NDB2Z-63

1、Applicable scope and purpose

●Short -circuit protection

●Over-load protection

●Control

●Isolation

●DC system protection

NDB2Z-63 dedicated to the low voltage power distribution system of industrial, buildings, energy communications and infrastructure.

1P 2P

2、Model and implication：

3、Main technical specification

●Electrical parameters

○Rated working voltage and relevant breaking capacity:

Pole		1P	2P	certificate
Rating current(A)		1A, 1.2 A, 1.5 A, 1.6 A, 2A, 3A, 4A, 5A, 6A, 7A, 8A, 10A, 12A,13A, 15A, 16A, 20A, 25A,30A,32A, 40A, 50A, 60A, 63A
Item		Icu
Voltage	DC125V	10kA	/	CCC CE/TUV
	DC220V/250V	10kA	/
	DC250V	/	10kA
	DC440V/500V	/	10kA

Voltage	DC125V	10kA, U1	/	UL1077
	DC220V	4.5 kA, U1	/
	DC250V	/	10kA, U1
	DC440V	/	4.5 kA, U1

1P 2P

4、Normal working environment

●Ambient temperature：-40℃～+70℃

●Air relative humidity：≤95%

●Altitude：≤2000m

●pollution degree: 3

●Service place without significant vibration and impact

●Lower capacity coefflcient table above 2000 meters above sealevel

●Side-by-side volume reduction coefflcient table

●Temperature Derating Parameter Table:

5、Tripping characteristic

6、Outline dimensions

1P

2P

7、Mounting

Modular construction，can be installed in EN60715 TH 35mm x 7.5mm standard guide rail.

8、Connect line requirements

• Standard cross-sections of round copper conductors: 1~35mm2
  • Terminal screw: M5 ,Rated torque : 2.0N.m

9、Packing storage

Quantity（1P product：12 PCS/box，2P product：6PCS/box），Packing boxes of products should be stored in the air circulation and relative humidity is not more than 80% and the temperature is not higher than +       70 ℃，Not less than – 40 ℃ in the air around without acid, alkali or other corrosive gases stored in the warehouse. In the above conditions, the storage period since the production date not more than three years.

10、Accessories list and mounting

●OF2 auxiliary contacts Installed on the left hand of the NDB2Z – 63 circuit breaker left, indication circuit breaker on-off state；

●SD2 indicator contacts Installed on the left hand of NDB2 Z – 63 circuit breaker , indication failure tripping status of breaker;

●MX+OF2 shunt trip release Installed on the left hand of NDB2 Z – 63 circuit breaker, remote control of the circuit breaker’s tripping;

11、 Notice

1、Customers who disassemble the product without approval shall undertake relevant quality problems by themselves;

2、 Do not touch the naked part of conductive components when the product is power on;

3、Don’t test characteristics of the breaker optionally, the manufacturer is irresponsible for such quality problems;

4、Keep wiring correct to prevent malfunction or damage of wiring terminals.

5、Please open the cover when installing the accessory. Please refer to OF2, SD2, MX+OF2 Instruction for details.