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1SCA134370R1001 ABB OTDC16U4 4 Pole 1000VDC 32A Switch Disconnector
MPN: 1SCA134370R1001
Alt. SKU: OTDC16U4
Why Choose the OTDC16U4 [1SCA134370R1001]
The OTDC16U4 PV Disconnect Switch is designed for reliable isolation in photovoltaic systems. It features a base mounting configuration and supports double circuit operation with a current rating of 16 A at 600 VDC (UL), 16 A at 660 VDC (IEC), and 10 A at 1000 VDC (IEC). A terminal bolt kit is included for secure connections; however, the handle and shaft must be ordered separately to complete the assembly. This switch ensures compatibility with a range of PV installations, meeting both UL and IEC standards for safe and efficient disconnection.
Technical Specification
- Function: PV disconnect switch for double circuit use.
- Voltage Ratings: 600 VDC UL, 660 VDC IEC (16 A), 1000 VDC IEC (10 A).
- Current Ratings: 16 A (660 V), 10 A (1000 V), 40 A thermal current free-air.
- Contact Configuration: 4-pole, double circuit.
- Insulation & Impulse Ratings: Rated insulation voltage 1000 V, impulse withstand voltage 8 kV.
- Protection Rating: Front IP20.
- Terminal Type & Size Range: Screw terminals for cables 2.5 to 16 mm² (12 to 6 AWG).
- Mounting: Base and DIN-rail mounting.
- Mechanical Features: Shaft diameter 6 mm, handle and shaft ordered separately.
- Standards Compliance: UL508i, IEC 60947-1 and -3.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the OTDC16U4 PV Disconnect Switch?
The OTDC16U4 is a PV disconnect switch designed for double circuit use.
What are the voltage ratings for this product?
The switch has voltage ratings of 600 VDC (UL), 660 VDC (IEC) at 16 A, and 1000 VDC (IEC) at 10 A.
What is the cable capacity for the terminal connections?
The screw terminals accommodate cables ranging from 2.5 to 16 mm² (12 to 6 AWG).
How is the OTDC16U4 mounted?
The switch can be mounted on a base or DIN-rail.
What are the insulation and impulse ratings?
The rated insulation voltage is 1000 V, and the impulse withstand voltage is 8 kV.
Are the handle and shaft included with the switch?
No, the handle and shaft need to be ordered separately.
What standards does the OTDC16U4 comply with?
See the manufacturer's data sheet for standards and approvals.
| Alternative Product SKU | OTDC16U4 |
|---|---|
| Manufacturer Part Number | 1SCA134370R1001 |
| Manufacturer | ABB |
| Barcode | 6417019631721 |
| 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 |
| 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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