Enhance the reliability and safety of your solar PV system with the 32A, 700 VDC IMO SI32-PEL64R-4 True DC Solar Isolator—a high-performance component designed specifically for photovoltaic applications. This isolator ensures safe disconnection between PV arrays and DC/AC inverters, facilitating maintenance and emergency shutdowns while adhering to international safety standards.
Key Features:
- True DC Switching: Built for DC applications with optimized performance for photovoltaic systems, unlike conventional AC isolators.
- Rapid Arc Suppression: Operator-independent mechanism extinguishes arcs within 3 milliseconds, protecting system components and personnel.
- Robust Enclosure: IP66 and NEMA 4X-rated self-extinguishing plastic housing provides resistance to dust, water, and harsh environmental conditions.
- Lockable Rotary Handle: Prevents unauthorized or accidental operation, ensuring safety during maintenance.
- High Voltage Capacity: Supports up to 1000V DC, suitable for modern high-voltage PV systems.
- Versatile Configuration: Four-pole design with series connection capability for managing multiple PV strings.
Product Overview:
The IMO SI32-PEL64R-4 True DC Solar Isolator is specifically designed to meet the demanding requirements of solar photovoltaic installations. Its high-speed ratchet switching mechanism ensures quick and reliable disconnection, mitigating risks associated with arc flash in DC circuits.
The IP66/NEMA 4X-rated enclosure ensures durability, making the isolator suitable for both indoor and outdoor installations in extreme conditions. It is equipped with knife-edge contacts and arc cooling chambers for superior performance and longevity.
Complying with international safety standards like IEC 60364-7-712 and UL508i, the SI32-PEL64R-4 meets stringent requirements for DC isolation in photovoltaic systems. This ensures not only operational safety but also regulatory compliance, making it a dependable choice for installers and system designers.
Applications:
- Residential solar PV systems
- Commercial and industrial solar installations
- Off-grid and hybrid solar setups
- Multi-string photovoltaic arrays requiring reliable isolation
Technical Specifications:
| Specification | Details |
|---|---|
| Model Number | SI32-PEL64R-4 |
| Rated Thermal Current (Ith) | 32A |
| Rated Operating Voltage (Ue) | 700 VDC |
| Impulse Withstand Voltage (Uimp) | 8kV |
| Contact Distance per Pole | 8mm |
| Number of Poles | 4 (configurable as two poles in series) |
| Enclosure Rating | IP66, NEMA 4X |
| Operating Temperature Range | -40°C to 45°C |
| Insulation Voltage | 1000V |
| Pollution Degree | Category III, Pollution Degree 3 |
| Mechanical Endurance | 10,000 operations |
| Electrical Endurance | 2,000 operations (at full load) |
| Terminal Capacity | Up to 16mm² (AWG 6) |
| Dimensions (H x W x D) | 122 x 75 x 75 mm |
| Weight | 0.45 kg |
| Certifications | UL508i, cRUus, CE, TUV, GOST, IEC CB |
Compliance and Standards:
- Compliant with IEC 60364-7-712, mandating DC isolators for photovoltaic systems.
- Certified to UL508i, CE, and TUV standards for reliable and safe operation in global installations.
- Designed to meet the demands of Category III installations with robust pollution degree tolerance.
Safety and Installation:
- Lockable Handle: Ensures isolator remains in position during maintenance, preventing accidental reconnection.
- Compact and Lightweight: Simplifies installation, even in space-constrained setups.
- High-Endurance Mechanism: Rated for extensive mechanical and electrical operation cycles, ensuring long-term reliability.
