CHINT Low-voltage Brief Catalogue

020 NB310L Residual Current Operated Circuit Breaker with Over-current Protection (Magnetic) Low-voltage Brief Catalogue RCBO P - 1. General NB310L Residual Current Operated Circuit Breaker with Over-current Protection (Magnetic)

Low-voltage Brief Catalogue

RCBO

019

P -

NB1L-40/63

� Protection against risk of fire � Protection against risk of electric shock � Protection against overload � Protection against short circuit � Contact position indicator • Protection against risk of fire • Protection against risk of electric shock 1. General

1. General

• Protection against risk of fire • Protection against risk of electric shock

• Protection against overload • Protection against short circuit • Contact position indicator

2. Technical features

• Protection against overload • Protection against short circuit • Contact position indicator

NB310L (2P)

IEC/EN 61009-1

Standard Type (wave form of the earth leakage sensed)

2. Technical features

A, AC

A

Thermo-magnetic release characteristic 2. Technical features Poles

3PN

2P

Standard

IEC/EN 61009-1

B, C

NB1L-40/63

NB310L (2P)

Type (wave form of the earth leakage sensed)

AC, A for NB1L-40; AC for NB1L-63

6-40 3P+N 400 A, AC

A

6-32 2P

Rated current In Poles Standard

IEC/EN 61009-1

Thermo-magnetic release characteristic

B, C

Type (wave form of the earth leakage sensed)

A

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

230/240

A V A s

1, 2, 3, 4, 6, 8, 10, 13, 16, 20, 25, 32, 40

NB1L-40

0.03 2P

Rated current In

A

3PN

NB1L-63

50, 63

6,000 ≤ 0.1 2,000 2,000 B, C 2P

Thermo-magnetic release characteristic

Poles

NB1L-40/NB1L-63

1P+N, 2P, 3P, 3P+N, 4P

A 6-32

6-40

Rated voltage Ue

V

230/400~240/415

10000 3P+N

Poles

Rated sensitivity I △ n

A 0.03, 0.1, 0.3

On DIN rail EN 60715 (35mm) by means of fast clip device From top and bottom 230/240

Mounting

Rated voltage Ue

V

400

Rated residual making and breaking capacity I △ m A

500 (In≤40A) 630 (In>40A)

Connection

Rated sensitivity I △ n

A 0.03

Rated short-circuit capacity lcn

A

6,000/10,000

Rated short-circuit capacity lcn

A 6,000

3. Curve

Break time under I △ n

s

≤0.1

Break time under I △ n

s

≤0.01

NB310L (3PN)

B, C curve

Rated frequency Hz 50/60 Rated impulse withstand voltage(1.2/50) Uimp V 6,000 Dielectric test voltage at ind. Freq. for 1 min kV 2 Insulation voltage Ui 500 Protection degree 2 Electrical life 2,000 Mechanical life 20,000

Electrical life

2,000

t(s) 10000 5000 1h 2000 1000

Mechanical life

2,000

10000

Mounting

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

B

500 200 100

Connection

From top and bottom

NB310L (3PN)

50 20 10

C

3. Curve

5 2 1

B, C, curve

0.5 0.2 0.1

t(s) 10000 5000 1h 2000 1000

0.05 0.02 0.01

0.005 0.002 0.001

B

500 200 100

0.5 1

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

50 20

10 5 2 1

C

0.5 0.2

0.1 0.05 0.02 0.01

0.005 0.002 0.001

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

0.51

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