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Compact Die-cast Safety
Limit Switches
Features

UL/CSA markings provided
(") contact forced open mechanism provided. (N.C. contact only)
High sealing ability (IP67)
Safety interlock switch made of die-cast.
 

Performance

Standards Conformed standards Product related: IEC 60947-5-1, EN 60947-5-1
(->)
Machine related: IEC 60204-1, EN 60204-1
Approved standards UL
Structure Protective structure IP67 (IEC 60529)
Electrical shock protection Class I (IEC 60536)
Contamination degree of
operating environment
Contamination degree 3
Internal switch Slow action
Electrical
performance
Electrical rating See separate Table 1.
Dielectric strength Between non-continuous terminals: 2,500Vac, 50/60Hz for 1min.
Between esch terminal and non-conducting metal part: 2,500Vac, 50/60Hz for 1min.
Between each terminal and ground: 2,500Vac, 50/60Hz for 1min.
Insulation resistance 100M or more (by 500Vdc Megger)
Rated energizing current (Ith) 6A
Short-circuit protective device Breaking fuse 6A type gG (gl)
Rated insulation voltage (Ui) 400V IEC 60947-5-1, 300V UL508
Conditional rated
short-circuit current
1,000A
Rated impulse withstanding
voltage (Uimp)
4,000V
Mechanical
performance
Impact resistance 250m/s2 (18ms) IEC 60068-2-27
Vibration resistance 250m/s2 (10 to 500Hz) IEC 60068-2-6
Allowable operating speed Minimum operating speed: 0.001m/s
Maximum operating speed: (30° dog is used.)
LJM-B502 : 0.1m/s, LJM-B515 : 1.5m/s
Life Mechanical life 10million operations or more
Electrical life 4million operations (3,600 operations/hr. or less)
Environmental
conditions
Operating temperature range -25 to +70°C (non-freezing)
Operating humidity range 85%RH or less
Recommended
tightening torque
Body 1.2 to 1.5Nm (M4 hexagon socket head cap bolt)
Note 1 The values stated in the above Table are common to all LJA10 series models.
Note 2 The values for the roller lever type are those obtained when the lever length is 30mm.
Table 1. Electrical rating
AC-15: B300
(Ue=240V, Ie=1.5A)
DC-13: R300
(Ue=250V, Ie=0.1A)
Category used AC-15:
DC-13:
Solenoid load
Solenoid load
Ue: Rated operating voltage
Ie: Rated operating current
 
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