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2

01

NP2 series pushbutton is used in industrial control circuit with frequency 

of AC 50Hz or 60Hz, rated operating voltage up to 415V and DC operating 
voltage  up  to  250V.  It  is  used  to  control  electromagnetic  starter,  contactor, 
relay  and  other  electrical  circuits.  Pushbutton  with  indicator  is  also  suitable 
for applications that need signal light indication. 

Use Purpose

Main Technical Parameters

Table 1 Main technical parameters

E

n

v

ir

o

n

m

e

n

ta

co

n

d

it

io

n

s

Ambient temp. (℃)

Hot and humid 

atmospheric conditions

Altitude

Pollution class/

installation category

Rated operating voltage 

U

e

(V)

Rated operating current 

I

e

(mA)

Rated insulation voltage 

U

i

(V)

Conventional thermal 

current I

th

(A)

Rated impulse withstand 

voltage U

imp

(kV)

Head protection class

Rated operating voltage 

of button with indicator 

U

e

(V)

Te

ch

n

ic

a

l p

a

ra

m

e

te

rs

-

5℃~+40℃, average temperature should 

not 35℃ within 24h

Relative humidity should not exceed 50% at +40℃; 

up to 90% at +20℃;

No influence below 2000m

Class 3/II

AC-15: 415/380/240/220; DC-13: 250/220/125/110

415

10

2

.

5

IP40, IP65 (part)

See product body for details

AC-15: 1.9/2.5/3/4.5; DC-13: 0.27/0.3/0.55/0.6

Rated operating current 
of button with indicator 

I

e

(mA)

See product body for details

Summary of Contents for NP2 Series

Page 1: ...NO 2020 04 Standard IEC EN 60947 5 1 NP2 Series Pushbutton User Instruction ...

Page 2: ...n and maintenance Installation in any damp condensed phase environment with inflammable and explosive gas is forbidden When the product is being installed or maintained the power must be switched off You are prohibited from touching the conductive part when the product is operating ...

Page 3: ...onditions Altitude Pollution class installation category Rated operating voltage Ue V Rated operating current Ie mA Rated insulation voltage Ui V Conventional thermal current Ith A Rated impulse withstand voltage Uimp kV Head protection class Rated operating voltage of button with indicator Ue V Technical parameters 5 40 average temperature should not exceed 35 within 24h Relative humidity should ...

Page 4: ...meter of the mounting hole for 0 4 Φ 22 panel mounting button is 22 3 0 mm the metal head is suitable for mounting panel with thickness of 1mm 6mm the plastic head is suitable for mounting panel with thickness of 1mm 4mm Type Flat type knob type handle type key type with indicator signal light Φ22 installation dimensions Φ22 installation dimensions Direction A Direction B Mushroom type self lockin...

Page 5: ...e size Installation dimensions Φ Φ20 Φ20 20 2 Φ4 3 center to center distance 54 2 Φ4 3 center to center distance 54 68 2 Φ4 3 center to center distance 54 98 2 See Figure 2 and Figure 3 and Table 4 and Table 5 for product overall dimensions D D A B C 25 C A B 25 Figure 2 NP2 BA Figure 3 NP2 EA Unit mm ...

Page 6: ... 33 33 33 33 27 27 27 27 27 19 27 19 12 12 19 19 19 19 15 15 14 17 14 17 30 30 40 40 40 40 31 31 31 31 31 31 31 31 30 30 30 30 30 30 30 30 30 30 30 30 40 42 40 42 40 42 41 41 41 41 41 41 41 41 42 42 40 42 40 42 55 55 40 42 40 42 Note For NP2 BG NP2 EG B the dimension outside the brackets is height with key the dimension inside the brackets is height without key Table 5 Overall dimensions of pushbu...

Page 7: ...t exceed 0 25N m If the button is jammed after installation adjust the two fixing screws on the base and make sure they have the same tightness Before installing plastic head type button remove the base first insert a screwdriver into the hole on the base and pry it up as shown in Figure 5 Tighten the nuts with a torque of 1 2N m 1 8N m For NP2 B NP2 J buttons with cases there are two Φ 21mm cable...

Page 8: ...g method and precautions The button cannot be operated smoothly There are foreign objects like dust or greasy dirt on the button operation head or pushing rod of contact assembly Remove the foreign objects like dust or greasy dirt on the button operation head or pushing rod of contact assembly make sure the environment is dry and clean after installing the panel Use proper lubricant at the moving ...

Page 9: ... EN 60947 5 1 Check 31 07 In order to protect the environment the product or product parts should be disposed of according to the industrial waste treatment process or be sent to the recycling station for assortment dismantling and recycling according to local regulations 5 Environmental Protection ...

Page 10: ...es Pushbutton User Instruction Zhejiang Chint Electrics Co Ltd Add No 1 CHINT Road CHINT Industrial Zone North Baixiang Yueqing Zhejiang 325603 P R China E mail global sales chint com Website http en chint com ...

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