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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.

Product List

Technical Parameters

Limit Switch for Door

Limit switch for door is used to provide feedback when a motorized door closes to a certain position to interrupt the current action or to give feedback on closing in place for other controls to ensure the safety of the process. Door limit switches are particularly useful when implementing circuit boards to simulate the closing of a door.

Safety limit switch for door is available with different drive heads and contact blocks to meet all installation requirements. Welcome to contact us!


Model Designations: Limit Switch for Door

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)

B

2NC (slow-action type)

③Head Mounting

Direction

F

Four mounting directions possible

 (Front-side mounting at   shipping)/plastic

D

Four mounting directions possible

 (Front-side mounting at   shipping)/metal

Door limit switch characteristics

Rating3A 240VAC (A300)
Operating speed0.1m ~0.5m/s
Contact resistance25mΩ max. (initial).
 Insulation resistance100mΩ min. (at 500VDC)
Dielectric strengthAC2500V/Umip 4KV
Vibration10-55HZ,1.5mm double-amplitude
ShockMechanical: Approx. 1000m/s2 (Approx. 100G'S)
Electrical: Approx. 300m/s2 (Approx. 30G'S)
Ambient temperature-10℃ ~+70℃ ( With no icing)
Ambient Humidity< 95% RH
LifeAbove 300,000
Operating frequency30 operations/min.
Weight

About 96g(T4N-4AF-K1)

About 104G(with M20 gland)

Degree of protectionIP66 (initial)


Operating Characteristics

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

T4NS-4AF Safety-Door Limit Switch K1

Ratings Sheet

Rated voltageNoninductive Load (A)Inductive Load (A)
Rated voltageLamp LoadInductive LoadMotor Load
NCNONCNONCNONCNO
125 VAC5 (0.1) 

1.5

 1

0.7 0.5

3

2

2.5 1.51.3 0.8
250 VAC3
8 VDC

5 (0.1)

254

3

14 VDC

 5 (0.1) 

244

 3 

30 VDC

4 (0.1) 

233

 3 

125 VDC

0.4 

0.05

0.40.4

 0.05 

250 VDC0.20.030.20.20.03