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NXZM

NXZ(H)M Automatic Transfer Switch

05

Unit: mm

Rated current

Cross-sectional

area of copper

wire or copper bar

10 

16 

25 

32 

40 

50 

63 

80 

100 

125 

160 

180

The number of copper

wire or copper bar

Cross-sectional

area of copper

wire or copper bar

The number of copper

wire or copper bar

Rated current

200 

225 

250 

315 

350 

400 

500 

630 

700 

800

1.5 

2.5 

4.0 

6.0 

10 

10 

16 

25 

35 

50 

70 

95

95 

95 

120 

185 

185 

240 

150 

185 

240 

240

1

1

2

Product wiring diagram

4P Product wiring diagram

Normal power bus-bar

Alternative power bus-bar

Load bus-bar

Normal power

Alternative power

4P

3P Product wiring diagram

3P

Normal power 
bus-bar

Alternative power 
bus-bar

Wiring terminal of 
neutral line 

Load bus-bar

Normal 
power

Alternative 
power

Tabla 4 Sectional area, width and number of copper wire

Fig 7 Product wiring diagram

Voltage signal 
sampling line

Main power 
supply

1. Main power 
supply and 
voltage signal 
sampling line 
phase 
sequence must 
be consistent.

2. During 
wiring, the 
voltage signal 
sampling line in 
order as shown. 
Wrong wiring 
may lead to 
burn down of 
the controller.

Summary of Contents for NXZHM

Page 1: ...NO 2021 04 Standard IEC EN 60947 6 1 User Instructions NXZM NXZ H M Automatic Transfer Switch ...

Page 2: ...mage After installing the product finishing the inspection of load side line and splitting the fire resistance circuit the controller must be set to Manual position and the product must be set to split position Switch the controller to Auto position after line fault is eliminated To avoid dangerous accidents the products should be installed and secured according to the instructions This product is...

Page 3: ... Transfer Switch Inspection Tools required Phillips screwdriver Word screwdriver Allen wrench Hex wrench Fig 1 Inspection Product model Total Pcs Wiring screw Flash barrier M6 X 12 M8 X 16 M8 X 16 M10 X 30 M12 X 35 3P 4P 3P 4P 2X6 2X8 2X4 2X6 NXZM 63 125 H NXZ M 63 125 NXZM 160 H NXZ M 160 NXZM 250 H NXZ M 250 NXZM 400 630 H NXZ M 400 630 NXZM 800 H NXZ M 800 wiring terminal of external signal con...

Page 4: ...ion Alternative On position Off position Reset the handle Turn the toggle switch to the Automatic position Automatic mode Manual mode Setting mode Failure alarm absent for PC class Automatic transfer Operating transfer delay time Automatic transfer Return transfer delay time Generator activation Stop mode Fig 2 Manual test Fig 3 Power on test ...

Page 5: ...XZHM 800 A B B1 B2 C D G L S H S H S H M N H H1 H2 300 340 390 535 660 240 250 250 334 344 230 245 367 464 477 223 240 240 342 344 267 307 357 475 600 220 230 230 304 314 25 30 35 44 58 178 194 225 304 385 178 167 181 161 180 190 151 152 155 190 195 216 9 9 9 11 66 11 68 17 17 17 26 26 56 47 50 50 49 198 203 234 238 Fig 4 Outline and Installation Dimensions Tabla 2 Outline and Installation Dimensi...

Page 6: ...Wire connection dimension Unit mm Product model NXZM NXZHM 63 NXZM NXZHM 125 NXZM NXZHM 160 NXZM NXZHM 250 NXZM NXZHM 400 NXZM NXZHM 630 NXZM NXZHM 800 a b c Torque 8 0 7 5 10 10 5 15 17 5 16 23 5 30 5 43 6 5 8 5 8 5 11 5 14 4 N m 10 N m 12 N m 30 N m 40 N m Fig 5 Dimensions of split module of controller and cabinet door Fig 6 Wire connection dimension Tabla 3 Wire connection dimension ...

Page 7: ...uct wiring diagram 4P Product wiring diagram Normal power bus bar Alternative power bus bar Load bus bar Normal power Alternative power 4P 3P Product wiring diagram 3P Normal power bus bar Alternative power bus bar Wiring terminal of neutral line Load bus bar Normal power Alternative power Tabla 4 Sectional area width and number of copper wire Fig 7 Product wiring diagram Voltage signal sampling l...

Page 8: ...actor Terminals 503 and 504 are connected after the off of fire control After the fire control signal bering removed for the ATSE switch to Manual and then press Confirm Return in automatic mode or press Comfirm Return directly in manual mode Note 1 Dotted line is the internal structure of the controller 2 Type A controller doesn t have functions of generator control 601 602 603 and feedback outpu...

Page 9: ...mbols under the setting condition Indication of the on or off of breaker on the normal power side the light will flash if a failure of the normal power occurs Indication of setting condition Indication of on or off of breaker on the alternative power side the light will flash if a failure of the alternative power occurs Instructions of controller operation interface 22 21 20 2 1 1 2 3 4 5 6 7 4 9 ...

Page 10: ...setting programs Button for compulsorily switch to the alternative power Under manual control mode if the alternative power supply is normal press this button it can compulsorily switch to alternative power If it is setting condition this button is the scroll down button of setting programs Off button Under manual control mode if either line of both power lines is normal and press this button it w...

Page 11: ...e figital is 002 it refers to grid power generator mode For setting of modbus communication address in the range of 1 247 press to increase and to decrease For setting of modbus communication baud rate 0 9 6kbps 1 19 2kbps Remote locking on off default off 09 NXZM NXZ H M Automatic Transfer Switch Parameter setting for controller Note The parameter settings for display module and communication def...

Page 12: ...ower up of normal power supply Power up of normal power supply Power up of normal power supply T4 Connection of normal power supply Connection of normal power supply Connection of normal power supply Generator shutdown Flow Chart of Automatic Charge and Automatic Recovery Grid Grid of Controller Flow Chart of Automatic Charge and No Automatic Recovery Grid Grid of Controller Flow Chart of Automati...

Page 13: ...r the signals are removed switch the product to manual mode and press Confirm Return button It is only after this sequence that the controller will retreat from fire protection linkage mode to normal operation When a fault occurs to the normal or alternative power supply the product fails to switch to the faulty power supply automatically or manually After the controller detects a failure of the n...

Page 14: ... Protection In order to protect the environment the product or product parts should be disposed of according to the industrial waste treatment process or be sent to the recycling station for assortment dismantling and recycling according to local regulations ...

Page 15: ...QC PASS Test date Please see the packing ZHEJIANG CHINT ELECTRICS CO LTD NXZM NXZ H M Automatic Transfer Switch IEC EN 60947 6 1 PD1 Check 15 13 NXZM NXZ H M Automatic Transfer Switch ...

Page 16: ...omatic Transfer Switch 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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