IMO DC Disconnect Rooftop Isolator Switch SI32-PEL64R-4
Secure Your Solar Investment with True DC Isolation Technology
The IMO DC Disconnect Rooftop Isolator Switch SI32-PEL64R-4 is the definitive choice for photovoltaic professionals seeking uncompromising safety and performance. Engineered specifically as a True DC switch—not a repurposed AC component—this isolator ensures reliable disconnection between your DC/AC inverter and solar panels. Compliant with IEC 60364-7-712 for all photovoltaic installations, it delivers peace of mind with operator-independent switching, IP66-rated weather resistance, and lockable-off functionality. At $96.95, this premium solution safeguards your system against electrical hazards while meeting rigorous international standards.
Key Features
- True DC Design: Purpose-built for DC applications, not an AC derated or rewired variant, ensuring optimal performance and longevity.
- Operator-Independent Switching Mechanism: High-speed trigger ratchet action guarantees reliable disconnection regardless of actuation speed.
- IP66 & NEMA 3R Rated Enclosure: Fully sealed, self-extinguishing plastic housing protects against dust, water ingress, and harsh outdoor environments.
- Enhanced Safety Architecture: Knife-edge contacts with arc cooling chambers minimize arcing risks, while fully enclosed internal switch eliminates additional wiring hazards.
- Lockable Off Safe-Lock: Integrated locking mechanism prevents unauthorized or accidental reconnection during maintenance.
- Easy Installation: Compact, space-saving design with 16mm² box terminals and M25 cable gland entry option for straightforward wiring.
- Global Approvals: UL508i (E362605), UL508 cRUus (E146487), CE, TUV, GOST, and IEC CB certified for worldwide compliance.
Specifications
- Rated Thermal Current: 32A
- Rated Insulation Voltage: 1000V (suitable for overvoltage I to III, pollution degree 3, Uimp=8KV)
- Contact Distance per Pole: 8mm
- Poles in Series: 2
- Number of Strings: 2
- Enclosure Rating: IP66, NEMA 3R
- Operating Temperature Range: -40°C to 45°C
- Cable Gland Entry: M25 option
- Terminal Size: 16mm² box terminals
- Operating Torque: Maximum 1Nm for easy operation
- Material: Self-extinguishing plastic enclosure
- Safety Feature: Lockable off safe-lock
Why Choose IMO DC Disconnect Rooftop Isolator Switch SI32-PEL64R-4
In the rapidly evolving solar energy landscape, component reliability is non-negotiable. The IMO SI32-PEL64R-4 stands apart as a true DC-rated isolator, engineered from the ground up to handle the unique demands of photovoltaic systems. Unlike AC switches modified for DC use—which risk arc flash and premature failure—this switch incorporates knife-edge contacts and arc cooling chambers specifically designed for DC interruption.
Its operator-independent switching mechanism ensures consistent performance, while the IP66-rated enclosure withstands extreme weather from -40°C to 45°C. The lockable-off feature adds critical safety for maintenance crews, and global certifications (UL, CE, TUV) guarantee compliance with international standards. Whether you’re a solar installer seeking code-compliant components or a system owner prioritizing long-term reliability, the IMO SI32-PEL64R-4 delivers the premium safety and performance your investment deserves.


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