Datasheet

Thermal Overload Relay J7TKN 9
Thermal Overload Relays
Data according to IEC 60947-4-1, IEC 60947-5-1, VDE 0660, EN 60947-4-1, EN 60947-5-1
Type
J7TKN-A(B) J7TKN-AA J7TKN-B J7TKN-C J7TKN-D J7TKN-E J7TKN-F J7TKN-G J7TKN-H
Rated insulation voltage U
i
*1
*1) Suitable for: earthed-neutral systems, overvoltage category I to III, pollution degree 3 (standard-industry: U
imp
= 4kV (at 440V), 6kV (at 690V).
Data for other conditions on request.
V~ 690 690 690 690 690 750 1000 1000 1000
Permissible ambient temperature
operation open °C -25 to 60 -25 to 55
storage °C -50 to 70 -40 to 70
Trip class according to IEC 60947-4-1 10A 10A 10A 10A 10A 20 10A 10A 10
Cable cross-section
main connector solid or stranded mm² 0.75-6 +
0.75-2.5
*2
*2) Maximum cable cross-section with prepared conductor
0.75-6 +
0.75-2.5
*3
*3) Maximum cable cross-section with prepared conductor
0.75-6 0,75-10 4-35
*2 *4
*4) Without terminals, suitable for bushing one connector 70mm² (stranded) per phase
Busbar Busbar
*5
*5) Busbar sets see accessories page 4
flexible mm² 0.75-4 +
0.5-2.5
*2
0.75-4 +
0.5-2.5
*2
1-4 0,75-6 6-25
*2
18×4 25×6
flexible with multicore cable end mm² 0.5-2.5 +
0.5-1.5
0.5-2.5 +
0.5-1.5
0.75-4 0.75-6 4-25 Screw
M8
Screw
M10
Cables per clamp number 1+1 1+1 2 2 1 1 1
auxiliary connector solid mm² 0.75-2.5
*2
1-2.5
*2
flexible mm² 0.5-2.5
*2
1-2.5
*2
flexible with multicore cable end mm² 0.5-1.5 1-2.5
*2
Cables per clamp number 2 2
Auxiliary contacts
Rated insulation voltage U
i
*1
same potential V~ 690 690 690 690 690 690 690 690 500
different potential V~ 440 440 440 250 250 440 440 440 500
Utilization category AC15
Rated operational current I
e
24VA5534
*6
*6) Switching capacity of the start contact: AC15 300VA, max. 1.5A, DC13 (max. 220V) 30W, max. 1.5A
4
*6
5334
*7
*7) Switching capacity of the make contact: AC15 400VA, max. 1,7A, DC13 (max. 220V) 10W, max. 1A
230VA3322.52.53222.5
400VA2211.51.52111.5
690V A 0.6 0.6 0.5 0.6 0.6 0.6 0.5 0.5 0.6
Utilization category DC13
Rated operational current I
e
24V A 1.2 1.2 1 1.2 1.2 1.2 1.2 1.2 1.2
110V A 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15
220V A 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Short circuit protection (without welding
1kA)
highest fuse rating gL (gG) A 664666446
Setting range A to 23 to 23 all 28-42 52-65 all - - -
Power loss per current path (max.)
minimum setting value W 1.1 1.1 1.1 1.3 2.9 1.1 - - -
maximum setting value W 2.3 2.3 2.3 3.3 4.5 2.5 - - -