₨ 4,000
The CHINT NZK1-32/2 Modular Change-over Switch is designed for manual selection between two electrical power sources in low-voltage AC installations. With a rated current of 32A and rated operating voltage of 250V AC, it provides a practical solution for switching between two supply circuits.
Featuring a two-pole configuration and a three-position operating mechanism (I–O–II), this switch allows the operator to select Supply I, OFF, or Supply II.
Its compact modular construction and TH35-7.5 DIN rail mounting make it suitable for residential, commercial and industrial electrical distribution panels.
| Specification | Details |
|---|---|
| Brand | CHINT |
| Series | NZK1-32 |
| Model | NZK1-32/2 |
| Product Type | Modular Manual Change-over Switch |
| Number of Poles | 2 Pole (2P) |
| Rated Current | 32A |
| Rated Voltage | 250V AC |
| Frequency | 50/60Hz |
| Operating Positions | I–O–II |
| Operation | Manual |
| Mounting | TH35-7.5 DIN Rail |
| Standard | IEC 60669-1 |
| Application | Manual Power Source Selection |
| Technical Parameter | Specification |
|---|---|
| Model | NZK1-32/2 |
| Rated Operating Current (Ie) | 32A |
| Rated Operating Voltage (Ue) | 250V AC |
| Rated Frequency | 50/60Hz |
| Pole Configuration | 2P |
| Operating Positions | I–O–II |
| Rated Making and Breaking Performance | 1.1 Ue; 1.25 Ie; cosφ 0.3 ± 0.05; 200 operations |
| Operational Performance | Ue +5%; Ie; cosφ 0.6 ± 0.05; 10,000 operations |
| Ambient Temperature | −5°C to +40°C |
| Maximum Average Ambient Temperature | +35°C |
| Maximum Installation Altitude | 2,000m |
| Mounting Rail | TH35-7.5 |
| Applicable Standard | IEC 60669-1 |
Position I: Selects Supply I.
Position O: Disconnects both selected supply paths.
Position II: Selects Supply II.
Important: This is a manual change-over switch, not an automatic transfer switch (ATS). It does not automatically detect power failure or start a generator. Appropriate circuit protection must be provided separately.
Q1. What is CHINT NZK1-32/2?
It is a two-pole, 32A modular manual change-over switch designed for selecting between two AC power sources.
Q2. What is its rated voltage?
The rated operating voltage is 250V AC.
Q3. Is this switch automatic?
No. It is manually operated through three positions: I, O and II.
Q4. Can it be used for grid and generator selection?
Yes, it can be used for manual grid-generator source selection when the electrical ratings and installation arrangement are suitable.
Q5. Does it have an OFF position?
Yes. The middle position disconnects both selected supply paths.
Q6. What is its mounting type?
It is designed for TH35-7.5 DIN rail mounting.
Q7. Does it provide overload or short-circuit protection?
No. Appropriate protective devices must be installed separately.
Q8. What standard does it follow?
CHINT lists IEC 60669-1 for the NZK1-32 series.
VITS – Versatile Industrial Trading & Services provides electrical, industrial and power distribution products for residential, commercial and industrial applications.
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| Specification | Details |
|---|---|
| Brand | CHINT |
| Model | NZK1-32/2 |
| Product Type | Modular Manual Change-over Switch |
| Number of Poles | 2 Pole (2P) |
| Rated Current | 32A |
| Rated Voltage | 250V AC |
| Frequency | 50/60Hz |
| Operating Positions | I–O–II |
| Operation | Manual |
| Mounting | TH35-7.5 DIN Rail |
| Standard | IEC 60669-1 |
| Application | Manual Selection Between Two Power Sources |
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