LJS-PA Series Plastic Safety Interlock Switch
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Catalog excerpts

LJS-PA Series Plastic Safety Interlock Switch - 1

Plastic Safety Interlock Switches @ C € ( Plastic safety interlock Switches. LJS-PA Series IUL/CSA/CE markings IQForced contact-opening mechanism ICompact size I Double-insulation structure with plastic housing (no grounding line connection required) iWide operating temperature range For details on dimensions, see relevant drawings. The internal switch of the LJS-PA Series has the N.C./N.O. electrically independent contact (Zb) structure. Additionally, the contact forced open structure is used to forcibly open the contact (N.C. contact only) even if the contact is fused As the switch is pushed in, the contact is opened forcibly.

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LJS-PA Series Plastic Safety Interlock Switch - 2

• Table 1. Electrical rating Category used AC-15: Solenoid load Ue: Rated operating voltage le: Rated operating current CONTACT OPERATION Catalog listing (NORMAL) state Contact close Contact open Transient state (NORMAL) state Circuit diagram

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LJS-PA Series Plastic Safety Interlock Switch - 3

■ OPERATING CHARACTERISTICS AND EXTERNAL DIMENSIONS round head screw .round head screw Example of circuit in category 1 of EN 954-1 Example of circuit in category 3 of EN 954-1 The reset is activated when the tongued key is removed, and Note: For mechanical/electrical redundancy, add another switch with the contact forced open mechanism.

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LJS-PA Series Plastic Safety Interlock Switch - 4

Diagram of tongued key position Diagram of tongued key insertion position Actuation radius of tongued key Always tighten each part of the safety switch with the recom- mended tightening torque stated in the product specification. If any part is tightened excessively this might cause damage to the screw and/or other parts. Additionally insufficient tightening may lead to lowering of various characteristics, such as switch sealing ability.

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