T4NS-4AF Safety-Door Switch K1

■ Includes 2 contact models:1NC+1NO(T4NS-4AF)and 2NC(T4NS-4BF)

■ Standardized gold-clad contacts provide high contact reliability,applicable to both standard loads and microloads

■ Four kinds of metallic heads available.

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Technical Parameters

Model Designations

T4NS - ▢ ▢ ▢

① ② ③

Item	Code	Description
①Conduit / connector size	1	Pg13.5 (1 conduits type)
	2	G1/2 (1 conduits type)
	4	M20 (1 conduits type) (Default)
② Built-in switch	A	1NC/1NO (slow-action type)
② Built-in switch	B	2NC (slow-action type)
③Head Mounting Direction	F	Four mounting directions possible (Front-side mounting at shipping)/plastic
③Head Mounting Direction	D	Four mounting directions possible (Front-side mounting at shipping)/metal

Characteristics

Rating	3A 240VAC (A300)
Operating speed	0.1m ~0.5m/s
Contact resistance	25mΩ max. (initial).
Insulation resistance	100mΩ min. (at 500VDC)
Dielectric strength	AC2500V/Umip 4KV
Vibration	10-55HZ，1.5mm double-amplitude
Shock	Mechanical: Approx. 1000m/s2 (Approx. 100G'S) Electrical: Approx. 300m/s2 (Approx. 30G'S)
Ambient temperature	-10℃ ~+70℃ ( With no icing)
Ambient Humidity	< 95% RH
Life	Above 300,000
Operating frequency	30 operations/min.
Weight	About 96g(T4N-4AF-K1) About 104G(with M20 gland)
Degree of protection	IP66 (initial)

Operating Characteristics

Key plug in force	Max.	14.7N(1,500gf)
Key pull out force	Max.	29.42N(3,000gf)
Pretravel		6±3mm
Total travel		(28mm)
Force required to have positive	Min.	58.84N(6,000gf)
Positive opening travel	Min.	10mm

Ratings

T4NS-4AF Safety-Door Limit Switch K1

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