Contactor,circuit breaker,solar inverter,electric meter,solar batteries
Schneider EZD160A is a 160A frame moulded case circuit breaker (MCCB) from the EZD series, designed for secondary power distribution, civil construction, and electromechanical markets. It features high cost-performance, easy installation, and reliable safety performance, used for power distribution and protecting circuits and equipment against overload and short-circuit faults.
1 Complete Model Definition
Standard model format: EZD160[Breaking Capacity][Poles][Rated Current][Accessory]
| Part | Meaning | Available Values |
| EZD160 | Frame size 160A | EZD100/160/250/400/630 |
| Breaking capacity | E=25kA, M=36kA, S=50kA | E/M/S |
| Poles | 3P/4P | 3月4日 |
| Rated current | 63A~160A | 63/80/100/125/160 |
| Accessory | N=Standard, L=Earth leakage protection, EL=Electronic earth leakage | N/L/EL |
Example: EZD160E3160N = 160A frame, 25kA breaking capacity, 3 poles, 160A rated current, standard type
2 Key Technical Parameters
| Parameter | Specification | Remarks |
| Rated voltage | 400V/690V | Three‑phase AC |
| Rated current (In) | 160A | Thermal‑magnetic trip unit (TMD) |
| Breaking capacity (Icu) | 25kA(E)/36kA(M)/50kA(S) | @415V |
| Trip type | LI (Long‑time + Instantaneous) | Standard configuration for distribution protection |
| Poles | 3P/4P | 3P for three‑phase circuits, 4P includes neutral protection |
| Mounting type | Fixed / Plug‑in | Supports horizontal, vertical, and side mounting |
| Connection type | Front / Rear / Plug‑in | Flexible for various switchgear designs |
| Operation type | Manual / Motor‑operated (optional) | Motor mechanism enables remote control |
| Ingress protection | IP30 | Complies with IEC 60947‑2 |
3 Product Features & Advantages
- High cost-performance: Ideal choice for secondary power distribution, reliable performance, affordable price
- Easy installation: Compact size, saves 30% installation space, supports multiple mounting orientations
- Comprehensive protection: Thermal-magnetic trip unit provides dual overload and short-circuit protection
- Rich accessories: Compatible with earth leakage modules (Vigi), motor operators, etc.
- Safe and reliable: Complies with IEC/GB standards and passes strict quality certification
4 Applications
- Commercial buildings: Secondary power distribution in offices, shopping malls, hotels
- Industrial facilities: Motor protection and power distribution in small factories, production lines
- Residential buildings: Main and sub-distribution boards in high-rise residential buildings
- Infrastructure: Auxiliary power distribution in hospitals, schools, data centers
- PV systems: Used as protection switch at inverter output
5 Complete Model List (160A Frame)
| Breaking Capacity | 3P Model | 4P Model | Earth Leakage Model |
| E (25kA) | EZD160E3160N | EZD160E4160N | EZD160E3160ELN (EZD160E4160ELN) |
| M (36kA) | EZD160M3160N | EZD160M4160N | EZD160M3160ELN (EZD160M4160ELN) |
| S (50kA) | EZD160S3160N | EZD160S4160N | EZD160S3160ELN (EZD160S4160ELN) |
6 Alternatives
6.1 Upgraded Alternatives within Schneider
CVS Series: Upgraded version of EZD, higher breaking capacity (up to 100kA), improved intelligence
NSX Series: Premium MCCB with optional electronic trip units, supports power monitoring and communication
6.2 Chinese Domestic Brand Alternatives
| Brand | Equivalent Model | Advantages |
| Chint | NM1‑160S/3300 | Lower cost, short delivery time |
| Delixi | CDM3‑160S/3300 | Similar performance, complete after‑sales service |
| Changshu Switch | CM3‑160S/3300 | High breaking capacity, suitable for industrial environments |
7 Selection Guidelines
- Breaking capacity selection: Choose E/M/S rating based on system short-circuit current calculation
- Pole selection: 4P for mixed single-phase + three-phase systems; 3P for pure three-phase power systems
- Accessory configuration: Earth leakage module required in humid environments or where high personal safety is required
- Mounting type: Plug-in recommended for applications requiring frequent maintenance
- Trip adjustment: Long-time setting (Ir) adjustable from 0.8 to 1×In to suit different load characteristics
Complete Model List of Schneider EZD Series MCCBs
Schneider EZD series MCCBs target secondary power distribution, civil construction, and electromechanical markets. They are available in five frame sizes: 100A/160A/250A/400A/630A, three breaking capacities: 25kA(E)/36kA(M)/50kA(S), two pole configurations: 3P/4P, and two basic types: standard and earth leakage (Vigi EZD), with rated current ranging from 15A to 630A.
1 Model Naming Rule
Standard model format: EZD[Frame Size][Breaking Capacity][Poles][Rated Current][Accessory]
| Part | Meaning | Available Values |
| EZD | Product series | EZD |
| Frame size | Maximum rated current | 100/160/250/400/630 |
| Breaking capacity | Short‑circuit breaking capacity | E=25kA, M=36kA, S=50kA |
| Poles | 3‑pole / 4‑pole | 3-4 |
| Rated current | Trip unit rated current | 15/20/25/30/40/50/63/80/100/125/160 /200/225/250/315/320/400/500/630 |
| Accessory | Standard / Earth leakage | N=Standard, ELN=Electronic earth leakage |
2 Complete Model List
2.1 EZD100 (100A Frame)
| Breaking Capacity | Poles | Rated Current | Standard Model | Earth Leakage Model |
| E (25kA) | 3P | 15A~100A | EZD100E3015N ~ EZD100E3100N | EZD100E3015ELN ~ EZD100E3100ELN |
| 4P | 15A~100A | EZD100E4015N ~ EZD100E4100N | EZD100E4015ELN ~ EZD100E4100ELN | |
| M (36kA) | 3P | 15A~100A | EZD100M3015N ~ EZD100M3100N | EZD100M3015ELN ~ EZD100M3100ELN |
| 4P | 15A~100A | EZD100M4015N ~ EZD100M4100N | EZD100M4015ELN ~ EZD100M4100ELN | |
| S (50kA) | 3P | 15A~100A | EZD100S3015N ~ EZD100S3100N | EZD100S3015ELN ~ EZD100S3100ELN |
| 4P | 15A~100A | EZD100S4015N ~ EZD100S4100N | EZD100S4015ELN ~ EZD100S4100ELN |
2.2 EZD160 (160A Frame)
| Breaking Capacity | Poles | Rated Current | Standard Model | Earth Leakage Model |
| E (25kA) | 3P | 63A~160A | EZD160E3063N ~ EZD160E3160N | EZD160E3063ELN ~ EZD160E3160ELN |
| 4P | 63A~160A | EZD160E4063N ~ EZD160E4160N | EZD160E4063ELN ~ EZD160E4160ELN | |
| M (36kA) | 3P | 63A~160A | EZD160M3063N ~ EZD160M3160N | EZD160M3063ELN ~ EZD160M3160ELN |
| 4P | 63A~160A | EZD160M4063N ~ EZD160M4160N | EZD160M4063ELN ~ EZD160M4160ELN | |
| S (50kA) | 3P | 63A~160A | EZD160S3063N ~ EZD160S3160N | EZD160S3063ELN ~ EZD160S3160ELN |
| 4P | 63A~160A | EZD160S4063N ~ EZD160S4160N | EZD160S4063ELN ~ EZD160S4160ELN |
2.3 EZD250 (250A Frame)
| Breaking Capacity | Poles | Rated Current | Standard Model | Earth Leakage Model |
| E (25kA) | 3P | 100A~250A | EZD250E3100N ~ EZD250E3250N | EZD250E3100ELN ~ EZD250E3250ELN |
| 4P | 100A~250A | EZD250E4100N ~ EZD250E4250N | EZD250E4100ELN ~ EZD250E4250ELN | |
| M (36kA) | 3P | 100A~250A | EZD250M3100N ~ EZD250M3250N | EZD250M3100ELN ~ EZD250M3250ELN |
| 4P | 100A~250A | EZD250M4100N ~ EZD250M4250N | EZD250M4100ELN ~ EZD250M4250ELN | |
| S (50kA) | 3P | 100A~250A | EZD250S3100N ~ EZD250S3250N | EZD250S3100ELN ~ EZD250S3250ELN |
| 4P | 100A~250A | EZD250S4100N ~ EZD250S4250N | EZD250S4100ELN ~ EZD250S4250ELN |
2.4 EZD400 (400A Frame)
| Breaking Capacity | Poles | Rated Current | Standard Model | Earth Leakage Model |
| E (25kA) | 3P | 200A~400A | EZD400E3200N ~ EZD400E3400N | EZD400E3200ELN ~ EZD400E3400ELN |
| 4P | 200A~400A | EZD400E4200N ~ EZD400E4400N | EZD400E4200ELN ~ EZD400E4400ELN | |
| M (36kA) | 3P | 200A~400A | EZD400M3200N ~ EZD400M3400N | EZD400M3200ELN ~ EZD400M3400ELN |
| 4P | 200A~400A | EZD400M4200N ~ EZD400M4400N | EZD400M4200ELN ~ EZD400M4400ELN | |
| S (50kA) | 3P | 200A~400A | EZD400S3200N ~ EZD400S3400N | EZD400S3200ELN ~ EZD400S3400ELN |
| 4P | 200A~400A | EZD400S4200N ~ EZD400S4400N | EZD400S4200ELN ~ EZD400S4400ELN |
2.5 EZD630 (630A Frame)
| Breaking Capacity | Poles | Rated Current | Standard Model | Earth Leakage Model |
| E (25kA) | 3P | 400A~630A | EZD630E3400N ~ EZD630E3630N | EZD630E3400ELN ~ EZD630E3630ELN |
| 4P | 400A~630A | EZD630E4400N ~ EZD630E4630N | EZD630E4400ELN ~ EZD630E4630ELN | |
| M (36kA) | 3P | 400A~630A | EZD630M3400N ~ EZD630M3630N | EZD630M3400ELN ~ EZD630M3630ELN |
| 4P | 400A~630A | EZD630M4400N ~ EZD630M4630N | EZD630M4400ELN ~ EZD630M4630ELN | |
| S (50kA) | 3P | 400A~630A | EZD630S3400N ~ EZD630S3630N | EZD630S3400ELN ~ EZD630S3630ELN |
| 4P | 400A~630A | EZD630S4400N ~ EZD630S4630N | EZD630S4400ELN ~ EZD630S4630ELN |
3 Key Notes
- Rated current ratings: Standard current steps for each frame:
EZD100: 15/20/25/30/40/50/63/80/100A
EZD160: 63/80/100/125/160A
EZD250: 100/125/160/200/225/250A
EZD400: 200/225/250/315/320/400A
EZD630: 400/500/630A
- Trip type: Standard configuration is thermal-magnetic trip (TMD) providing LI (long-time + instantaneous) protection for distribution applications.
- Earth leakage protection: Vigi EZD series features electronic earth leakage protection (ELN), with optional trip or alarm without trip modes, suitable for 3P/3d (3-pole protection) and 4P/3d (4-pole with neutral, 3-pole protection) configurations.
- Mounting: Supports fixed and plug-in installation; wiring can be front/rear/plug-in.
- Ingress protection: IP30, compliant with IEC 60947-2.
Complete Model List for the Full Schneider EZD Series
(Directly usable for selection and quotation)
Organized by frame → breaking capacity → poles → rated current → standard / earth leakage type.
1 EZD100 Frame (100A)
Rated current: 15, 20, 25, 30, 40, 50, 63, 80, 100A
1.1 Type E (25kA)
3P Standard: EZD100E3015N, EZD100E3020N, EZD100E3025N, EZD100E3030N, EZD100E3040N, EZD100E3050N, EZD100E3063N, EZD100E3080N, EZD100E3100N
3P Earth leakage: EZD100E3015ELN, EZD100E3020ELN, EZD100E3025ELN, EZD100E3030ELN, EZD100E3040ELN, EZD100E3050ELN, EZD100E3063ELN, EZD100E3080ELN, EZD100E3100ELN
4P Standard: EZD100E4015N, EZD100E4020N, EZD100E4025N, EZD100E4030N, EZD100E4040N, EZD100E4050N, EZD100E4063N, EZD100E4080N, EZD100E4100N
4P Earth leakage: EZD100E4015ELN, EZD100E4020ELN, EZD100E4025ELN, EZD100E4030ELN, EZD100E4040ELN, EZD100E4050ELN, EZD100E4063ELN, EZD100E4080ELN, EZD100E4100ELN
1.2 Type M (36kA)
3P Standard: EZD100M3015N ~ EZD100M3100N
3P Earth leakage: EZD100M3015ELN ~ EZD100M3100ELN
4P Standard: EZD100M4015N ~ EZD100M4100N
4P Earth leakage: EZD100M4015ELN ~ EZD100M4100ELN
1.3 Type S (50kA)
3P Standard: EZD100S3015N ~ EZD100S3100N
3P Earth leakage: EZD100S3015ELN ~ EZD100S3100ELN
4P Standard: EZD100S4015N ~ EZD100S4100N
4P Earth leakage: EZD100S4015ELN ~ EZD100S4100ELN
2 EZD160 Frame (160A)
Rated current: 63, 80, 100, 125, 160A
2.1 Type E (25kA)
3P Standard: EZD160E3063N, EZD160E3080N, EZD160E3100N, EZD160E3125N, EZD160E3160N
3P Earth leakage: EZD160E3063ELN, EZD160E3080ELN, EZD160E3100ELN, EZD160E3125ELN, EZD160E3160ELN
4P Standard: EZD160E4063N, EZD160E4080N, EZD160E4100N, EZD160E4125N, EZD160E4160N
4P Earth leakage: EZD160E4063ELN, EZD160E4080ELN, EZD160E4100ELN, EZD160E4125ELN, EZD160E4160ELN
2.2 Type M (36kA)
3P Standard: EZD160M3063N ~ EZD160M3160N
3P Earth leakage: EZD160M3063ELN ~ EZD160M3160ELN
4P Standard: EZD160M4063N ~ EZD160M4160N
4P Earth leakage: EZD160M4063ELN ~ EZD160M4160ELN
2.3 Type S (50kA)
3P Standard: EZD160S3063N ~ EZD160S3160N
3P Earth leakage: EZD160S3063ELN ~ EZD160S3160ELN
4P Standard: EZD160S4063N ~ EZD160S4160N
4P Earth leakage: EZD160S4063ELN ~ EZD160S4160ELN
3 EZD250 Frame (250A)
Rated current: 100, 125, 160, 200, 225, 250A
3.1 Type E (25kA)
3P Standard: EZD250E3100N, EZD250E3125N, EZD250E3160N, EZD250E3200N, EZD250E3225N, EZD250E3250N
3P Earth leakage: EZD250E3100ELN, EZD250E3125ELN, EZD250E3160ELN, EZD250E3200ELN, EZD250E3225ELN, EZD250E3250ELN
4P Standard: EZD250E4100N, EZD250E4125N, EZD250E4160N, EZD250E4200N, EZD250E4225N, EZD250E4250N
4P Earth leakage: EZD250E4100ELN, EZD250E4125ELN, EZD250E4160ELN, EZD250E4200ELN, EZD250E4225ELN, EZD250E4250ELN
3.2 Type M (36kA)
3P Standard: EZD250M3100N ~ EZD250M3250N
3P Earth leakage: EZD250M3100ELN ~ EZD250M3250ELN
4P Standard: EZD250M4100N ~ EZD250M4250N
4P Earth leakage: EZD250M4100ELN ~ EZD250M4250ELN
3.3 Type S (50kA)
3P Standard: EZD250S3100N ~ EZD250S3250N
3P Earth leakage: EZD250S3100ELN ~ EZD250S3250ELN
4P Standard: EZD250S4100N ~ EZD250S4250N
4P Earth leakage: EZD250S4100ELN ~ EZD250S4250ELN
4 EZD400 Frame (400A)
Rated current: 200, 225, 250, 315, 400A
4.1 Type E (25kA)
3P Standard: EZD400E3200N, EZD400E3225N, EZD400E3250N, EZD400E3315N, EZD400E3400N
3P Earth leakage: EZD400E3200ELN, EZD400E3225ELN, EZD400E3250ELN, EZD400E3315ELN, EZD400E3400ELN
4P Standard: EZD400E4200N, EZD400E4225N, EZD400E4250N, EZD400E4315N, EZD400E4400N
4P Earth leakage: EZD400E4200ELN, EZD400E4225ELN, EZD400E4250ELN, EZD400E4315ELN, EZD400E4400ELN
4.2 Type M (36kA)
3P Standard: EZD400M3200N ~ EZD400M3400N
3P Earth leakage: EZD400M3200ELN ~ EZD400M3400ELN
4P Standard: EZD400M4200N ~ EZD400M4400N
4P Earth leakage: EZD400M4200ELN ~ EZD400M4400ELN
4.3 Type S (50kA)
3P Standard: EZD400S3200N ~ EZD400S3400N
3P Earth leakage: EZD400S3200ELN ~ EZD400S3400ELN
4P Standard: EZD400S4200N ~ EZD400S4400N
4P Earth leakage: EZD400S4200ELN ~ EZD400S4400ELN
5 EZD630 Frame (630A)
Rated current: 400, 500, 630A
5.1 Type E (25kA)
3P Standard: EZD630E3400N, EZD630E3500N, EZD630E3630N
3P Earth leakage: EZD630E3400ELN, EZD630E3500ELN, EZD630E3630ELN
4P Standard: EZD630E4400N, EZD630E4500N, EZD630E4630N
4P Earth leakage: EZD630E4400ELN, EZD630E4500ELN, EZD630E4630ELN
5.2 Type M (36kA)
3P Standard: EZD630M3400N, EZD630M3500N, EZD630M3630N
3P Earth leakage: EZD630M3400ELN, EZD630M3500ELN, EZD630M3630ELN
4P Standard: EZD630M4400N, EZD630M4500N, EZD630M4630N
4P Earth leakage: EZD630M4400ELN, EZD630M4500ELN, EZD630M4630ELN
5.3 Type S (50kA)
3P Standard: EZD630S3400N, EZD630S3500N, EZD630S3630N
3P Earth leakage: EZD630S3400ELN, EZD630S3500ELN, EZD630S3630ELN
4P Standard: EZD630S4400N, EZD630S4500N, EZD630S4630N
4P Earth leakage: EZD630S4400ELN, EZD630S4500ELN, EZD630S4630ELN
General Notes
N: Standard thermal-magnetic trip (LI for distribution protection)
ELN: With Vigi electronic earth leakage protection
Breaking: E=25kA, M=36kA, S=50kA
Poles: 3=3P, 4=4P
