CHINT Low-voltage Brief Catalogue

NB310L Residual Current Operated Circuit Breaker with Over-current Protection (Magnetic)

003

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1. General

NBH8 � Protection against risk of fire � Protection against risk of electric shock

NB1-63G

1. General � Protection against overload � Protection against short circuit � Contact position indicator • Short circuit protection • Overload protection • Switch • Isolation • 1P+N in one module • Contact position indicator

1. General

• Short circuit protection • Overload protection • Switch • Isolation • Various wiring solutions: U-type/pin-type/Comb-type Busbar/Cable

2. Technical features

NB310L (2P)

IEC/EN 61009-1

Standard Type (wave form of the earth leakage sensed)

A, AC

A

3PN

2P

Poles

Thermo-magnetic release characteristic

B, C

6-40 3P+N 400

A

6-32 2P

Rated current In Poles

2. Technical features

2. Technical features

NB1-63G

NBH8

Standard Rated voltage Ue Rated sensitivity I △ n Rated short-circuit capacity lcn Break time under I △ n Electrical life Mechanical life Rated current In Poles Rated voltage Ue

230/240

A V A s

0.03

IEC/EN 60898-1

Standard

IEC/EN 60898-1

6,000 ≤ 0.1

A 1, 2, 3, 4, 6, 10, 13, 16, 20, 25, 32, 40, 50, 63

Rated current In

A 1, 2, 3, 4, 6, 10, 13, 16, 20, 25, 32, 40, 50, 63

1P, 2P, 3P, 4P 230/400 2,000 2,000

Poles

1P, 2P, 3P, 4P

V

10000

Thermo-magnetic release characteristic

B, C

Rated voltage Ue

V

230/400

On DIN rail EN 60715 (35mm) by means of fast clip device From top and bottom

Mounting

Rated frequency

Hz 50/60 A 6000

Rated frequency

Hz 50/60

Rated breaking capacity

Connection

Rated breaking capacity

A 6000

Rated impulse withstand voltage (1.2/50) Uimp

V 4000

Rated impulse withstand voltage (1.2/50) Uimp Thermo-magnetic release characteristic

V 4000

Electrical life

4,000

3. Curve

NB310L (3PN)

Mechanical life

20,000

B, C curve

B, C

Mounting

On DIN rail EN 60715 (35mm) by means of fast clip device

t(s) 10000 5000 1h 2000 1000

Electrical life

4,000

Terminal connection type

Cable/Pin-type busbar

Mechanical life

20,000

Auxiliary contact

Yes Yes Yes Yes

Shunt release

Mounting

On DIN rail EN 60715 (35mm) by means of fast clip device

B

500 200 100

Under voltage release

Connection

From top and bottom

Alarm contant

50 20 10

C

5 2 1

3. Curve

3. Curve

0.5 0.2 0.1

B, C, curve

B, C, curve

0.05 0.02 0.01

t(s) 10000 5000 1h 2000 1000

10000 t(s)

0.005 0.002 0.001

2000 5000 500 1000

0.5 1

2 34 5 7 10 20 30 5070100 200 I/In

B

B

500 200 100

50 200 100

50 20

20 10

C

10 5 2 1

5

C

2

1

0.5

0.5 0.2

0.2

0.1

0.1 0.05 0.02 0.01

0.005 0.05 0.02 0.01 0.002 0.001

0.005 0.002 0.001

2 34 5 71 02 0 30 5070100 200 I/In

0.51

I/In 100 200

1

0.5

77 10

20

30 50 0

2 3 4 5

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