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, 20 A - Fast-Acting Cylindrical Fuses
MERSENFast-Acting Cylindrical Fuses

MERSEN Solar Fuse: DCT Series, Fast-Acting, 20 A

The MERSEN DCT Series Solar Fuse is a fast-acting cylindrical fuse rated at 20 A and 1,000 V DC, with AC/DC voltage compatibility. This model, MPN DCT20-2, is designed for overcurrent protection in solar applications.

SKU 3G-OTH-26281

Brand
MERSEN
Item
Solar Fuse: DCT Series, Fast-Acting, 20 A
Category
Fast-Acting Cylindrical Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

MERSEN
Manufacturer Part Number
DCT20-2
Series
DCT
Voltage Compatability
AC/DC
View Full Spec Sheet

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 20 A and 1,000 V DC, with AC/DC voltage compatibility. This model, MPN DCT20-2, is designed for overcurrent protection in solar applications.

Frequently Asked Questions

What is the MERSEN DCT Series Solar Fuse used for?

The MERSEN DCT Series Solar Fuse (MPN DCT20-2) is a fast-acting cylindrical fuse rated at 20 A and 1,000 V DC. It provides overcurrent protection in solar photovoltaic systems, safeguarding inverters, combiner boxes, and panel strings from fault currents.

What are the specifications of the MERSEN DCT20-2 fuse?

The MERSEN DCT20-2 is a fast-acting cylindrical fuse from the DCT Series. It is rated at 20 A and 1,000 V DC, with AC/DC voltage compatibility. The brand is MERSEN, and the manufacturer part number is DCT20-2. It is designed for solar overcurrent protection.

Where to buy MERSEN DCT20-2 solar fuses worldwide?

You can source the MERSEN DCT20-2 solar fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct MERSEN DCT solar fuse for your system?

To select the correct MERSEN DCT solar fuse, match the voltage rating (1,000 V DC) and current rating (20 A) to your system's maximum voltage and expected fault current. Ensure the fuse is fast-acting for sensitive solar electronics. Consult the system design specifications 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

Similar products

Matched by specification & description
Solar Fuse: DCT Series, Fast-Acting, 10 A, 1,000 V DC (MPN DCT10-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
MERSEN
Solar Fuse: DCT Series, Fast-Acting, 10 A, 1,000 V DC (MPN DCT10-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
Solar Fuse: DCT Series, Fast-Acting, 2 A, 1,000 V DC (MPN DCT2-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
MERSEN
Solar Fuse: DCT Series, Fast-Acting, 2 A, 1,000 V DC (MPN DCT2-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
Solar Fuse: DCT Series, Fast-Acting, 1 A, 1,000 V DC (MPN DCT1-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
MERSEN
Solar Fuse: DCT Series, Fast-Acting, 1 A, 1,000 V DC (MPN DCT1-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
Solar Fuse: DCT Series, Fast-Acting, 25 A, 1,000 V DC (MPN DCT25-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
MERSEN
Solar Fuse: DCT Series, Fast-Acting, 25 A, 1,000 V DC (MPN DCT25-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
Solar Fuse: DCT Series, Fast-Acting, 30 A, 1,000 V DC (MPN DCT30-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
MERSEN
Solar Fuse: DCT Series, Fast-Acting, 30 A, 1,000 V DC (MPN DCT30-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
Solar Fuse: DCT Series, Fast-Acting, 15 A, 1,000 V DC (MPN DCT15-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
MERSEN
Solar Fuse: DCT Series, Fast-Acting, 15 A, 1,000 V DC (MPN DCT15-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.

More from MERSEN

View all MERSEN parts
MERSEN Fuse: GSD Series, Fast-Acting, 2 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN GSD2). Key specifications — Brand: MERSEN; Series: GSD; Equivalent Fuse Series: GDA, S501, 216 & GSD.
MERSEN
MERSEN Fuse: GSD Series, Fast-Acting, 2 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN GSD2). Key specifications — Brand: MERSEN; Series: GSD; Equivalent Fuse Series: GDA, S501, 216 & GSD.
Solar Fuse: HP15MxxR Series, Gen Purpose, 15 A, 1.5 kV DC (MPN HP15M15R). Key specifications — Series: HP15MxxR; Brand: MERSEN.
MERSEN
Solar Fuse: HP15MxxR Series, Gen Purpose, 15 A, 1.5 kV DC (MPN HP15M15R). Key specifications — Series: HP15MxxR; Brand: MERSEN.
MERSEN Fuse: SBS Series, Midget, Fast-Acting, 600 mA, 600 V AC, 13/32 in x 1 3/8 in, Non-Indicating (MPN SBS8/10). Key specifications — attr1287209: SBS; attr211192: MERSEN.
MERSEN
MERSEN Fuse: SBS Series, Midget, Fast-Acting, 600 mA, 600 V AC, 13/32 in x 1 3/8 in, Non-Indicating (MPN SBS8/10). Key specifications — attr1287209: SBS; attr211192: MERSEN.
Solar Fuse: HP15P Series, Gen Purpose, 40 A, 1.5 kV DC (MPN HP15P40). Key specifications — Series: HP15P; Brand: MERSEN.
MERSEN
Solar Fuse: HP15P Series, Gen Purpose, 40 A, 1.5 kV DC (MPN HP15P40). Key specifications — Series: HP15P; Brand: MERSEN.
MERSEN Fuse: GGM Series, Fast-Acting, 2 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GGM2). Key specifications — attr211187: MERSEN; attr1287207: GGM.
MERSEN
MERSEN Fuse: GGM Series, Fast-Acting, 2 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GGM2). Key specifications — attr211187: MERSEN; attr1287207: GGM.
MERSEN Fuse: Class H, RF Series, Fast-Acting, 15 A, 250 V AC, Non-Indicating (MPN RF15). Key specifications — Manufacturer Part Number: RF15; Brand: MERSEN; Series: RF.
MERSEN
MERSEN Fuse: Class H, RF Series, Fast-Acting, 15 A, 250 V AC, Non-Indicating (MPN RF15). Key specifications — Manufacturer Part Number: RF15; Brand: MERSEN; Series: RF.
Solar Fuse: DCT Series, Fast-Acting, 12 A, 1,000 V DC (MPN DCT12-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
MERSEN
Solar Fuse: DCT Series, Fast-Acting, 12 A, 1,000 V DC (MPN DCT12-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
MERSEN Fuse: ATM Series, Midget, Fast-Acting, 500 mA, 600 V AC, 600 V DC, 13/32 in x 1 1/2 in (MPN ATM1/2). Key specifications — attr1287209: ATM; attr211192: MERSEN.
MERSEN
MERSEN Fuse: ATM Series, Midget, Fast-Acting, 500 mA, 600 V AC, 600 V DC, 13/32 in x 1 1/2 in (MPN ATM1/2). Key specifications — attr1287209: ATM; attr211192: MERSEN.