Why Choose the ABB OTDC250E22 DC Switch Disconnector?
The ABB OTDC250E22 (SKU 1SCA125869R1001) is a heavy-duty DC switch disconnector designed to provide safe and reliable isolation of direct current circuits in photovoltaic (PV), battery energy storage and industrial DC power applications. As part of the proven ABB OTDC switch disconnector series, it offers dependable switching performance, compact installation and outstanding operational reliability for demanding renewable energy systems.
Designed specifically for high voltage DC installations, the OTDC250E22 features a compact footprint with exceptionally low power losses, making it ideal for modern electrical installations where efficiency and safety are essential. The switch is supplied with a terminal bolt kit, while the operating handle and shaft are ordered separately to provide installation flexibility for panel builders and OEMs.
With a 250 A rated operational current, 1000 V DC operating voltage and a 4-pole double circuit configuration, the ABB OTDC250E22 delivers dependable DC isolation for industrial power distribution and renewable energy applications.
Key Advantages
Compact DC switch disconnector for demanding industrial and renewable energy systems.
250 A rated operational current for high power DC applications.
1000 V DC operating voltage suitable for photovoltaic and battery storage installations.
4-pole double circuit configuration for flexible system design.
Low power losses help improve overall system efficiency.
Reliable ABB engineering ensures long service life and dependable operation.
Key Features
ABB OTDC DC switch disconnector series.
250 A rated operational current.
1000 V DC operational voltage.
4-pole double circuit (E22) configuration.
Compact base mounting design.
Terminal bolt kit included.
Operating handle and shaft supplied separately.
Manufactured in accordance with IEC 60947-1 and IEC 60947-3.
Reliable DC Isolation for High Power Applications
The ABB OTDC250E22 is engineered to safely disconnect high current direct current circuits while maintaining exceptional reliability in demanding operating environments. Its advanced contact design provides efficient switching with minimal power loss, helping maximise system performance in renewable energy and industrial DC installations.
As part of ABB's globally recognised OTDC product family, the OTDC250E22 offers straightforward integration into electrical control panels, photovoltaic combiner boxes and battery energy storage systems where dependable DC isolation is critical.
Typical Applications
Solar photovoltaic (PV) systems.
Battery energy storage systems (BESS).
Industrial DC distribution panels.
Renewable energy infrastructure.
OEM electrical control panels.
DC motor isolation and power distribution.
Technical Specifications
Tick the specs you need, then view products that match.
Voltage
1000 V
Mounting Type
Base mounting
Device Type
Switch Disconnector
Supply Type
DC
Product Series
ABB OTDC
Current
250 A
Phase
Three Phase
IP Rating
IP20
Manufacturer
ABB
Series
OTDC DC Switch Disconnectors
Model
OTDC250E22
SKU
1SCA125869R1001
Product type
DC switch disconnector
Rated operational current
250 A
Rated operational voltage
1000 V DC
Rated insulation voltage (Ui)
1500 V
Rated impulse withstand voltage (Uimp)
12 kV
Number of poles
4
Configuration
Double circuit (E22)
Mounting type
Base mounting
Connection type
Bolt connection
Protection rating
IP20
Approximate dimensions (H × W × D)
262 × 185 × 91 mm
Approximate weight
1.9 kg
HS Code
85365080
Country of Manufacture
Finland
Poles
4-pole
Frequently Asked Questions
What is the ABB OTDC250E22 used for?
The OTDC250E22 is designed to safely isolate direct current circuits in photovoltaic systems, battery energy storage installations and industrial DC applications.
What is the rated current of the OTDC250E22?
The ABB OTDC250E22 has a 250 A rated operational current.
What voltage is this switch designed for?
The switch is designed for installations operating up to 1000 V DC.
Is the operating handle included?
No. The terminal bolt kit is included, while the operating handle and shaft are supplied separately.
Where is the ABB OTDC250E22 commonly installed?
It is commonly installed in photovoltaic combiner boxes, battery energy storage systems, industrial DC distribution equipment and renewable energy installations.
Trusted for Renewable Energy and Industrial DC Systems
ABB OTDC switch disconnectors are trusted worldwide by electrical engineers, panel builders and renewable energy specialists for delivering safe, reliable and efficient DC isolation in demanding industrial and renewable energy applications.
Voltage
1000 V
Mounting Type
Base mounting
Device Type
Switch Disconnector
Supply Type
DC
Product Series
ABB OTDC
Current
250 A
Phase
Three Phase
IP Rating
IP20
Manufacturer
ABB
Series
OTDC DC Switch Disconnectors
Model
OTDC250E22
SKU
1SCA125869R1001
Product type
DC switch disconnector
Rated operational current
250 A
Rated operational voltage
1000 V DC
Rated insulation voltage (Ui)
1500 V
Rated impulse withstand voltage (Uimp)
12 kV
Number of poles
4
Configuration
Double circuit (E22)
Mounting type
Base mounting
Connection type
Bolt connection
Protection rating
IP20
Approximate dimensions (H × W × D)
262 × 185 × 91 mm
Approximate weight
1.9 kg
HS Code
85365080
Country of Manufacture
Finland
Poles
4-pole
No documents available for this product.
UK delivery
Delivery options
Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.
This productManufacturer Lead Time
Estimated Delivery 5 weeks
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Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.
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