Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

MERSEN Solar Fuse: DCT Series, Fast-Acting, 12 A - Fast-Acting Cylindrical Fuses
MERSENFast-Acting Cylindrical Fuses

MERSEN Solar Fuse: DCT Series, Fast-Acting, 12 A

The MERSEN DCT Series Solar Fuse is a fast-acting cylindrical fuse rated at 12 A and 1,000 V DC, with AC/DC voltage compatibility (MPN DCT12-2). This fuse is designed for overcurrent protection in solar applications.

SKU 3G-OTH-26557

Also listed as: DCT122 · DCT12 2

Brand
MERSEN
Item
Solar Fuse: DCT Series, Fast-Acting, 12 A
Category
Fast-Acting Cylindrical Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MERSEN
Manufacturer Part Number
DCT12-2
Series
DCT
Voltage Compatability
AC/DC

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN DCT Series Solar Fuse is a fast-acting cylindrical fuse rated at 12 A and 1,000 V DC, with AC/DC voltage compatibility (MPN DCT12-2). This fuse is designed for overcurrent protection in solar applications.

Frequently Asked Questions

What is the MERSEN DCT12-2 solar fuse used for?

The MERSEN DCT12-2 is a fast-acting cylindrical fuse rated 12 A and 1,000 V DC, designed for overcurrent protection in solar photovoltaic systems. It safeguards combiner boxes, inverters, and panel strings from fault currents, ensuring reliable DC circuit protection in renewable energy installations.

What are the specifications of the MERSEN DCT Series fuse?

The MERSEN DCT Series fuse, model DCT12-2, is a fast-acting cylindrical fuse with a 12 A current rating and 1,000 V DC voltage rating. It offers AC/DC voltage compatibility and is part of the DCT series specifically engineered for solar overcurrent protection applications.

Where to buy MERSEN DCT12-2 solar fuses worldwide?

3G Electric supplies the MERSEN DCT12-2 solar fuse worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this fast-acting cylindrical fuse for solar overcurrent protection.

How to select the right MERSEN solar fuse for my system?

Select a MERSEN solar fuse like the DCT12-2 by matching its voltage rating (1,000 V DC) and current rating (12 A) to your system's maximum voltage and continuous current. Ensure the fuse is fast-acting for sensitive solar electronics. Consult your system design specifications and local electrical codes for proper coordination.

Used in

Common applications for MERSEN
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

MERSEN Products

3G Electric supplies MERSEN fast-acting cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Fast-acting cylindrical fuse from the DCT Series, rated 10 A and 1000 V DC with AC/DC voltage compatibility. Designed for overcurrent protection in photovoltaic systems, including solar arrays, combiner boxes, and inverters
MERSEN
Fast-acting cylindrical fuse from the DCT Series, rated 10 A and 1000 V DC with AC/DC voltage compatibility. Designed for overcurrent protection in photovoltaic systems, including solar arrays, combiner boxes, and inverters
Solar Fuse: DCT Series, Fast-Acting, 25 A, 1,000 V DC (MPN DCT25-2)
MERSEN
Solar Fuse: DCT Series, Fast-Acting, 25 A, 1,000 V DC (MPN DCT25-2)
Fast-acting cylindrical fuse rated at 20 A and 1000 V DC, with AC/DC voltage compatibility. Designed for overcurrent protection in photovoltaic systems, including inverters, combiner boxes, and panel strings
MERSEN
Fast-acting cylindrical fuse rated at 20 A and 1000 V DC, with AC/DC voltage compatibility. Designed for overcurrent protection in photovoltaic systems, including inverters, combiner boxes, and panel strings
Fast-acting cylindrical fuse rated 2 A and 1000 V DC with AC/DC voltage compatibility. Provides overcurrent protection in photovoltaic systems, including solar panel combiner boxes and inverters
MERSEN
Fast-acting cylindrical fuse rated 2 A and 1000 V DC with AC/DC voltage compatibility. Provides overcurrent protection in photovoltaic systems, including solar panel combiner boxes and inverters
Fast-acting cylindrical fuse rated 1 A and 1000 V DC with AC/DC voltage compatibility. Provides overcurrent protection in DC circuits such as combiner boxes, inverters, and battery banks. Suitable for solar photovoltaic systems and other renewable energy installations
MERSEN
Fast-acting cylindrical fuse rated 1 A and 1000 V DC with AC/DC voltage compatibility. Provides overcurrent protection in DC circuits such as combiner boxes, inverters, and battery banks. Suitable for solar photovoltaic systems and other renewable energy installations
Solar Fuse: DCT Series, Fast-Acting, 30 A, 1,000 V DC (MPN DCT30-2)
MERSEN
Solar Fuse: DCT Series, Fast-Acting, 30 A, 1,000 V DC (MPN DCT30-2)

More from MERSEN

View all MERSEN parts
Fast-acting cylindrical fuse rated 1 A and 250 V AC, with a body size of 1/4 in x 1 1/4 in. Provides overcurrent protection for sensitive equipment such as control circuits, instrumentation, and power supplies, where rapid interruption of fault currents is required
MERSEN
Fast-acting cylindrical fuse rated 1 A and 250 V AC, with a body size of 1/4 in x 1 1/4 in. Provides overcurrent protection for sensitive equipment such as control circuits, instrumentation, and power supplies, where rapid interruption of fault currents is required
Fast-acting cylindrical fuse rated 1.6 A, 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and machinery where rapid response to short circuits is required
MERSEN
Fast-acting cylindrical fuse rated 1.6 A, 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and machinery where rapid response to short circuits is required
Class J cylindrical-body fast-acting fuse rated 6 A, 600 V AC, and 300 V DC. Provides overcurrent protection in industrial electrical circuits such as motor control centers, panelboards, and branch circuits where rapid response to short circuits is required
MERSEN
Class J cylindrical-body fast-acting fuse rated 6 A, 600 V AC, and 300 V DC. Provides overcurrent protection in industrial electrical circuits such as motor control centers, panelboards, and branch circuits where rapid response to short circuits is required
Fast-acting cylindrical fuse rated 2 A and 250 V AC, with dimensions of 1/4 in x 1 1/4 in. Provides overcurrent protection in industrial equipment, control panels, and power supplies where rapid response to short circuits is required
MERSEN
Fast-acting cylindrical fuse rated 2 A and 250 V AC, with dimensions of 1/4 in x 1 1/4 in. Provides overcurrent protection in industrial equipment, control panels, and power supplies where rapid response to short circuits is required
Fast-acting, non-indicating, single-element cylindrical fuse with melamine body. Rated 1.25 A, 600 V AC. Size 13/32 in x 1 1/2 in. Used for branch circuit protection in electrical distribution systems. Compatible with USFMCC fuse block series
MERSEN
Fast-acting, non-indicating, single-element cylindrical fuse with melamine body. Rated 1.25 A, 600 V AC. Size 13/32 in x 1 1/2 in. Used for branch circuit protection in electrical distribution systems. Compatible with USFMCC fuse block series
Class J cylindrical-body fast-acting fuse rated 25 A, 600 V AC, 300 V DC. Provides overcurrent protection in industrial power distribution systems, motor control centers, panelboards, and switchgear where rapid short-circuit clearing is required
MERSEN
Class J cylindrical-body fast-acting fuse rated 25 A, 600 V AC, 300 V DC. Provides overcurrent protection in industrial power distribution systems, motor control centers, panelboards, and switchgear where rapid short-circuit clearing is required
Fast-acting cylindrical fuse rated 7 A, 250 V AC, with non-indicating design. Dimensions 1/4 in x 1 1/4 in. Equivalent to ABC and GAB series. Used for overcurrent protection in control panels, power supplies, and industrial automation systems
MERSEN
Fast-acting cylindrical fuse rated 7 A, 250 V AC, with non-indicating design. Dimensions 1/4 in x 1 1/4 in. Equivalent to ABC and GAB series. Used for overcurrent protection in control panels, power supplies, and industrial automation systems
Class H fast-acting cylindrical fuse rated 25 A and 600 V AC. Non-indicating design from the RFS Series. Provides overcurrent protection in industrial electrical circuits such as motor control centers, panelboards, and branch circuits where rapid response to short circuits is required
MERSEN
Class H fast-acting cylindrical fuse rated 25 A and 600 V AC. Non-indicating design from the RFS Series. Provides overcurrent protection in industrial electrical circuits such as motor control centers, panelboards, and branch circuits where rapid response to short circuits is required