High Security Keylocks Series CK
General Specifications
Electrical Capacity (Resistive Load)
Power Level:
3A @ 250V AC
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
20 milliohms maximum
1,000 megohms minimum @ 500V DC
1,000V AC minimum between contacts for 1 minute minimum;
1,500V AC minimum between contacts & case for 1 minute minimum
30,000 cycles minimum
Mechanical Life:
Electrical Life:
10,000 cycles minimum
Static Capability:
Nominal Operating Torque:
Withstands 15 kilovolts minimum ESD minimum (for CKM models only)
16mm Bushing (CKM models):
.04 mNm (5.67 oz•in) for Flat Key
.08 mNm (11.33 oz•in) for Tubular Key
19mm Bushing (CKL models):
.05 mNm (7.08 oz•in) for Flat Key
.07 mNm (9.91 oz•in) for Tubular Key
Break-before-make
90° for 2-position & 45° for 3-position
Contact Timing:
Angle of Throw:
Materials & Finishes
Keys for CKM:
Brass with nickel plating with ABS handle
Brass with nickel plating for tubular key;
brass with chrome plating for flat key
Glass fiber reinforced PBT for CKM models;
zinc alloy with chrome plating for CKL
LCP (Liquid Crystal Polymer)
Copper with silver plating
Copper with silver plating
Copper
Silver
Keys for CKL:
Housing/Bushing:
Base:
Contact Terminals:
Common Terminals:
Movable Contactor:
Movable Contacts:
Environmental Data
Operating Temperature Range:
Humidity:
–25°C through +70°C (–13°F through +158°F)
90 ~ 95% humidity for 240 hours @ 40°C (104°F) for CKM;
90 ~ 95% humidity for 96 hours @ 40°C (104°F) for CKL
Vibration:
Shock:
10 ~ 55Hz with peak-to-peak amplitude of 1.5mm for CKM or 0.7mm for CKL traversing the
frequency range & returning in 1 minute; 3 right angled directions for 2 hours
50G (490m/s2) acceleration for CKM; 30G (294m/s2) acceleration for CKL; (CKM & CKL tested
in 6 right angled directions, with 5 shocks in each direction)
Installation
Mounting Torque:
1.5 Nm (13.28 lb•in) maximum
Soldering Time & Temperature:
Manual Soldering: See Profile A in Supplement section.
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
NKK [ NIHON KAIHEIKI INDUSTRY CO. LTD. ]
