Professional isolating switch with 630A rated current, 4 poles, visible isolation, and positive contact action for commercial and industrial power installations
The Legrand DPX³ 630 is a professional-grade isolating switch designed for on-load circuit breaking with visible isolation and positive contact action. This four-pole switch is suitable for commercial and middle power installations, complying with EN/IEC standard 60947-3 and NEMA AB-1 specifications. With a rated current of 630A and maximum operating voltage of 690V AC, it delivers reliable performance for demanding industrial and commercial applications.
This isolating switch features cage terminal connections supplied with terminal shields, ensuring secure and safe electrical connections. The device is available as a main switch, maintenance/service switch, or safety switch, making it versatile for various installation scenarios. The integrated padlock in the handle provides enhanced security, while optional emergency use and vari-depth handles offer additional flexibility for different operational requirements.
The DPX³ 630 can be mounted on plates within XL³ or XL³ S enclosures, making it ideal for distribution board installation and front mounting applications. With a rated short-time withstand current of 15 kA and conditioned rated short-circuit current of 100 kA, this switch provides exceptional protection and reliability for critical power management systems.
Key Features
- On-load circuit breaking capability with visible isolation and positive contact action
- Four-pole configuration rated for 630A continuous current at 400V
- Compliant with EN/IEC 60947-3 standard and NEMA AB-1 specifications
- Integrated padlock in handle with optional emergency use and vari-depth handles
- Cage terminal connections with supplied terminal shields for secure electrical connections
- Versatile functionality as main switch, maintenance switch, or safety switch
- Suitable for mounting in XL³ and XL³ S enclosures
- Rated impulse withstand voltage of 8kV with 800V insulation rating
- Exceptional short-circuit protection with 100 kA conditioned rated current
- Interlockable design for enhanced operational safety
Technical Specifications
| Specification |
Value |
| Product Name | DPX³ 630 Isolating Switch |
| Manufacturer | Legrand |
| Reference Number | 026671 |
| EAN Code | 3245060266714 |
| Number of Poles | 4 poles |
| Rated Permanent Current | 630 A |
| Rated Operating Voltage AC | 690 V |
| Operating Voltage Range | 230-690 V |
| Rated Insulation Voltage | 800 V |
| Rated Impulse Withstand Voltage | 8 kV |
| Rated Short-Time Withstand Current | 15 kA |
| Rated Operation Power at AC-23, 400V | 252 kW |
| Conditioned Rated Short-Circuit Current | 100 kA |
| Category of Use | AC23 |
| Auxiliary Contacts (Change-over) | 4 contacts |
| Auxiliary Contacts (Normally Closed) | 0 contacts |
| Auxiliary Contacts (Normally Open) | 0 contacts |
| Control Element Type | Rocker lever |
| Control Element Color | Black |
| Electrical Connection Type | Screw connection |
| Degree of Protection (Front Side) | IP20 |
| Device Construction | Complete device in housing |
| Suitable for Floor Mounting | Yes |
| Suitable for Front Mounting 4-Hole | Yes |
| Suitable for Distribution Board Installation | Yes |
| Interlockable | Yes |
| Motor Drive Optional | No |
| Motor Drive Integrated | No |
| Voltage Release Optional | No |
| Compatible Enclosures | XL³ and XL³ S enclosures |
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