J7TKN-A-E9 Omron, J7TKN-A-E9 Datasheet - Page 92
![no-image](/images/manufacturer_photos/0/4/494/omron_sml.jpg)
J7TKN-A-E9
Manufacturer Part Number
J7TKN-A-E9
Description
RELAY THERMAL OVERLOAD 0.6-0.9A
Manufacturer
Omron
Specifications of J7TKN-A-E9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
J7TKNAE9
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Coordination type
Status of a switchgear combination (motor starter) during and after
testing at rated conditional current:
Coordination Type “1“:
- No risk to persons or installations
- No requirement for immediate readiness for renewed operation
- Damage to the starter is permissible
Coordination type “2“:
- No risk to persons or installations
- Starter is capable of renewed operation
- No damage to the starter with the exception of a slight welding of
Positive opening operation
(IEC 947-1; 2.4.11/IEV 441-16-12)
This opening operation is designed to ensure that auxiliary contacts
of a switching device are always in the respective positions corre-
sponding to the open or closed position of the main contacts. The
contacts of a contactor are interlocked opposing contacts, pro-
Symbols used in Technical Data and Formulae
DF
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cn
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the contacts, provided they can be separated without significant
deformation.
Duty factor
Rated short-circuit breaking capacity
Rated service short-circuit breaking capacity
Rated ultimate short-circuit breaking capacity
Rated operational current
Transformer initial short-circuit current AC
Rated current
Rated transformer current
Rated conditional short-circuit current
Set value of overcurrent release
Response value of non-delayed short-circuit release
Appendix
vided they are mechanically linked in such a way as to ensure that
normally open and normally closed contacts can never be closed
simultaneously.
This arrangement must also ensure that minimum contact separation
of 0.5 mm is maintained over the entire lifespan of the device, even
during a fault, e.g. the welding of one contact.
The relevant German Trade Association requires the use of contac-
tors with interlocked opposing contacts for control systems on power
presses in the metal processing industry.
Positive/enforced
operation/actuation
This describes an arrangement where a link between the actuator
and the switching element ensures that the force exerted on the actu-
ator is transferred directly, i.e. without the intervention of sprung
parts, onto the switching element.
Positive opening
(IEC 947-1; 2.4.10/IEV 441-16-11)
An opening operation which ensures that the main contacts of a
mechanical switching device have attained the open position when
the actuator is in the Off-position.
I
I
I
S
U
U
U
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u
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th
the
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NT
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imp
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Conventional free air thermal current
Conventional thermal current of enclosed devices
Rated uninterrupted current
Transformer rating
Rated actuating voltage
Rated operational voltage
Rated insulation voltage
Rated impulse withstand voltage
Transformer short-circuit voltage
Rated control voltage
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