Shape / Structure	Enclosed Limit switches
service life	General type
Operating mechanism	Snap action
Actuator	Short hinge roller lever
Frequency	50/60 Hz
Switching mechanism	Self-reset mechanism
Contact configuration	Single-Pole, Double-Throw type
Contact form	1c
Load	Micro load
Ratings (AC): Non-Inductive load	Rated voltage: 125 VAC, Resistive load: 0.1 A (NC) 0.1 A (NO)
Ratings (DC): Non-Inductive load	Rated voltage: 8 VDC, Resistive load: 0.1 A (NC) 0.1 A (NO) Rated voltage: 14 VDC, Resistive load: 0.1 A (NC) 0.1 A (NO) Rated voltage: 30 VDC, Resistive load: 0.1 A (NC) 0.1 A (NO)
Explanation	The above values indicate the steady-state current.
Inrush current	NC: 0.5 A NO: 0.2 A
Protective circuit	Classification of protection against electric shock: Class II (Double insulation) Short-circuit protective device: 10 A fuse type gI or gG (IEC269)
Ambient temperature	Operating: -10 CEL to 80 CEL (with no icing or condensation)
Ambient humidity	Operating: 35%RH to 95%RH (with no icing or condensation)

Permissible operating speed	0.1 mm/s to 0.5 m/s
Permissible operating frequency (Mechanically)	120 operations / 1 minute Max.
Permissible operating frequency (Electrically)	30 operations / 1 minute Max.
Contact resistance	30 m Ohm Max. (Initial value) (Measuring method is contact resistance meter.)
Insulation resistance	Between each terminal of the same polarities: 100 M Ohm Min. Between live-metallic part and ground: 100 M Ohm Min. Between each terminal and non-live-metallic part: 100 M Ohm Min. (at 500 VDC Megger)
Dielectric strength	Between each terminal of the same polarities: 600 VAC Between live-metallic part and ground: 2,000 VAC Between each terminal and non-live-metallic part: 2,000 VAC (50/60 Hz for 1 min)
Durability (Mechanically)	10,000,000 operations Min. * When operate the actuator with the specified value of the Over Travel. (No load) (Temperature, Humidityconditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)
Durability (Electrically)	500,000 operations Min. * When operate the actuator with the specified value of the Over Travel. (Resistive load 0.1 A at 125 VAC) (Temperature, Humidityconditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)
Pollution degree	3 (EN60947-5-1)
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: Type1
Applicable standard (UL)	Standard No.: UL508 File number: E76675
Applicable standard (CSA)	Standard No.: C22.2 NO.14 File number: LR45746
Applicable standard (TUV)	Standard No.: EN60947-5-1 File number: J50062486
Applicable standard (CCC(CQC))	Standard No.: GB14048.5 File number: 2003010305072162
Applicable standard (EC Directive (Low Voltage Directive))	2006/95/EC
Mounting specification	Side mounting
Weight	Approx. 65 g

Operating Force (OF)	Standard value 3.92 N Max.
Release Force (RF)	Standard value 0.78 N Min.
Pre-Travel (PT)	Standard value 8 mm Max.
Over-Travel (OT)	Standard value 3 mm Min.
Movement Differential (MD)	Standard value 2.5 mm Max.
Operating Position (OP)	Standard value 33 +/- 1 mm
Free Position (PF)	Standard value 41 mm Max.

SHL-W255-01

Switches