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2. Accessories for Thermal Overload Relay J7TKN-#-### J74TK-##-### Thermal Overload Relay Accessories for Thermal Overload Relay for mini motor contactor and motor contactor (4-11 kW) Single mounting for J7TKN-B Types (4-32 kW) for motor contactor (4-15 kW) Busbar sets for motor contactor (18.5 kW)
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■ System overview Thermal Overload Relays for plug-in mounting Setting Range Type Pack Weight D.O.L. Star Delta pcs. kg/pc. For contactors J7KNA-09..., J7KNA-12... 0.12 0.18 J7TKN-A-E18 0.10 0.18 0.27 J7TKN-A-E27 0.10 0.27 J7TKN-A-E4 0.10 J7TKN-A-E6 0.10 J7TKN-A-E9 0.10 manual reset J7TKN-A-1E2 0.10...
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Thermal Overload relays for separate mounting Setting Range Type Pack Weight D.O.L. Star Delta pcs. kg/pc. For contactors J7KN-85... to J7KN-151... J7TKN-E-90 0.90 J7TKN-E-120 0.90 manual reset For contactors J7KN-176... to J7KN-200... J7TKN-F-150 J7TKN-F-210 busbar sets manual reset see accessories...
Specifications ■ Engineering data and Characteristics Thermal Overload Relays, tripping times for selection to motors of protection degree EEx e Relays With Standard Tripping Characteristic When selecting a standard overload, refer to the tripping curve. Setting Range Tripping time(in seconds) depending on the mul-...
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J7TKN-F all ranges *1) Coordination-type according to IEC 947-4-1: „2“: Light contact welding accepted. Thermal overload relay must not be damaged. „1“: Welding of contactor and damage of the thermal overload relay allowed. *2) Miniature fuse Tripping Characteristics for J7TKN-A, J7TKN-B, J7TKN-C, J7TKN-D...
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Tripping Characteristics for J7TKN-E Detailed tripping times for each range see table page 58 with three-phase load with two-pole load Tripping time Tripping time min. s min. s Average value of Typical tolerance typical tolerance curve from cold curves from cold...
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*3) Without terminals, suitable for bushing one connector 70mm² (stranded) per phase *4) Busbar sets see accessories page 57 *5) Switching capacity of the start contact: AC15 300VA, max. 1.5A, DC13 (max. 220V) 30W, max. 1.5A J7TKN Thermal Overload Relay...
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Temperature Compensation In case of higher ambient temperature use the following formula: Example: (Ambient temperature - 20) x 0.125 = correction factor in % of the Ambient temperature 70°C, full load motor current 7A full load motor current (70 - 20) x 0.125 = 6.25% Setting value: 7A + 6,25% = 7.44A...
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J7KN-200 + J7TKN-F Do not use/install these products before having read the applicable precautions as listed in Cat. No. J09-EN-01 available from www.europe.omron.com or on request from OMRON local sales office. ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. Cat. No. J07E-EN-01A In the interest of product improvement, specifications are subject to change without notice.
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