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Installation  in  any  damp,  condensed-phase  environment  with 
inflammable and explosive gas is forbidden. It is strictly prohibited 
to operate the product with wet hands.

You  are  prohibited  from  touching  the  conductive  part  when  the 
product is operating.

It  is  strictly  prohibited  to  test  the  performance  of  the  product  by 
the direct contact of the hot wire against the grounding device or 
the direct short circuit of the hot wire and the neutral wire. 

When  the  product  is  being  installed  or  maintained,  the  power 
must be switched off.

The protection features of the product are set by the manufacturer. 
It is not allowed to open or adjust the circuit breaker at will.

The  product  must  be  wired  and  installed  by  qualified  personnel 
and be checked regularly.

It is prohibited to let children play with the product or the package.

Prevent foreign objects from falling into the product.

Do  not  install  the  product  at  places  where  gas  media  can  cause 
metal corrosion and insulation damage.

Tighten  the  wiring  screws  when  installing  the  product  to  prevent 
wires from loose or being pulled out. Select wires strictly according 
to  instructions  and  connect  them  to  proper  power  supply  and 
load.

This  product  does  not  provide  protection  for  electric  shock  and 
electricity unbalance.

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Safety Warning

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Summary of Contents for NB1-63 Series

Page 1: ...NO 2020 07 Standard IEC EN 60947 2 NB1 63 Series Moulded Case Circuit Breaker User Instruction ...

Page 2: ...res of the product are set by the manufacturer It is not allowed to open or adjust the circuit breaker at will The product must be wired and installed by qualified personnel and be checked regularly It is prohibited to let children play with the product or the package Prevent foreign objects from falling into the product Do not install the product at places where gas media can cause metal corrosio...

Page 3: ...nd rated current up to 63A They provide overload and short circuit protection and can also be used for infrequent switching of the circuit under normal circumstances Table 1 Key Technical Parameters Altitude Pollution level Installation category Rated operating voltage Ue Enclosure protection class Standard 2 000m Level 2 Class II and III AC 230V or 240V 1P AC 400V or 415V 2P 3P 4P 6000A 10000A NB...

Page 4: ...02 Installation 3 1 Outline and installation dimensions 2 On off indication Red Green I ON O OFF 78 1 20 0 86 1 40 0 49 5 0 31 45 0 31 1P 2P 3P 4P 18 0 43 0 36 0 62 0 54 1 20 0 72 1 20 0 Unit mm ...

Page 5: ...03 7 5 35 27 TH35 7 5 type mounting rail 3 Installation 4 ...

Page 6: ...04 Rated current In A Copper wire cross sectional 2 area mm 1 6 10 16 20 25 32 40 50 63 1 1 5 2 5 4 6 10 16 4 Disassembly 5 Wiring copper wires only Table 2 Copper wire cross sectional area ...

Page 7: ...05 2 0N m Wiring torque 6 Operation Instruction It is recommended to carry out the closing operation from the middle of the handle I ON I ON S 25mm2 L 14mm S 16mm 2 S 25mm2 L 15mm S 16mm2 1 2 ...

Page 8: ...cycling station for assortment dismantling and recycling according to local regulations The handle cannot close the circuit breaker Short circuit at load end Fault occurs to the operating machanism The rated current of the circuit breaker does not match the load current Eliminate the fault Replace the product Replace with product of proper specifications Temperature is too high The wire is loose o...

Page 9: ...QC PASS Test date Please see The packing ZHEJIANG CHINT ELECTRICS CO LTD NB1 63 Series Moulded Case Circuit Breaker IEC EN 60947 2 Check 12 ...

Page 10: ...ded Case Circuit Breaker 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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