CHINT NZK2-32 Change-over Switch,
is a compact and durable manual switch designe for safe and efficient power source transfer in low-voltage AC systems.
Rate at 32A, 250V AC (50/60Hz), it allows seamless switching between two power circuits, ensuring uninterrupte operation.
Built to IEC 60669-1 standards and KEMA certified, the NZK2-32 offers 1P and 2P configurations, a 10,000-operation lifespan,
and DIN rail mounting (TH35-7.5) for easy installation in residential and commercial distribution panels.
- Certification: KEMA-approved
- Standard Compliance: IEC 60669-1
- Function: Manual change-over between two power sources
- Rated Current (Ie): 32A
- Rated Voltage (Ue): 250V AC, 50/60Hz
- Poles Available: 1P, 2P
- Rated Making and Breaking Capacity: 1.1Ue, 1.25Ie, cosφ = 0.3 ± 0.05 (200 operations)
- Operational Performance: Ue ±5%, Ie, cosφ = 0.6 ± 0.05 (10,000 operations)
- Altitude Limit: ≤2000m
- Ambient Temperature: −5°C to +40°C (average ≤35°C)
- Relative Humidity: ≤50% at +40°C; ≤90% at +20°C (with condensation precautions)
- Mounting Type: TH35-7.5 steel DIN rail
- Installation Inclination: ≤ ±5° from vertical
- Protection Requirement: Must be shielded from rain during use and storage
- Dimensions (mm):
- 1P: H = 85.3, W = 18, D = 49.5
- 2P: H = 85.3, W = 36, D = 65.5
- Circuit Operation:
- Position I: Contact 1–2 closed, 1–4 open
- Position II: Contact 1–2 open, 1–4 close
