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1SCA136704R1001 ABB OTDC32US4 4 Pole 1000VDC 50A Switch Disconnector
MPN: 1SCA136704R1001
Alt. SKU: OTDC32US4
Why Choose the OTDC32US4 [1SCA136704R1001]
The OTDC32US4 photovoltaic disconnect switch is rated for 32 A double circuit operation, certified to UL 600 VDC, IEC 660 VDC, and IEC 1000 VDC standards (20 A at 1000 VDC). It features a US single-wire break design with base mounting for secure installation. A terminal bolt kit is included for reliable connections; however, the handle and shaft must be ordered separately to complete the assembly. This switch is suitable for isolating PV arrays in compliance with relevant electrical safety standards.
Technical Specification
- Function: PV disconnect switch with US single-wire break.
- Voltage Rating: 1000 VDC (IEC), 600 VDC (UL 508i).
- Current Rating: 32 A (IEC and UL) with 50 A conventional thermal current (fully enclosed).
- Contact Configuration: Double circuit, 4-pole.
- Insulation Voltage: Rated insulation voltage 1000 V.
- Impulse Withstand Voltage: 8 kV.
- Degree of Protection: Front IP20.
- Terminal Type and Size: Screw terminals for 2.5 to 16 mm² (12 to 6 AWG).
- Mounting Type: Base and DIN-rail mounting.
- Mechanical Details: Positive opening torque 0.4–0.8 N·m; shaft diameter 6 mm (handle and shaft not included).
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the OTDC32US4 PV Disconnect Switch?
The OTDC32US4 is a PV disconnect switch designed for use with a US single-wire break system.
What are the voltage and current ratings for this switch?
The switch has a voltage rating of 1000 VDC (IEC) and 600 VDC (UL), with a current rating of 32 A (IEC and UL).
What is the terminal type and size for this product?
The switch features screw terminals suitable for cable sizes from 2.5 to 16 mm² (12 to 6 AWG).
How is the OTDC32US4 mounted?
This switch can be mounted on a base or a DIN-rail.
What is the degree of protection for this switch?
The degree of protection is IP20 for the front of the switch.
Are there any specific standards or approvals for this product?
See the manufacturer's data sheet for standards and approvals.
| Alternative Product SKU | OTDC32US4 |
|---|---|
| Manufacturer Part Number | 1SCA136704R1001 |
| Manufacturer | ABB |
| Barcode | 6417019652160 |
| 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 |
| Nema Rating | 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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