Professional isolating switch for on-load circuit breaking, 400A rated current, 690V maximum voltage, 3-pole configuration with visible isolation and positive contact action. Compliant with EN/IEC 60947-3 and NEMA AB-1 standards.
The Legrand DPX-IS 630 is a professional-grade isolating switch designed for on-load circuit breaking with visible isolation and positive contact action. This switch is specifically engineered for commercial and medium power installations, complying with EN/IEC standard 60947-3 and NEMA AB-1 specifications. With a rated current of 400A at 690V maximum operating voltage, it provides reliable and safe electrical distribution management.
This isolating switch features advanced technical specifications including a rated insulation voltage of 800V and a rated impulse withstand voltage of 8kV, ensuring superior protection against electrical surges and transient overvoltages. The device incorporates cage terminals supplied with terminal shields for secure and reliable electrical connections. The integrated padlock in the handle provides additional safety features, and the switch can be equipped with emergency use handles or vari-depth handles for enhanced operational flexibility.
The DPX-IS 630 is suitable for mounting on plates in XL³ or XL³ S enclosures and offers multiple functional capabilities including main switch, maintenance/service switch, and safety switch configurations. With 4 change-over auxiliary contacts, a rated short-time withstand current of 15 kA, and a conditioned rated short-circuit current of 100 kA, this switch delivers exceptional performance and reliability for demanding industrial and commercial applications.
Key Features
- On-load circuit breaking with visible isolation and positive contact action
- Rated current of 400A with maximum operating voltage of 690V
- Integrated padlock in handle for enhanced safety and security
- Cage terminals with supplied terminal shields for secure connections
- Can be equipped with emergency use handle or vari-depth handle for operational flexibility
- Suitable for main switch, maintenance/service switch, and safety switch applications
- Mountable on plates in XL³ or XL³ S enclosures
- 4 change-over auxiliary contacts for advanced control capabilities
- Rated insulation voltage of 800V and impulse withstand voltage of 8kV
Technical Specifications
| Specification |
Value |
| Product Model | DPX-IS 630 |
| Reference Number | 026664 |
| EAN Code | 3245060266646 |
| Manufacturer | Legrand |
| Number of Poles | 3 |
| Rated Permanent Current (Iu) | 400 A |
| Maximum Rated Operating Voltage | 690 V AC |
| Rated 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 | 160 kW |
| Conditioned Rated Short-Circuit Current | 100 kA |
| Category of Use | AC23 |
| Auxiliary Contacts - Change-Over | 4 |
| Auxiliary Contacts - Normally Open | 0 |
| Auxiliary Contacts - Normally Closed | 0 |
| Control Element Type | Rocker Lever |
| Control Element Color | Black |
| Device Construction | Complete Device in Housing |
| Electrical Connection Type | Screw Connection |
| Degree of Protection (IP) - Front Side | IP20 |
| Mounting Type - Floor | Yes |
| Mounting Type - Front 4-Hole | Yes |
| Mounting Type - Distribution Board | Yes |
| Interlockable | Yes |
| Motor Drive | Not Integrated or Optional |
| Voltage Release | Not Available |
| Version as Main Switch | Yes |
| Version as Maintenance/Service Switch | Yes |
| Version as Safety Switch | Yes |
| Standards Compliance | EN/IEC 60947-3, NEMA AB-1 |
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