DPDT Knife Disconnect Switch 2 Pole Double Throw 32A 63A 100A
DPDT Knife Disconnect Switch 2 Pole Double Throw 32A 63A 100A
DPDT Knife Disconnect Switch – 2 Pole Double Throw | 32A, 63A & 100A
Take full control of your electrical circuits with this heavy-duty 2-Pole Double Throw (DPDT) Knife Disconnect Switch. Engineered for reliable manual circuit isolation, this switch delivers a secure, positive break in power supply lines — making it an essential safety component for industrial panels, workshops, generator changeover setups, and DIY electrical projects. Available in 32A, 63A, and 100A current ratings to suit a wide range of applications.
Key Features
- Type: DPDT (Double Pole Double Throw) Knife Disconnect Switch
- Rated Voltage: AC 220V
- Rated Current Options: 32A / 63A / 100A — choose the rating that matches your load requirements
- 2-Pole Design: Simultaneously disconnects both live conductors for enhanced circuit isolation
- Double Throw: Allows switching between two separate circuits or power sources
- Durable Plastic Housing: Robust construction built to withstand everyday electrical environments
- Compact & Easy to Mount: Panel-mount ready for straightforward installation
- Brand New: 100% new, high-quality components straight from the factory
- Color: Black
Specifications
| Item Type | DPDT Knife Disconnect Switch |
| Rated Voltage | AC 220V |
| Rated Current | 32A / 63A / 100A |
| Material | Plastic |
| Color | Black |
| Package Contents | 1 × DPDT Knife Disconnect Switch |
| Country of Origin | Made in China |
Who Is This For?
This DPDT disconnect switch is ideal for electricians, engineers, and DIY enthusiasts who need a dependable manual isolation switch for power distribution boards, transfer switching between mains and generator power, motor control circuits, or general panel wiring. The three available current ratings make it versatile enough for light residential applications all the way up to demanding commercial installations.
Important Notes
- Due to manual measurement, there may be a ±5mm dimensional variance.
- Slight colour differences may exist between product images and the actual item due to lighting conditions during photography.
- Always follow local electrical codes and consult a qualified electrician for installation.
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Frequently Asked Questions
Q: What is a DPDT knife disconnect switch used for?
A: A DPDT (Double Pole Double Throw) knife disconnect switch is used to manually isolate or transfer electrical circuits. It can disconnect both poles of a circuit simultaneously or switch a load between two different power sources — commonly used in generator changeover panels, motor control boards, and industrial power distribution systems.
Q: Which current rating should I choose — 32A, 63A, or 100A?
A: Choose a current rating that meets or exceeds the maximum load current of your circuit. For light-duty applications such as small workshop equipment, 32A is suitable. For medium-duty loads like larger motors or sub-panels, 63A is recommended. For heavy-duty industrial or high-current applications, select the 100A option. Always consult a qualified electrician if you are unsure.
Q: Is this switch suitable for both AC and DC applications?
A: This switch is rated for AC 220V. While knife disconnect switches can sometimes be used in DC circuits at lower voltages, this product is specified for AC use. Always verify the voltage and current requirements of your application before installation.
Q: What does "double throw" mean on this switch?
A: "Double throw" means the switch has two output positions — it can connect the input to one of two separate circuits. Combined with "double pole," it simultaneously controls two conductors, making it highly effective for source-transfer and changeover wiring applications.