Universal Circuit Breaker ZMW1 Air Circuit Breaker (ACB)

Key features:

  1. Dual overload and short circuit protection,
  2. One-year warranty and five-year worry-free use,
  3. With CCC and CE certifications.

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  • The ZMW1 universal circuit breaker is a new – type circuit breaker developed by our company’s R & D technology. The product features small size, high breaking capacity, multiple functions, etc.
  • The ZMW1 is suitable for general power distribution systems, new energy power generation and distribution systems, multi – power – source power distribution networks, inverters, and scenarios for grid – connection operation and protection of rotating motor – type power sources in distributed power sources.
  • The ZMW1 complies with the GB14048.2 – Category B of the circuit breaker standards.
  • AC – 3 category of use:
    • The rated working voltage of the circuit breaker is 50Hz, AC400V/690V;
    • The rated current of the circuit breaker is 200A ~ 1600A; The circuit breaker has three – pole and four – pole types;
    • It has draw – out type and fixed type;
    • It can be connected by reverse incoming line;
    • It has an isolation function, with the symbol “__/| – × – ”.
  • The circuit breaker complies with the following standards:
    • IEC60947 – 1 and GB14048.1 – 2012 General Rules for Low – voltage Switchgear and Controlgear;
    • IEC60947 – 2 and GB14048.2 – 2008 Circuit – breakers for Low – voltage Switchgear and Controlgear;
    • IEC60947 – 4 – 1 and GB14048.4 Electromechanical Contactors and Motor Starters (including motor protectors) for Low – voltage Switchgear and Controlgear;
    • Main technical indicators

TypeZMW1-1600
Frame Size Rated Current lnm (A)1600
Rated Current ln(A)200,250,320,400,500,630,800,1000,1250,1600
Rated working voltage (V)AC50Hz/60Hz 400,600
Rated Insulation Voltage (V)1000
Rated impulse withstand voltage (kV)12
Power frequency withstand voltage (V)min2500
Pole Number (P)3,4
N-pole rated current (A)100%ln
Usage categoryGB14048.2B
GB14048.4(ln≤ 1000A)AC-3
Rated ultimate short-circuit breaking capacityAC400V55
AC690V42
Rated service short-circuit breaking capacityAC400V50
AC690V35
Rated short-circuit making capacityAC400V143
AC690V105
Rated short-time withstand voltageAC400V50
AC690V35
Total breaking time (without additional delay) (ms)25
Closing timeMaximum 70
Electrical life (times)AC400Vln=200A~1000A1500
ln=1250A~1600A1200
AC690Vln=200A~1000A1000
ln=1250A~1600A700
Mechanical life (times)Maintenance-free3000
Maintenance-free10000
Overall dimensions (width×depth×height) (mm)Fixed type3P260×310×240Drawer type3P275×345×330
4P330×310×2404P345×345×330
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Item NumberStandard inverse timeFast inverse timeExtra-fast inverse time (for general purposes)Extra-fast inverse time (for motor protection)High-Voltage Fuse CompatibleI²T
10.36(0.005)1.00(1)3.32(10)2.94(10)0.66(10)8.43(15)
20.58(0.008)1.60(1.6)5.32(16)4.72(16)1.06(16)16.87(30)
30.86(0.012)2.40(2.4)8.00(24)7.06(24)1.60(24)33.75(60)
41.42(0.02)4.00(4)13.32(40)11.78(40)2.66(40)67.50(120)
52.14(0.。03)6.00(6)20.00(60)17.68(60)4.00(60)135(240)
62.86(0.04)8.00(8)26.66(80)23.58(80)5.32(80)202.5(360)
73.58(0.05)10.00(10)33.30(100)29.46(100)6.66(100)270(480)
85.36(0.075)13.50(13.5)45.00(135)39.78(135)9.00(135)——
96.44(0.09)18.00(18)60.00(180)53.04(180)12.00(180)——
1010.02(0.14)28.00(28)93.32(280)82.52(280)18.66(280)——
1114.32(0.2)40.00(40)133(400)117(400)26.66(400)——
1221.48(0.3)60.00(60)200(600)176(600)40.00(600)——
1328.64(0.4)80.00(80)266(800)235(800)53.32(800)——
1435.80(0.5)100(100)333(1000)294(1000)66.66(1000)——
1542.98(0.6)120(120)400(1200)353(1200)80.00(1200)——
1650.14(0.7)140(140)433(1300)383(1300)86.66(1300)——
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    • Operation conditions
ItemDescription
Ambient temperature-5℃~+40℃;the average value within 24h shall not exceed +35℃; L type and M type controller can be used under -40℃~+70℃
Altitude≤ 2000m
Pollution grade3
Safety categoryMain circuit and undervoltage tripping coil is IV, other auxiliary and control circuit is III
Installtion positionVertical installed, inclination between the mounting plane and the vertical plane should not exceed ±5°
WordPress Table
    • Installation Dimensions of ZMW1 – 1600 Intelligent Universal Circuit Breaker (Drawout Type)
    • Installation Dimensions of ZMW1 – 1600 Intelligent Universal Circuit Breaker (Fixed Type)
Rated current ln(A)16002000320040006300
Rated ultimate short circuit breaking capacity lcs(kA)400/415V6580100120135
660/690V50658585100
Rated service short circuit breaking capacity lcs(kA)400/415V556580100135
660/690V42657085100
Rated short time withstand current lcw.1s(kA)400/415V506580100135
660/690V42657085100
Rated short circuit making and breaking capacity lcm(kA)400/415V110175220264297
660/690V77143154187220
Electric life80008000800060001500
Mechanical life (Maintenance)300003000020000200005000
Mechanical life (Non-maintenance)200001500012500100002500
Dimension(mm)W×H×L
Drawout type3P285*345*351375*451*432435*486*439453*486*439930*486*439
4P352*345*351470*451*432550*486*439550*486*439930*486*439
Fixed type3P254*251*320362*362*395426*378*395426*378*395930*486*439
4P342*251*320457*362*395537*378*395537*378*395930*486*439
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We sincerely welcome your inquiries!