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Schneider EZD160A is a 160A frame moulded case circuit breaker (MCCB) from the EZD series, designed for secondary power distribution, construction civile, and electromechanical markets. It features high cost-performance, installation facile, 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[Capacité de coupure][Poteaux][Courant nominal][Accessoire]
| Partie | Signification | Available Values |
| EZD160 | Frame size 160A | EZD100/160/250/400/630 |
| Pouvoir de coupure | E=25kA, M=36kA, S=50kA | E/M/S |
| Poteaux | 3P/4P | 3月4日 |
| Courant nominal | 63A~160A | 63/80/100/125/160 |
| Accessoire | N=Standard, L=Earth leakage protection, EL=Electronic earth leakage | N/L/EL |
Exemple: EZD160E3160N = 160A frame, 25kA pouvoir de coupure, 3 poteaux, 160Un courant nominal, modèle standard
2 Paramètres techniques clés
| Paramètre | Spécification | Remarques |
| Tension nominale | 400V/690V | Three‑phase AC |
| Courant nominal (Dans) | 160UN | Thermal‑magnetic trip unit (TMD) |
| Pouvoir de coupure (ICU) | 25le(E)/36le(M.)/50le(S) | @415V |
| Type de voyage | LI (Long‑time + Instantané) | Standard configuration for distribution protection |
| Poteaux | 3P/4P | 3P for three‑phase circuits, 4P includes neutral protection |
| Mounting type | Fixé / Plug‑in | Supports horizontal, vertical, and side mounting |
| Connection type | Front / Rear / Plug‑in | Flexible for various switchgear designs |
| Operation type | Manuel / Motor‑operated (facultatif) | Motor mechanism enables remote control |
| Protection contre la pénétration | IP30 | Complies with IEC 60947‑2 |
3 Caractéristiques du produit & Avantages
- High cost-performance: Ideal choice for secondary power distribution, performances fiables, affordable price
- Installation facile: Taille compacte, 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, centres commerciaux, hôtels
- 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 (160Un cadre)
| Capacité de coupure | 3P Model | 4P Model | Earth Leakage Model |
| E (25le) | EZD160E3160N | EZD160E4160N | EZD160E3160ELN (EZD160E4160ELN) |
| M. (36le) | EZD160M3160N | EZD160M4160N | EZD160M3160ELN (EZD160M4160ELN) |
| S (50le) | EZD160S3160N | EZD160S4160N | EZD160S3160ELN (EZD160S4160ELN) |
6 Alternatives
6.1 Upgraded Alternatives within Schneider
CVS Series: Upgraded version of EZD, pouvoir de coupure plus élevé (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
| Marque | Equivalent Model | Avantages |
| Chint | NM1‑160S/3300 | Lower cost, short delivery time |
| Délicieux | CDM3‑160S/3300 | Similar performance, complete after‑sales service |
| Commutateur Changshu | CM3‑160S/3300 | Pouvoir de coupure élevé, 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, construction civile, and electromechanical markets. They are available in five frame sizes: 100A/160A/250A/400A/630A, three breaking capacities: 25le(E)/36le(M.)/50le(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[Taille du cadre][Capacité de coupure][Poteaux][Courant nominal][Accessoire]
| Partie | Signification | Available Values |
| EZD | Série de produits | EZD |
| Frame size | Maximum rated current | 100/160/250/400/630 |
| Pouvoir de coupure | Short‑circuit breaking capacity | E=25kA, M=36kA, S=50kA |
| Poteaux | 3‑pole / 4‑pole | 3-4 |
| Courant nominal | Trip unit rated current | 15/20/25/30/40/50/63/80/100/125/160 /200/225/250/315/320/400/500/630 |
| Accessoire | Standard / Earth leakage | N=Standard, ELN=Electronic earth leakage |
2 Complete Model List
2.1 EZD100 (100Un cadre)
| Capacité de coupure | Poteaux | Courant nominal | Standard Model | Earth Leakage Model |
| E (25le) | 3P. | 15A~100A | EZD100E3015N ~ EZD100E3100N | EZD100E3015ELN ~ EZD100E3100ELN |
| 4P. | 15A~100A | EZD100E4015N ~ EZD100E4100N | EZD100E4015ELN ~ EZD100E4100ELN | |
| M. (36le) | 3P. | 15A~100A | EZD100M3015N ~ EZD100M3100N | EZD100M3015ELN ~ EZD100M3100ELN |
| 4P. | 15A~100A | EZD100M4015N ~ EZD100M4100N | EZD100M4015ELN ~ EZD100M4100ELN | |
| S (50le) | 3P. | 15A~100A | EZD100S3015N ~ EZD100S3100N | EZD100S3015ELN ~ EZD100S3100ELN |
| 4P. | 15A~100A | EZD100S4015N ~ EZD100S4100N | EZD100S4015ELN ~ EZD100S4100ELN |
2.2 EZD160 (160Un cadre)
| Capacité de coupure | Poteaux | Courant nominal | Standard Model | Earth Leakage Model |
| E (25le) | 3P. | 63A~160A | EZD160E3063N ~ EZD160E3160N | EZD160E3063ELN ~ EZD160E3160ELN |
| 4P. | 63A~160A | EZD160E4063N ~ EZD160E4160N | EZD160E4063ELN ~ EZD160E4160ELN | |
| M. (36le) | 3P. | 63A~160A | EZD160M3063N ~ EZD160M3160N | EZD160M3063ELN ~ EZD160M3160ELN |
| 4P. | 63A~160A | EZD160M4063N ~ EZD160M4160N | EZD160M4063ELN ~ EZD160M4160ELN | |
| S (50le) | 3P. | 63A~160A | EZD160S3063N ~ EZD160S3160N | EZD160S3063ELN ~ EZD160S3160ELN |
| 4P. | 63A~160A | EZD160S4063N ~ EZD160S4160N | EZD160S4063ELN ~ EZD160S4160ELN |
2.3 EZD250 (250Un cadre)
| Capacité de coupure | Poteaux | Courant nominal | Standard Model | Earth Leakage Model |
| E (25le) | 3P. | 100A~250A | EZD250E3100N ~ EZD250E3250N | EZD250E3100ELN ~ EZD250E3250ELN |
| 4P. | 100A~250A | EZD250E4100N ~ EZD250E4250N | EZD250E4100ELN ~ EZD250E4250ELN | |
| M. (36le) | 3P. | 100A~250A | EZD250M3100N ~ EZD250M3250N | EZD250M3100ELN ~ EZD250M3250ELN |
| 4P. | 100A~250A | EZD250M4100N ~ EZD250M4250N | EZD250M4100ELN ~ EZD250M4250ELN | |
| S (50le) | 3P. | 100A~250A | EZD250S3100N ~ EZD250S3250N | EZD250S3100ELN ~ EZD250S3250ELN |
| 4P. | 100A~250A | EZD250S4100N ~ EZD250S4250N | EZD250S4100ELN ~ EZD250S4250ELN |
2.4 EZD400 (400Un cadre)
| Capacité de coupure | Poteaux | Courant nominal | Standard Model | Earth Leakage Model |
| E (25le) | 3P. | 200A~400A | EZD400E3200N ~ EZD400E3400N | EZD400E3200ELN ~ EZD400E3400ELN |
| 4P. | 200A~400A | EZD400E4200N ~ EZD400E4400N | EZD400E4200ELN ~ EZD400E4400ELN | |
| M. (36le) | 3P. | 200A~400A | EZD400M3200N ~ EZD400M3400N | EZD400M3200ELN ~ EZD400M3400ELN |
| 4P. | 200A~400A | EZD400M4200N ~ EZD400M4400N | EZD400M4200ELN ~ EZD400M4400ELN | |
| S (50le) | 3P. | 200A~400A | EZD400S3200N ~ EZD400S3400N | EZD400S3200ELN ~ EZD400S3400ELN |
| 4P. | 200A~400A | EZD400S4200N ~ EZD400S4400N | EZD400S4200ELN ~ EZD400S4400ELN |
2.5 EZD630 (630Un cadre)
| Capacité de coupure | Poteaux | Courant nominal | Standard Model | Earth Leakage Model |
| E (25le) | 3P. | 400A~630A | EZD630E3400N ~ EZD630E3630N | EZD630E3400ELN ~ EZD630E3630ELN |
| 4P. | 400A~630A | EZD630E4400N ~ EZD630E4630N | EZD630E4400ELN ~ EZD630E4630ELN | |
| M. (36le) | 3P. | 400A~630A | EZD630M3400N ~ EZD630M3630N | EZD630M3400ELN ~ EZD630M3630ELN |
| 4P. | 400A~630A | EZD630M4400N ~ EZD630M4630N | EZD630M4400ELN ~ EZD630M4630ELN | |
| S (50le) | 3P. | 400A~630A | EZD630S3400N ~ EZD630S3630N | EZD630S3400ELN ~ EZD630S3630ELN |
| 4P. | 400A~630A | EZD630S4400N ~ EZD630S4630N | EZD630S4400ELN ~ EZD630S4630ELN |
3 Notes clés
- Rated current ratings: Standard current steps for each frame:
EZD100: 15/20/25/30/40/50/63/80/100UN
EZD160: 63/80/100/125/160UN
EZD250: 100/125/160/200/225/250UN
EZD400: 200/225/250/315/320/400UN
EZD630: 400/500/630UN
- Type de voyage: 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.
- Montage: Supports fixed and plug-in installation; wiring can be front/rear/plug-in.
- Protection contre la pénétration: IP30, conforme à la CEI 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 (100UN)
Courant nominal: 15, 20, 25, 30, 40, 50, 63, 80, 100UN
1.1 Type E (25le)
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 (36le)
3P Standard: EZD100M3015N ~ EZD100M3100N
3P Earth leakage: EZD100M3015ELN ~ EZD100M3100ELN
4P Standard: EZD100M4015N ~ EZD100M4100N
4P Earth leakage: EZD100M4015ELN ~ EZD100M4100ELN
1.3 Tapez S (50le)
3P Standard: EZD100S3015N ~ EZD100S3100N
3P Earth leakage: EZD100S3015ELN ~ EZD100S3100ELN
4P Standard: EZD100S4015N ~ EZD100S4100N
4P Earth leakage: EZD100S4015ELN ~ EZD100S4100ELN
2 EZD160 Frame (160UN)
Courant nominal: 63, 80, 100, 125, 160UN
2.1 Type E (25le)
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 (36le)
3P Standard: EZD160M3063N ~ EZD160M3160N
3P Earth leakage: EZD160M3063ELN ~ EZD160M3160ELN
4P Standard: EZD160M4063N ~ EZD160M4160N
4P Earth leakage: EZD160M4063ELN ~ EZD160M4160ELN
2.3 Tapez S (50le)
3P Standard: EZD160S3063N ~ EZD160S3160N
3P Earth leakage: EZD160S3063ELN ~ EZD160S3160ELN
4P Standard: EZD160S4063N ~ EZD160S4160N
4P Earth leakage: EZD160S4063ELN ~ EZD160S4160ELN
3 EZD250 Frame (250UN)
Courant nominal: 100, 125, 160, 200, 225, 250UN
3.1 Type E (25le)
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 (36le)
3P Standard: EZD250M3100N ~ EZD250M3250N
3P Earth leakage: EZD250M3100ELN ~ EZD250M3250ELN
4P Standard: EZD250M4100N ~ EZD250M4250N
4P Earth leakage: EZD250M4100ELN ~ EZD250M4250ELN
3.3 Tapez S (50le)
3P Standard: EZD250S3100N ~ EZD250S3250N
3P Earth leakage: EZD250S3100ELN ~ EZD250S3250ELN
4P Standard: EZD250S4100N ~ EZD250S4250N
4P Earth leakage: EZD250S4100ELN ~ EZD250S4250ELN
4 EZD400 Frame (400UN)
Courant nominal: 200, 225, 250, 315, 400UN
4.1 Type E (25le)
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 (36le)
3P Standard: EZD400M3200N ~ EZD400M3400N
3P Earth leakage: EZD400M3200ELN ~ EZD400M3400ELN
4P Standard: EZD400M4200N ~ EZD400M4400N
4P Earth leakage: EZD400M4200ELN ~ EZD400M4400ELN
4.3 Tapez S (50le)
3P Standard: EZD400S3200N ~ EZD400S3400N
3P Earth leakage: EZD400S3200ELN ~ EZD400S3400ELN
4P Standard: EZD400S4200N ~ EZD400S4400N
4P Earth leakage: EZD400S4200ELN ~ EZD400S4400ELN
5 EZD630 Frame (630UN)
Courant nominal: 400, 500, 630UN
5.1 Type E (25le)
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 (36le)
3P Standard: EZD630M3400N, EZD630M3500N, EZD630M3630N
3P Earth leakage: EZD630M3400ELN, EZD630M3500ELN, EZD630M3630ELN
4P Standard: EZD630M4400N, EZD630M4500N, EZD630M4630N
4P Earth leakage: EZD630M4400ELN, EZD630M4500ELN, EZD630M4630ELN
5.3 Tapez S (50le)
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
Poteaux: 3=3P, 4=4P
