ABB OTDC100E33 triple circuit DC switch disconnector rated at 100 A and 1000 V DC for photovoltaic, battery energy storage and industrial DC isolation applications.
The ABB OTDC100E33 (SKU 1SCA149066R1001) is a high performance DC switch disconnector designed to provide safe isolation of direct current circuits in photovoltaic (PV), battery energy storage and industrial DC power systems. As part of the trusted ABB OTDC switch disconnector range, it delivers reliable switching performance, compact installation and dependable operation in demanding renewable energy applications.
Specifically developed for high voltage DC systems, the OTDC100E33 features a triple circuit, 6-pole configuration, allowing efficient isolation of multiple DC strings within a single compact device. The switch includes terminal bolt hardware and phase barriers, while operating handles and shafts are supplied separately to suit individual installation requirements.
With a 100 A rated operational current, 1000 V DC rating and base mounting design, the OTDC100E33 offers an efficient and reliable isolation solution for modern renewable energy and industrial DC installations.
The ABB OTDC100E33 is engineered to safely isolate multiple DC circuits while maintaining excellent electrical performance and operational reliability. Its triple circuit design enables efficient switching within photovoltaic combiner boxes, battery energy storage systems and industrial DC installations where space optimisation is important.
As part of ABB's globally recognised OTDC product family, the OTDC100E33 provides dependable switching, low maintenance requirements and straightforward integration into modern renewable energy and industrial electrical systems.
| Current | 100 A |
|---|---|
| Voltage | 000 V |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC DC Switch Disconnectors |
| Model | OTDC100E33 |
| SKU | 1SCA149066R1001 |
| Product type | DC switch disconnector |
| Rated operational current | 100 A |
| Rated operational voltage | 1000 V DC |
| Rated insulation voltage (Ui) | 1500 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Number of poles | 6 |
| Configuration | Triple circuit (E33) |
| Mounting type | Base mounting |
| Connection type | Bolt connection |
| Protection rating | IP20 |
| Approximate weight | 2.8 kg |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OTDC100E33 is designed to safely isolate multiple direct current circuits in photovoltaic systems, battery storage installations and industrial DC applications.
The ABB OTDC100E33 has a 100 A rated operational current.
The switch features a 6-pole triple circuit configuration, making it suitable for multi-string DC applications.
No. The switch includes the required phase barriers and terminal hardware, while the operating handle and shaft are supplied separately.
It is commonly installed in photovoltaic combiner boxes, battery energy storage systems, industrial DC distribution equipment and renewable energy installations.
ABB OTDC switch disconnectors are trusted worldwide by renewable energy engineers, panel builders and industrial OEMs for delivering safe, efficient and dependable DC isolation across demanding electrical installations.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...