1SCA162937R1001 ABB OTHV125G03P 3 Pole 800VAC to 1000VAC 125A Switch Disconnector
ABB OTHV125G03P 3-pole 125A switch disconnector complete with operating handle and shaft for 800 to 1000 V AC industrial electrical isolation applications.
Why Choose the ABB OTHV125G03P Switch Disconnector?
The ABB OTHV125G03P (1SCA162937R1001) is a robust 3-pole switch disconnector designed for safe manual isolation in demanding industrial power distribution systems. Engineered for applications operating at 800 to 1000 V AC, this complete device is supplied with a handle and shaft, providing a ready-to-install solution for switchboards, renewable energy systems and industrial control panels.
As part of ABB's proven OTHV range, this switch disconnector delivers dependable electrical isolation, excellent mechanical durability and straightforward operation. The integrated operating handle provides secure ON/OFF indication, while the heavy-duty construction ensures reliable long-term performance in demanding environments.
With a 125 A rated operational current, 1000 V AC operational voltage and durable screw terminal connections, the OTHV125G03P is an ideal choice for machine builders, panel manufacturers and industrial electrical contractors requiring safe and reliable circuit isolation.
Key Advantages
Complete 3-pole switch disconnector with operating handle and shaft.
125 A rated operational current for industrial applications.
Suitable for 800 to 1000 V AC systems.
Reliable manual isolation for electrical safety and maintenance.
Long mechanical life with approximately 20,000 switching operations.
Ideal for industrial control panels, switchboards and renewable energy installations.
Key Features
ABB OTHV switch disconnector series.
Manufacturer part number: 1SCA162937R1001.
Alternative model: OTHV125G03P.
3-pole configuration.
125 A operational current.
800 to 1000 V AC operating voltage.
Complete unit supplied with handle and adjustable shaft.
Screw terminals for copper conductors.
Front-operated base-mounted design.
Suitable for distribution board installation.
Reliable Isolation for High Voltage Installations
The ABB OTHV125G03P provides a safe and visible means of isolating electrical circuits during maintenance, inspection and servicing. Designed for high-voltage AC systems, it helps improve operational safety while protecting personnel and electrical equipment.
Its complete design with supplied operating handle and shaft simplifies installation while delivering dependable switching performance for industrial distribution systems, renewable energy applications and OEM equipment.
Typical Applications
Industrial power distribution systems.
Photovoltaic and renewable energy installations.
Electrical switchboards.
Industrial machinery isolation.
OEM control panels.
Commercial and industrial electrical infrastructure.
Technical Specifications
Tick the specs you need, then view products that match.
Mounting Type
Base mounting
Device Type
Switch Disconnector
Supply Type
AC
Current
125 A
Voltage
800 V
Phase
Three Phase
IP Rating
IP20
Manufacturer
ABB
Series
OTHV
Model
OTHV125G03P
Manufacturer Part Number
1SCA162937R1001
Product type
Switch disconnector
Number of poles
3
Rated operational voltage
800 to 1000 V AC
Rated operational current (AC-21A)
125 A
Rated insulation voltage (Ui)
1000 V
Rated impulse withstand voltage (Uimp)
12 kV
Short-circuit making capacity (Icm)
12 kA
Protection rating
IP20
Connection type
Screw terminals
Cable size
Cu 10 to 70 mm²
Mechanical durability
20,000 operations
Mounting type
Base mounting
Dimensions (H × W × D)
130 × 123 × 73 mm
Weight
approx. 0.9 kg
HS Code
85365080
Country of Manufacture
Finland
Poles
3-pole
Frequently Asked Questions
What is the ABB OTHV125G03P used for?
It is used to safely isolate electrical circuits in industrial power distribution, machinery and renewable energy systems.
Is the operating handle included?
Yes. The OTHV125G03P is supplied as a complete package including the operating handle and adjustable shaft.
What voltage is this switch disconnector designed for?
The switch is designed for applications operating between 800 and 1000 V AC.
What is the rated operational current?
The device has a 125 A rated operational current (AC-21A).
Where is this switch typically installed?
It is commonly installed in industrial switchboards, electrical distribution panels and renewable energy systems requiring reliable manual isolation.
Trusted by Electrical Professionals Worldwide
ABB OTHV switch disconnectors are widely specified by electrical engineers, panel builders and OEM manufacturers for dependable isolation, high reliability and long service life in demanding industrial installations.
Mounting Type
Base mounting
Device Type
Switch Disconnector
Supply Type
AC
Current
125 A
Voltage
800 V
Phase
Three Phase
IP Rating
IP20
Manufacturer
ABB
Series
OTHV
Model
OTHV125G03P
Manufacturer Part Number
1SCA162937R1001
Product type
Switch disconnector
Number of poles
3
Rated operational voltage
800 to 1000 V AC
Rated operational current (AC-21A)
125 A
Rated insulation voltage (Ui)
1000 V
Rated impulse withstand voltage (Uimp)
12 kV
Short-circuit making capacity (Icm)
12 kA
Protection rating
IP20
Connection type
Screw terminals
Cable size
Cu 10 to 70 mm²
Mechanical durability
20,000 operations
Mounting type
Base mounting
Dimensions (H × W × D)
130 × 123 × 73 mm
Weight
approx. 0.9 kg
HS Code
85365080
Country of Manufacture
Finland
Poles
3-pole
No documents available for this product.
UK delivery
Delivery options
Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.
This productLead time on request
Please contact us for a delivery time before you order
Standard delivery
£8 ex VAT · free over £200
UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
Collect from our showroom
Mon–Fri, 8am–5pm
Order and pay online, then collect from our showroom.
Please allow 15–30 minutes after ordering for us to prepare your order.
Northern Ireland, ROI & export
Priced at checkout
We deliver to Northern Ireland, the Republic of Ireland and overseas.
Delivery is calculated at checkout based on your destination.
Orders with mixed availability
Shipped complete
If part of your order is on a lead time, we hold it and send everything together.
Need the in-stock items sooner? Ask us and we can split the delivery.
Business customer returns
Returns & order support
Need to return an item? Find the guidance for your order below, then contact our team before sending anything back.
Stocked items
Request within 30 days
Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.
Items must be unused, in resalable condition and in their original packaging, and returns need our approval first. Return carriage is at your cost, and the original delivery charge is not refunded.
Faulty or damaged items
Tell us as soon as possible
Faulty, damaged on delivery or the wrong product supplied? Contact our team as soon as possible with the details.
We will review the issue and arrange an appropriate resolution under our terms and conditions and your statutory rights.
Made-to-order items
Manufacturer approval needed
Manufactured, configured and special-order products can only be returned with the manufacturer’s approval. Any handling charge is agreed with you when you request the return.
This does not affect claims for faulty goods or items that do not meet the agreed specification.
Let’s get your return sorted.
Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.
The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
