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1SCA134373R1001 ABB OTDC16US4 4 Pole 1000VDC 32A Switch Disconnector
MPN: 1SCA134373R1001
Alt. SKU: OTDC16US4
Why Choose the OTDC16US4 [1SCA134373R1001]
The OTDC16US4 photovoltaic disconnect switch features a base mounting design and supports US single-wire break configuration. It is rated for 16 A double circuit at 600 VDC (UL) and 660 VDC (IEC), as well as 10 A double circuit at 1000 VDC (IEC). The terminal bolt kit is included, while the handle and shaft must be ordered separately. This switch is engineered for reliable isolation in PV systems, ensuring compliance with relevant UL and IEC standards.
Technical Specification
- Function: PV disconnect switch with US single-wire break.
- Voltage Rating: 1000 V DC (Rated insulation voltage, Ui).
- Current Rating: 16 A at 660 V DC (Rated operational current, Ie).
- Contact Configuration: Double circuit, 4 poles (4P).
- Impulse Withstand Voltage: 8 kV (Rated impulse withstand voltage, Uimp).
- Protection Rating: Front IP20.
- Terminal Type and Size: Screw terminals, cable cross-section 2.5 to 16 mm² (12 to 6 AWG).
- Mounting: Base and DIN-rail mounting.
- Mechanical Data: Positive opening torque 0.4–0.8 N·m; tightening torque 1.2–1.4 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 OTDC16US4 PV Disconnect Switch?
The OTDC16US4 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?
It has a voltage rating of 1000 V DC and a current rating of 16 A at 660 V DC.
What is the contact configuration of the switch?
The switch features a double circuit configuration with 4 poles (4P).
What is the cable capacity for the terminal connections?
The screw terminals can accommodate cable cross-sections from 2.5 to 16 mm² (12 to 6 AWG).
How can the OTDC16US4 be mounted?
This switch can be mounted on a base or a DIN rail.
What is the protection rating of the switch?
The front protection rating is IP20.
What should I refer to for standards and approvals?
See the manufacturer's data sheet for standards and approvals.
| Alternative Product SKU | OTDC16US4 |
|---|---|
| Manufacturer Part Number | 1SCA134373R1001 |
| Manufacturer | ABB |
| Barcode | 6417019631752 |
| 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 | 32A |
| 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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