TKN-B-E18 10.14
1.2 - J7TKN-B-1E2 10.14
manual and auto reset
For contactors J7KN-24... to J7KN-40...
28 - 42 48 - 73
For contactors J7KN-50...-J7KN-74...
40 - 52 70 - 90
52 - 65 90 - 112 J7TKN-D-65 10.40
60 - 74 104 - 128 J7TKN-D-74 1 0.40
J7TKN-C-42 10.30
manual and auto reset
J7TKN-D-52 10.40
manual and auto reset
56 Thermal Overload Relay J7TKN
Thermal Overload relays for separate mounting
Setting Range Type Pack Weig ht
D.O.L. (A) Star Delta (A) pcs. kg/pc.
For contactors J7KN-85... to J7KN-151...
60 - 90 104 - 156
80 - 120 140 - 207 J7TKN-E-120 10.90
For contactors J7KN-176... to J7KN-200...
100 - 150 175 - 260
140 - 220 240 - 380 J7TKN-F-210 11.5
Accessories
for overload relays for contactors pcs. kg/pc.
Busbar Sets
J7TKN-F-150 J7KN-151, J7KN-176 J74TK-SU-176 10.6
J7TKN-F-210 J7KN-200 J74TK-SU-200 10.7
busbars must be installed by users
for overload relay solid or stranded flexible
J7TKN-E-90 10.90
manual reset
J7TKN-F-150 11.5
busbar sets
see accessories
Cable Cross-section to clamp (mm²) Type Pack Weig ht
manual reset
Type Pack Weig ht
flex. with multicore
cable end pcs. kg/pc.
Sets for single mounting
J7TKN-A
J7TKN-B
0.75
0.75--66
0.75
0.75--44
0.5
0.5--44
J74TK-M
J74TK-SM
1
0.035
1
0.035
Thermal Overload Relay J7TKN 57
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