Why Choose the Mersen Z300839 Industrial Fuse Component?
The Mersen Z300839 is an industrial fuse and electrical protection component intended for use in compatible power distribution, power conversion and control systems. Manufactured by Mersen, it provides a clearly identifiable replacement option for engineers, OEM manufacturers and maintenance professionals working with equipment that specifies the Z300839 manufacturer reference.
Correct fuse selection is essential for protecting industrial circuits and valuable electrical equipment against excessive current and short-circuit conditions. Using the specified Mersen component helps preserve the intended protection performance of the installation while supporting dependable operation and effective preventative maintenance.
The Z300839 part number enables accurate identification during procurement, servicing and spare-parts management. The rated current, voltage, fuse class, breaking capacity, terminal arrangement and physical dimensions should be verified against the existing component and the latest Mersen technical documentation before installation.
Clearly identified by manufacturer reference Z300839.
Suitable for compatible industrial power and control equipment.
Supports protection against excessive current and short circuits.
Useful for planned maintenance and critical spare-parts inventories.
Helps simplify component identification and procurement.
Key Features
Mersen branded fuse component.
Manufacturer part number: Z300839.
Designed for professional electrical protection applications.
Suitable for compatible fuse assemblies and industrial equipment.
Supports maintenance, repair and replacement requirements.
Traceable manufacturer reference for inventory management.
Suitable for industrial, commercial and OEM installations.
Specification verification and professional installation recommended.
Technical Specifications
Manufacturer: Mersen
Model: Z300839
Manufacturer part number: Z300839
Product type: Industrial fuse component
Product category: Electrical protection
Application: Industrial circuit and equipment protection
Brand compatibility: Mersen
Rated current: Confirm from the product marking or manufacturer data
Rated voltage: Confirm from the product marking or manufacturer data
Fuse characteristic: Confirm before installation
Breaking capacity: Refer to official Mersen technical documentation
Mounting type: Confirm against the existing fuse assembly
Terminal configuration: Confirm against the existing component
Installation: By suitably qualified personnel
Dependable Protection for Industrial Electrical Systems
Industrial fuse components are designed to interrupt excessive electrical current before it can damage cables, drives, power supplies, semiconductor devices and other connected equipment. The selected fuse must provide the correct voltage rating, current rating, operating characteristic and breaking capacity for the circuit.
The Mersen Z300839 provides a traceable replacement reference for compatible installations. Before fitting the component, the circuit should be safely isolated and all electrical ratings, markings, dimensions and connection details should be checked against the existing fuse and equipment documentation.
Typical Applications
Industrial electrical protection systems.
Power distribution and switchgear equipment.
Motor control and variable speed drive systems.
Industrial converters, rectifiers and power supplies.
Automation machinery and electrical control panels.
OEM maintenance and replacement-parts inventories.
Technical Specifications
Item number
Z300839
Catalogue No
PC70UD13C200PA
Description
Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 200A Striker Plain Blades
EAN/UPC Code
3605340443776
Rated voltage AC UL
1300 V
Rated voltage AC IEC
1250 V
Ampere Rating
200 A
AC or DC
AC
Speed/Characteristic
aR
Fuse Size
72
Mounting
Clip
Clearing I2t At Rated Voltage
38000 A²s
Melting I2t
4730 A²s
AC Max I.R./Breaking Capacity
I1: 126 kA
Indication System
Yes
Indication System Type
Striker
Connection/Terminal Material
Silver-Plated Copper
Connection/Terminal Type
Plain Blades
Product Width
39.8 mm
Product Length
123.4 mm
Product Height
49.5 mm
Sell Pack Quantity
3 EA
Sell Pack Weight
1.092 kg
Sell Pack Width
140 mm
Sell Pack Length
143 mm
Sell Pack Height
65 mm
Product group
Semiconductor Protection Fuses
Body/Insulating Material
Ceramic
Product Weight
0.364 kg
Power Dissipation at Rated Current Value
56 W
HS Code
85351000
Frequently Asked Questions
What is the Mersen Z300839?
The Mersen Z300839 is an industrial fuse and electrical protection component identified by the manufacturer part number Z300839 for use in compatible equipment.
How can I confirm that the Z300839 is suitable for my equipment?
Compare the complete part number, electrical ratings, physical dimensions and terminal arrangement with the existing component and the applicable equipment documentation.
Why must the fuse specifications match the circuit?
The current rating, voltage rating, fuse characteristic and breaking capacity must be appropriate for the circuit to provide safe and effective electrical protection.
Who should install the Mersen Z300839?
The component should be installed by a suitably qualified electrical engineer or maintenance technician following appropriate isolation, testing and safety procedures.
Where is the Mersen Z300839 typically used?
It may be used in compatible industrial control panels, power distribution systems, power conversion equipment, machinery and other professional electrical installations.
Trusted by Industrial Electrical Professionals
Mersen electrical protection components are selected by engineers, OEM manufacturers and maintenance professionals to support dependable circuit protection and reliable industrial equipment operation.
Item number
Z300839
Catalogue No
PC70UD13C200PA
Description
Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 200A Striker Plain Blades
EAN/UPC Code
3605340443776
Rated voltage AC UL
1300 V
Rated voltage AC IEC
1250 V
Ampere Rating
200 A
AC or DC
AC
Speed/Characteristic
aR
Fuse Size
72
Mounting
Clip
Clearing I2t At Rated Voltage
38000 A²s
Melting I2t
4730 A²s
AC Max I.R./Breaking Capacity
I1: 126 kA
Indication System
Yes
Indication System Type
Striker
Connection/Terminal Material
Silver-Plated Copper
Connection/Terminal Type
Plain Blades
Product Width
39.8 mm
Product Length
123.4 mm
Product Height
49.5 mm
Sell Pack Quantity
3 EA
Sell Pack Weight
1.092 kg
Sell Pack Width
140 mm
Sell Pack Length
143 mm
Sell Pack Height
65 mm
Product group
Semiconductor Protection Fuses
Body/Insulating Material
Ceramic
Product Weight
0.364 kg
Power Dissipation at Rated Current Value
56 W
HS Code
85351000
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...
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...