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1SCA136703R1001 ABB OTDC32U4 4 Pole 1000VDC 50A Switch Disconnector
MPN: 1SCA136703R1001
Alt. SKU: OTDC32U4
Why Choose the OTDC32U4 [1SCA136703R1001]
The OTDC32U4 PV Disconnect Switch is designed for reliable isolation in photovoltaic systems, supporting dual circuits with a rated current of 32 A at 600 VDC (UL) and 660 VDC (IEC), and 20 A at 1000 VDC (IEC). It features a base mounting configuration and includes a terminal bolt kit for secure connections. Please note that the handle and shaft must be ordered separately to complete installation. This switch ensures compliance with relevant UL and IEC standards, making it suitable for a range of solar power applications.
Technical Specification
- Function: Photovoltaic disconnect switch for double circuit.
- Rated Operational Voltage: 1000 V DC.
- Rated Operational Current: 32 A at 660 V, 20 A at 1000 V.
- Contact Configuration: 4 poles, 2 circuits.
- Rated Insulation Voltage: 1000 V.
- Rated Impulse Withstand Voltage: 8 kV.
- Degree of Protection: IP20 front.
- Terminal Type and Size Range: Screw terminals, cable cross-section 2.5 to 16 mm² (12 to 6 AWG).
- Mounting Type: Base and DIN-rail mounting.
- Mechanical Data: Positive opening torque 0.4 to 0.8 N·m; main circuit tightening torque 1.2 to 1.4 N·m.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the OTDC32U4 PV Disconnect Switch?
The OTDC32U4 is a photovoltaic disconnect switch designed for double circuit applications.
What are the rated operational voltage and current for this switch?
The switch has a rated operational voltage of 1000 V DC and a rated operational current of 32 A at 660 V, or 20 A at 1000 V.
What is the degree of protection for the OTDC32U4?
The degree of protection is IP20 for the front of the switch.
What is the cable capacity for the terminals?
The terminal type is screw terminals with a cable cross-section range of 2.5 to 16 mm² (12 to 6 AWG).
How can the OTDC32U4 be mounted?
The switch can be mounted on a base or a DIN-rail.
What torque specifications should be followed for installation?
The positive opening torque should be between 0.4 to 0.8 N·m, and the main circuit tightening torque should be 1.2 to 1.4 N·m.
What standards and approvals does the OTDC32U4 conform to?
See the manufacturer's data sheet for standards and approvals.
| Alternative Product SKU | OTDC32U4 |
|---|---|
| Manufacturer Part Number | 1SCA136703R1001 |
| Manufacturer | ABB |
| Barcode | 6417019652153 |
| 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 | 50A |
| 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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