JB 2700 Limit Switches

• Generous overtravel and by-pass. Flexibility of motion, clockwise and counter-clockwise.
• Simplicity and interchangeability of cams.
• Light operating torque.
• Fast contact action.
• Form Z contact arrangement

• Enclosure is water, oil and dust tight.
• Enclosure meets as per IP-67
• Contacts made of silver alloy. Contact shifting mechanism is locked in position by the latches until switch lever is actuated.
• Standard Temperature Range : 20⁰C to + 110⁰C
• Operating lever is adjustable to any required position.
• Operating lever Angles (travel either clockwise or counter-clockwise) maximum degrees of trip travel, reset travel, as well as total lever travel, are determined by the cam selected.
• Operating Torques – Trip Torque varies from 6.804 (to) 14.968 KLS depending on switch size and cam selected.
• Current ratings:

* 75-100% Power Factor.

Contacts transfer when lever is operated CCW. Lever can be operated CW but contacts will not transfer.

2N.O. 2N.C. JB2700-1044 JB2700-4500 JB2700-5400

CW & CCW OPERATION (COMBINATION B-1/B-2 CAM)

Contacts transfer when lever is operated CW or CCW.

2N.O. 2N.C.   JB2700-2502 JB2700-4050 JB2700-5040

MAINTAINED SWI TCHES

M CAM – MAINTAINED CONTACTS & LEVER POSITION

Lever and contacts are maintained in tripped position. When lever is moved CCW the N.C. contacts open and the N.O. contacts close. Starting at this position rotating the lever CW the N.O. contacts open and the N.C. close.

Contacts Circuits Mounting Position 1 Position 2 Standard “W” “L” 2N.O. 2N.C. JB2700-1125 JB2700-2115 JB2700-5112

Operational Data

M7 CAM – MAINTAINED CONTACTS – LEVER RETURNED

Contacts are maintained in tripped position, torsion spring will return lever to initial position when released. When lever is moved CCW the N.C. contacts open and the N.O. contacts close. The lever must then be returned to the initial position and be operated in the CW direction to reset the contacts.

2N.O. 2N.C. JB2700-1125 JB2700-2115 JB2700-5112

Operational Data

NEUTRAL POSITION SWITCHES

N CAM – NEUTRAL POSITION – ALL CONTACTS OPENAs lever is moved CW upper contacts close. As lever is spring returned to starting position upper contacts open. As lever is moved CCW from starting position lower contacts close. As lever is spring returned to starting position lower contacts open.

Contacts Mounting Circuits Standard “W” “L” 4N.O. JB2700-1008 JB2700-2007 JB2700-4104 N CAM – NEUTRAL POSITION – ALL CONTACTS CLOSED As lever is moved CW lower contacts open. As lever is spring returned to starting position lower contacts close. As lever is moved CCW from starting position upper contacts open. As lever is spring returned to starting position upper contacts close.

Operational Data

N1 – NEUTRAL POSITION – ALL CONTACTS OPEN

As lever is moved CW lower contacts close. As lever is spring returned to starting position lower contacts open. As lever is moved CCW from starting position upper contacts close. As lever is spring returned to starting position upper contacts open.

4N.O JB2700-2205 JB2700-4005 JB2700-5004 N1 CAM – NEUTRAL POSITION – ALL CONTACTS CLOSED  As lever is moved CW upper contacts open. As lever is spring returned to starting position upper contacts close. As lever is moved CCW from starting position lower contacts open. As lever is spring returned to starting position lower contacts close. 4N.C JB2700-3600 JB2700-4221 JB2700-5022

OPERATING LEVERS

 

DIMENSIONS (MM)

TOP

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