Shape / Structure
General-purpose Limit switches
service life
General type
Operating mechanism
Snap action
Actuator
Roller lever （17.5 dia. * 7, Sintered stainless steel roller, 38 R）
Frequency
50/60 Hz
Leakage current
Approx. 0.5 mA
Switching mechanism
Self-reset mechanism
Contact configuration
2-circuit double break type
Contact form
SPST-NO / SPST-NC
Load
General load
Ratings (AC): Non-Inductive load
Rated voltage: 115 VAC, Resistive load: 10 A (NC) 10 A (NO), Lamp load: 3 A (NC) 1.5 A (NO)
Ratings (AC): Inductive load
Rated voltage: 115 VAC, Inductive load: 10 A (NC) 10 A (NO), Motor load: 5 A (NC) 2.5 A (NO)
Ratings (DC): Non-Inductive load
Rated voltage: 12 VDC, Resistive load: 10 A (NC) 10 A (NO), Lamp load: 6 A (NC) 3 A (NO)
Rated voltage: 24 VDC, Resistive load: 6 A (NC) 6 A (NO), Lamp load: 4 A (NC) 3 A (NO)
Rated voltage: 48 VDC, Resistive load: 3 A (NC) 3 A (NO), Lamp load: 2 A (NC) 1.5 A (NO)
Rated voltage: 115 VDC, Resistive load: 0.8 A (NC) 0.8 A (NO), Lamp load: 0.2 A (NC) 0.2 A (NO)
Ratings (DC): Inductive load
Rated voltage: 12 VDC, Inductive load: 10 A (NC) 10 A (NO), Motor load: 6 A (NC) 6 A (NO)
Rated voltage: 24 VDC, Inductive load: 6 A (NC) 6 A (NO), Motor load: 4 A (NC) 4 A (NO)
Rated voltage: 48 VDC, Inductive load: 3 A (NC) 3 A (NO), Motor load: 2 A (NC) 2 A (NO)
Rated voltage: 115 VDC, Inductive load: 0.8 A (NC) 0.8 A (NO), Motor load: 0.2 A (NC) 0.2 A (NO)
Explanation
The above values indicate the steady-state current. Lamp load has an inrush current of 10 times the steady-state current. Inductive load has a power factor of 0.4 Min. (AC) and a time constant of 7 ms Max. (DC). Motor load has an inrush current of 6 times the steady-state current.
Inrush current
NC: 30 A
NO: 20 A
Indicator
LED (Possible to change between Light when operating and Light when not operating.)
Voltage: Common use for AC/DC 10 to 115 V
Leakage current: Approx. 0.5 mA
Conduit size
G1/2
Earth terminal
Without ground terminal
Ambient temperature
Operating: -10 to 80 CEL
(with no icing or condensation)
Ambient humidity
Operating: 35 to 95%RH
(with no icing or condensation)
Characteristics
Permissible operating speed
1 mm/s to 1 m/s
Permissible operating frequency (Mechanically)
120 operations / 1 minute Max.
Permissible operating frequency (Electrically)
30 operations / 1 minute Max.
Contact resistance
25 mOhm Max. (Initial value)
(Measuring method is contact resistance meter.)
Insulation resistance
Between live-metallic part and ground: 100 MOhm Min.
Between each terminal and non-live-metallic part: 100 MOhm Min.
(Without LED, at 500 VDC Megger)
Dielectric strength
Between live-metallic part and ground: 2,200 VAC
Between each terminal and non-live-metallic part: 2,200 VAC
(50/60 Hz for 1 min, Without LED)
Durability (Mechanically)
15,000,000 operations Min. (No load)
(Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)
Durability (Electrically)
750,000 operations Min. (Resistive load 10 A at 115 VAC)
(Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)
Vibration resistance (Malfunction)
Vibration frequency range: 10 to 55 Hz, Double amplitude: 1.5 mm, Contact opening: 1 ms Max. at the free position and the total travel position.
Shock resistance (Destruction)
1,000 m/s2
Shock resistance (Malfunction)
Contact opening is 1 ms Max. at the free position and the total travel position at 300 m/s2.
Degree of protection
IEC60529 (JEM): IP67
NEMA250: Type3, 4, 13
Applicable standard (UL)
Standard No.: UL508
File number: E76675
Applicable standard (CSA)
Standard No.: C22.2 NO.14
File number: LR45746
Applicable standard (CCC(CQC))
Standard No.: GB14048.5
File number: 2004010305128675
Mounting specification
Front mounting, Back mounting
Operating characteristics
Operating Force (OF)
Standard value 13.34 N Max.
Release Force (RF)
Standard value 2.23 N Min.
Pre-Travel (PT)
Standard value 15 +/- 5 DEG
Over-Travel (OT)
Standard value 30 DEG Min.
Movement Differential (MD)
Standard value 12 DEG Max.
