Omron, J7TKN Thermal Overload Relay, 4A, 6 A F.L.C, 6A Contact Rating, 15 kW 3

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RS Stock No.:
214-6941
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.:
J7TKN-B-14
ผู้ผลิต:
Omron
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Brand

Omron

FLC Motor Rating

4, 6A

Product Type

Thermal Overload Relay

Relay Contact Current

6A

Series

J7TKN

Mount Type

Direct

Pole and Throw Configuration

3

Power Rating

15kW

Reset Method

Automatic

Adjustable Current Range

10 to 14 A

Width

45mm

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

60°C

Length

126.5mm

Contact Voltage

690V

Standards/Approvals

IEC 60947-4-1, VDE 0660, EN 60947-4-1

Depth

70mm

Supply Voltage

690V

Omron J7TKN Series Thermal Overload Relay, 10 to 14A Adjustable Current Range, 15kW Power Rating - J7TKN-B-14


This thermal overload relay protects three-phase motors by interrupting circuits when excessive current is detected, providing automatic reset capability for routine operations. Designed for industrial control panels, it supports higher supply voltages and is intended for direct mounting in motor protection schemes to reduce downtime and safeguard equipment.

Features and Benefits:


• Adjustable trip setting 10to14A for precise motor protection
• Rated for 690V supply to handle high-voltage installations
• Three-pole configuration delivering balanced phase monitoring
• 15kW power capacity to protect medium-sized motors
• Conforms to IEC 60947-4-1 and EN 60947-4-1 for standardised performance
• Reset method is automatic to restore service without manual intervention

Applications


• Suitable for industrial motor panels requiring phase overload protection
• Ideal for automation systems with medium-power three-phase motors
• Used for protecting pumps and fans rated up to 15 kW
• Can be used for plant machinery where 690V supply is present
• Used with control contactors for coordinated motor protection

What operating temperature range can I expect in an industrial environment?


It is specified to operate between -25°C and 60°C, permitting use in a wide range of ambient conditions.

How does it match motor full-load current ratings?


It accommodates motor FLC values such as 4 A and 6 A by adjusting the trip setting within its 10to14A band for appropriate co-ordination.

How Compact is the unit for panel layouts?


The relay occupies a Compact footprint with a width of 45mm and a depth of 70mm, aiding high-density installations.

What is the mounting method for installation?


It is designed for direct mounting to simplify fitting within existing contactor assemblies.

What contact capacity should be considered when pairing with control circuits?


The relay’s auxiliary contact current rating is 6 A, which informs selection of downstream control components.

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