CHINT Low-voltage Brief Catalogue

Low-voltage Brief Catalogue

Surge Arrester

Pushbutton & Indicator

041

042

P -

NXU-I+II

NP9 Pushbutton

1. General

For controlling electrical circuit either directly or via starters, contactors, relays etc. And pushbutton with lamp could also be used as indicator.

1.1 Compliant standards IEC/EN 61643-11 1.2 Function Protect electric system and on-loading electrical apparatus from thunder and instantaneous over-voltage. 1.3 The product is composed of two independent components removable protective module 4 and base 2. 1.4 When the product is damaged, the part 3 will indicate; please replace the removable protective module 4 at once and there is no need to cutoff the circuits. 1.5 The part 1 is for maximum continuous operational voltage indication as well as avoiding replacement with wrong module.

2. Technical features

NP9

• Manufactured according to IEC/EN 60947-5-1 • Type: Pushbutton without illuminated lamp • Electric ratings: 6A, 230V, AC50/60Hz • Electric life: 100,000 • Mechanical life: 250,000 • Type: Pushbutton with illuminated lamp • Electric ratings: 20mA, AC/DC 6.3/12/24/110/230V • Assembly of contact: 1N/C+2N/O, 2N/C+1N/O, 3N/O, 2N/C+2N/O (Not available for illuminated type) • Mounting on Din rail (TH35-7.5)

NXU-I+II

2. Technical features

Standard

IEC/EN 61643-11

Poles

1P+N

3P+N

ND9 Indicator Light

Protection mode Electrical features Class

L-PE L-N L-PE N-PE L-PE

L-PE N-PE L-N N-PE

L-N

N-PE

Ⅰ 、 Ⅱ 50/60

1. General

Frequence

Maximum continuous operational voltage Maximum impulse current (10/350μs) Iimp Nominal discharge current (8/20μs) In Maximum discharge current (8/20μs) Imax

V~ 275, 385

255

275, 385

255

Indication of signal, pre-set signal, malfunction signal etc.

kA kA kA kV

12.5

25 30 40 1.5

12.5

50 50 50

25 50

2. Technical features

Level of protection Up

1.5(for 275V), 1.8 (for 385V)

1.5(275V), 1.8(385V) 1.5

ND9

• Manufactured according to IEC/EN 60947-5-1 • Two types: single lamp & dual lamps • Electric ratings: 20mA, AC/DC 6.3/12/24/110/230V • Mounting on Din rail (TH35-7.5)

Remote indication contact (with or without) Woking indication/Fault indication

Green/Red

Maximum 1.5 mm 2

Maximum 1.5mm 2

Remote connection capacity

AC DC

250V/0.5A

Remote contact switch capacity

250V/0.1A; 75V/0.5A

Installation Protection degree

IP20

Mounting Strip length Terminal size

On DIN rail EN60715(35mm) by means of fast clip device

mm 15

mm 2

Screw dimension Tightening torque

N·m 2.0~3.0

Ambient temperature

-40~+70

℃ m

Altitude

≤2000

Relative humidity

≤95% at + 20 ℃ ; ≤50% at + 40 ℃

Mounting Environment

The place where there is no significant vibration and shock