Datasheet

ManualsBrandsApem ManualsKey (Keylock) Operated SwitchesKey-Operated Switch Poles2

APEM www.apem.com 1

LK series

Keylock Switches

Distinctive features and specifications

ELECTRICAL SPECIFICATIONS

GENERAL SPECIFICATIONS

MATERIALS

AGENCY APPROVALS

The company reserves the right to change specifications without notice.

LK_U1605US

Single and double pole options

Up to four positions

Momentary and maintained switching

Multiple key pull position options

45° or 90° indexing

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Lock housing : Zinc alloy die casted, nickel plated

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Cylinder : 4 disc tumbler, zinc alloy die casted, nickel plated

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Keys : 2 single bitted keys, brass nickel plated

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Contacts : Gold plated copper alloy

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Body : Glass filled polyester

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Contact rating : 4A at 125 VAC or 28VDC, 2A at 250 VAC

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Contact resistance : ≤ 10 mΩ

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Insulation resistance : ≥109 MΩ

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Dielectric strength : 1000 V RMS minimum at sea level

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Electrical life : 6000 cycles at full load

UL recognised

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Mechanical life : 6000 cycles at full load.

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Operating temperature range : -30°C to +85°C

Dimensions :

first dimensions are in mm while inches are shown in brackets.

Mounting accessories

: Standard hardware supplied :1nut.

For spare keys please contact APEM.

Packaging unit : 25

Refer to the following pages for further information.

Summary of content (3 pages)

PAGE 1
LK series Keylock Switches Distinctive features and specifications LK_U1605US Single and double pole options Up to four positions Momentary and maintained switching Multiple key pull position options 45° or 90° indexing ELECTRICAL SPECIFICATIONS GENERAL SPECIFICATIONS • Contact rating : 4A at 125 VAC or 28VDC, 2A at 250 VAC • Contact resistance : ≤ 10 mΩ • Insulation resistance : ≥109 MΩ • Dielectric strength : 1000 V RMS minimum at sea level • Electrical life : 6000 cycles at full load • Mechanical l
PAGE 2
LK series Keylock Switches Overview LK 126 SERIES Function Finish Barrel Shutter (Maintained function &Nickel finish only) N Nickel plated G Black 6 Maintained 5 Momentary Indexing Lock Maintained No of function Poles Configuration A SP B (std) DP C SP D (std) DP E SP F (std) DP G SP H (std) DP 7 SP J (std) DP N SP 8 (std) DP P SP Q (std) DP R SP S (std) DP 1 2 45° 3 1 2 45° 3 1 2 45° 3 1 3 2 1 3 2 45° 45° 1 90° 2 1 90° 2 1 90° 2 S Supplied B None
PAGE 3
LK series Keylock Switches Panel cut-out Ø19 (0.755) MODEL STRUCTURE + • 2, 3 and 4 position configuration • Maintained and momentary functions • Standard and overmoulded key • Nut or clip fixing • Barrel shutter option Recomended Panel Layout 19 0.75 Standard Key Standard Nut 22 0 .87 Terminals 19 0.75 P1.0 42 1.65 5.250 0.21 4.300 0.17 16.203 0.64 Maintained 22.3° 16 0 .63 2.030 0 .08 90° 0.510 0.02 12.500 0.49 5.25 0.207 15.596 0.61 6.500 0.26 21.996 0.87 12.497 0.49 9.800 0.39 16 0.