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FL-3CKU-xx Unshielded telephone ModuleRJ11 Keystone Jack


Product advantage

- Comply with US RJ11 phone jack, 6P4C (six position, 4 contacts) foot position standard.

- The module is equipped with a rotary dust cover to reduce dust intrusion (IP20 rated) and reduce the failure rate of the module.

- Modules of eight different colors can be selected according to the application requirements, which comply with TIA- 606 color management standard.

- The circuit board IDC terminal adopts the solder free bonding technology (press in), which can effectively reduce the capacitance effect suppress crosstalk.

- Provide a tool free crimping cover to prevent the cable from falling off and reduce the contact caused by dust bad problems occur.

- It supports the quick installation mode of the traditional 110 threading tool and the special 4-Pair threading tool (FL-KM90T).

- The module has EIA and USOC color code stickers, which can terminate 22AWG~26AWG wire gauge cores.

Product characteristics

Shell plastic material: fire resistant ABS (in accordance with UL-94V-0)

Contact material: tinned copper

Contact plating: 50 Gold Plated / 100 plate with nickel

Interface plugging times: >750

IDC wiring and termination times: >200

Plug and pull resistance: minimum 11lbf (50N) between plug and interface

Contact pressure of plug and interface: 100 grams minimum for each contact

Operating temperature: -40 to +75

Insulation strength (conductor conductor):1000VAC, 60Hz/1min

Insulation impedance: >500M ohms (500VDC)

Contact impedance: <20M ohms

Rated voltage / current: 150VAC/1.5Ampere

Meet the standards

US RJ11 standard

Can be used




Order information

Order information.jpg

P2.08.07_Unshielded  telephone ModuleRJ11 Keystone Jack.pdf


About us

Contact us


G04 Yexiang Road, Quanhua Fang, Beining City, Beining Province, Vietnam

Room 106, Haiwen business building, No. 50, Lane 2897, Xietu Road, Xuhui District, Shanghai, China

104 No. 5, 58 Lane, Hejiang Street, Zhongshan District, Taipei, China





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