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1SCA134377R1001 ABB OTDC25U4 4 Pole 1000VDC 40A Switch Disconnector
MPN: 1SCA134377R1001
Alt. SKU: OTDC25U4
Special Price
£177.68
£148.07
Regular Price
£273.36
Why Choose the OTDC25U4 [1SCA134377R1001]
The OTDC25U4 PV Disconnect Switch is designed for reliable isolation in photovoltaic systems. It supports double circuit operation with a current rating of 25 A at 600 VDC (UL) and 660 VDC (IEC), and 16 A at 1000 VDC (IEC). The switch features a base mounting configuration and includes a terminal bolt kit for secure connections. Please note that the handle and shaft are supplied separately to allow flexible installation options.
Technical Specification
- Function: Photovoltaic disconnect switch, double circuit, 4 poles.
- Rated Operational Voltage: 1000 V DC.
- Rated Operational Current: 25 A at 660 V DC, 16 A at 1000 V DC.
- Insulation Voltage (Ui): 1000 V.
- Impulse Withstand Voltage (Uimp): 8 kV.
- Degree of Protection: IP20 (front).
- Terminal Type and Size: Screw terminals, 2.5 to 16 mm² (12 to 6 AWG).
- Mounting Type: Base and DIN-rail mounting.
- Contact Configuration: Double circuit, 4 poles.
- Tightening Torque: 1.2 to 1.4 N·m for main circuit terminals.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the OTDC25U4?
The OTDC25U4 is a photovoltaic disconnect switch designed for double circuit applications with 4 poles.
What are the rated operational voltages and currents?
It has a rated operational voltage of 1000 V DC and a rated operational current of 25 A at 660 V DC, and 16 A at 1000 V DC.
What is the degree of protection for this switch?
The degree of protection is IP20 for the front of the switch.
What type of terminals does the OTDC25U4 have?
It features screw terminals that accommodate cable sizes from 2.5 to 16 mm² (12 to 6 AWG).
How can the OTDC25U4 be mounted?
The switch can be mounted on a base or a DIN-rail.
What tightening torque is required for the main circuit terminals?
The recommended tightening torque is between 1.2 to 1.4 N·m for the main circuit terminals.
What standards and approvals does the OTDC25U4 comply with?
See the manufacturer's data sheet for standards and approvals.
| Alternative Product SKU | OTDC25U4 |
|---|---|
| Manufacturer Part Number | 1SCA134377R1001 |
| Manufacturer | ABB |
| Barcode | 6417019631783 |
| Number of Poles | 4 Pole |
| Number of switches | 1 |
| Rated operating voltage | 1000 |
| Device construction | Built-in device fixed built-in technique |
| Type of control element | Other |
| Rated permanent current Iu | 40A |
| Voltage | 1000VDC |
| Degree of protection (IP) | IP20 |
| Degree of protection (NEMA) | 1 |
| Type of electric connection | Screw connection |
| Packed Quantity | 1 |
| Height | 89mm |
| Width | 54.5mm |
| Depth | 87mm |
| HS Code | 85365080 |
| Country of Manufacture | Estonia |
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