Schneider Electric K1D004NCHC Cam Changeover Switch – Harmony K Series
Imagine a critical motor control panel mid-operation — the operator needs to switch between manual and automatic modes instantly. Without a reliable cam changeover switch, that transition risks arc flash, contact bounce, or complete circuit failure, halting production and endangering personnel. The Schneider Electric K1D004NCHC eliminates that risk with its precision-engineered rotary cam mechanism, delivering positive, snap-action switching that industrial environments demand.
The K1D004NCHC occupies a key position within Schneider Electric’s Harmony K Series — a globally recognized family of cam switches engineered for heavy-duty industrial control applications. With Schneider Electric’s Harmony K switches deployed across power generation, water treatment, manufacturing, and marine industries worldwide, the K1D004NCHC represents the series’ commitment to robust, long-service-life switching solutions trusted by engineers on every continent.
Technical Specifications
- Part Number / SKU: K1D004NCHC
- Brand: Schneider Electric
- Series: Harmony K
- Type: Cam Changeover Switch
- Switching Positions: 4-position
- Actuator Type: Rotary cam
- Mounting: Panel / DIN rail compatible
- Contact Material: Silver alloy
- Enclosure Rating: IP65 (front face)
- Operating Temperature: -25°C to +70°C
- Standards: IEC 60947-3, CE marked
- Weight: 600 g (approx.)
Note: Always verify specifications against the official Schneider Electric datasheet for your application.
Key Features & Benefits
- Positive snap-action cam mechanism — eliminates contact bounce and ensures clean circuit switching every time
- IP65 front-face protection — resists dust and water ingress in harsh industrial environments
- Wide operating temperature range (-25°C to +70°C) — suitable for outdoor switchgear and cold-storage facilities
- Silver alloy contacts — low contact resistance, high conductivity, and extended service life
- IEC 60947-3 compliant — meets international safety standards for disconnectors and switch-disconnectors
- Compact panel-mount design — minimizes control panel footprint without sacrificing switching capacity
- Long mechanical life — engineered for millions of operating cycles in continuous-duty applications
Industry & Equipment Applications
- Motor control centers (MCC) — manual/auto/off mode selection for motor starters
- Power distribution panels — source changeover between mains and generator supply
- Water & wastewater treatment — pump control and process mode switching
- Oil & gas facilities — field instrument selector and isolation switching
- Marine & offshore — switchboard mode selection in DNV/ABS-certified panels
- HVAC systems — fan speed and damper control switching
- Machine tool control — spindle direction and feed rate selector switches
System Integration & Compatible Parts
The K1D004NCHC is designed to integrate seamlessly within Schneider Electric’s Harmony K ecosystem. Compatible and commonly paired components include:
- Harmony K contact blocks — K1D series auxiliary contacts for expanded circuit configurations
- Schneider TeSys D contactors — LC1D series for downstream motor switching
- Harmony XB4 / XB5 pushbuttons — for complementary panel control layouts
- Schneider Acti9 MCBs — upstream circuit protection coordination
- Preventa XPS safety relays — for safety-rated control circuit integration
Our Quality Assurance Process
At Konmask.com, every Schneider Electric component we supply undergoes a rigorous multi-stage verification process:
- ✅ Source verification — parts sourced from authorized distributors and certified supply chains
- ✅ Visual inspection — housing, markings, labels, and date codes checked against OEM standards
- ✅ Functional testing — cam mechanism operation and contact continuity verified before dispatch
- ✅ Anti-counterfeit screening — hologram, serial number, and packaging authenticity confirmed
- ✅ Secure packaging — ESD-safe, moisture-protected packaging for international transit
How to Order
- Submit your inquiry via the Contact / RFQ form on this page
- Provide your required quantity, delivery destination, and any project specifications
- Receive a formal quotation within 1 business day
- Confirm order and receive proforma invoice
- Shipment dispatched with full tracking and commercial documentation
For urgent requirements or large-volume orders, contact us directly at support@konmask.com or call +0086 19859288691.
Why Choose Konmask.com?
- 🌐 Global B2B supplier specializing in industrial automation and PLC components
- 📦 In-stock availability on thousands of Schneider Electric, Siemens, ABB, and Omron parts
- 🚚 Worldwide shipping with DHL, FedEx, and UPS express options
- 📋 Full documentation — CE declarations, test reports, and packing lists provided
- 💬 Expert technical support — our engineers help you select the right part for your application
- 🔒 Secure transactions — T/T, PayPal, and trade assurance payment options
Frequently Asked Questions
- Q: Is the Schneider K1D004NCHC in stock?
- A: We maintain regular stock of the K1D004NCHC. Submit an RFQ for real-time availability and lead time confirmation.
- Q: What is the difference between K1D004NCHC and other Harmony K cam switches?
- A: The K1D004NCHC is a 4-position cam changeover switch within the Harmony K series. Other variants differ in pole count, switching sequence, and contact configuration. Contact our team for selection assistance.
- Q: Can this switch be used for motor reversing applications?
- A: The Harmony K series includes specific cam sequences for motor reversing. Please confirm the cam diagram of the K1D004NCHC against your circuit requirements before installation.
- Q: Do you provide a certificate of conformity?
- A: Yes. A certificate of conformity and test report can be provided upon request with your order.
- Q: What is the minimum order quantity (MOQ)?
- A: We supply from 1 piece. Volume pricing is available for orders of 10 pieces or more.
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Contact: support@konmask.com | +0086 19859288691
