1SCA125821R1001 ABB OTDC100E11 2 Pole 1000VDC 100A Switch Disconnector
ABB OTDC100E11 2-pole DC switch disconnector rated at 100 A and 1000 V DC for photovoltaic systems, battery storage and industrial DC isolation applications.
Why Choose the ABB 1SCA125821R1001 OTDC100E11 DC Switch Disconnector?
The ABB 1SCA125821R1001, also known as the OTDC100E11, is a high-performance DC switch disconnector designed specifically for photovoltaic installations, battery energy storage systems and other demanding direct current applications. Rated at 100 A with a maximum operational voltage of 1000 V DC, it delivers reliable load switching and safe circuit isolation for renewable energy systems.
Part of ABB's proven OTDC DC switch-disconnector range, the OTDC100E11 features a compact base-mounted design with the operating mechanism positioned between the poles. It is supplied with a terminal bolt kit, while compatible operating handles and shafts are ordered separately to suit the installation.
Designed to comply with IEC standards for photovoltaic switching applications, this robust switch disconnector offers excellent electrical performance, low power losses and dependable long-term operation. It is widely specified by panel builders, solar installers and industrial electrical engineers for safe DC isolation.
Key Advantages
Designed specifically for photovoltaic and DC power applications.
100 A rated operational current at 1000 V DC.
Compact 2-pole base-mounted design.
Mechanism positioned between the poles for efficient installation.
Low power losses for improved energy efficiency.
Compatible with a wide range of ABB handles and shafts.
Reliable switching performance in demanding renewable energy systems.
Manufactured to ABB's high standards for industrial applications.
Key Features
ABB OTDC DC switch disconnector series.
100 A rated operational current.
1000 V DC rated operational voltage.
2-pole configuration.
Mechanism located between the poles.
Base mounting design.
Terminal bolt kit included.
Handles and shafts available separately.
Lug terminal connections.
Suitable for photovoltaic installations.
Reliable DC Isolation for Photovoltaic Systems
DC switch disconnectors provide a dependable method of isolating photovoltaic arrays and other direct current circuits before maintenance, servicing or emergency shutdown. Proper DC isolation improves operator safety while protecting electrical equipment during installation and maintenance.
The ABB OTDC100E11 combines compact dimensions with high electrical performance, making it an excellent choice for solar combiner boxes, battery storage systems and industrial DC control panels where dependable switching is essential.
Typical Applications
Photovoltaic solar installations.
Battery energy storage systems.
Solar combiner boxes.
DC distribution panels.
Industrial DC control systems.
Renewable energy infrastructure.
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
100 A
IP Rating
IP20
Manufacturer
ABB
Series
OTDC DC Switch Disconnectors
Product ID
1SCA125821R1001
Model
OTDC100E11
Product type
DC switch disconnector
Rated operational current
100 A
Rated operational voltage
1000 V DC
Number of poles
2
Utilisation category
DC-21B
Rated insulation voltage (Ui)
1500 V
Rated impulse withstand voltage (Uimp)
12 kV
Mounting type
Base mounting
Terminal type
Lug terminals
Standards
IEC 60947-1, IEC 60947-3
Dimensions (H × W × D)
approx. 176 × 116 × 85 mm
Weight
approx. 1.1 kg
EAN
6417019558073
HS Code
85365080
Country of Manufacture
Finland
Poles
2-pole
Frequently Asked Questions
What is the ABB 1SCA125821R1001 used for?
The ABB OTDC100E11 is a DC switch disconnector used to safely isolate photovoltaic arrays, battery storage systems and other direct current electrical installations.
What is the current rating of the OTDC100E11?
The switch has a rated operational current of 100 A at 1000 V DC.
Are the operating handle and shaft included?
No. The switch is supplied with a terminal bolt kit, while compatible ABB handles and shafts are ordered separately to suit the installation.
How many poles does this switch have?
The OTDC100E11 is a 2-pole DC switch disconnector with the operating mechanism positioned between the poles.
What applications is this switch suitable for?
It is ideal for photovoltaic systems, battery energy storage, renewable energy installations and industrial DC power distribution applications.
Trusted by Renewable Energy Professionals
ABB OTDC DC switch disconnectors are trusted worldwide by solar installers, electrical contractors and panel builders for reliable circuit isolation, outstanding electrical performance and long-term operational reliability.
Voltage
1000 V
Mounting Type
Base mounting
Device Type
Switch Disconnector
Supply Type
DC
Product Series
ABB OTDC
Current
100 A
IP Rating
IP20
Manufacturer
ABB
Series
OTDC DC Switch Disconnectors
Product ID
1SCA125821R1001
Model
OTDC100E11
Product type
DC switch disconnector
Rated operational current
100 A
Rated operational voltage
1000 V DC
Number of poles
2
Utilisation category
DC-21B
Rated insulation voltage (Ui)
1500 V
Rated impulse withstand voltage (Uimp)
12 kV
Mounting type
Base mounting
Terminal type
Lug terminals
Standards
IEC 60947-1, IEC 60947-3
Dimensions (H × W × D)
approx. 176 × 116 × 85 mm
Weight
approx. 1.1 kg
EAN
6417019558073
HS Code
85365080
Country of Manufacture
Finland
Poles
2-pole
No documents available for this product.
UK delivery
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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 6 weeks
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