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MERSEN FUSE H 1209UP BCKUP T292-56/20 45DB120V20PT
MPN: S1000125
Alt. SKU: 45DB120V20PT
Special Price
£79.94
£66.62
Regular Price
£104.06
Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T4 12kVAC IEC 20A d56mm, L292mm With Striker CPD 80N 45DB120V20PT?
This high-performance DIN back-up fuse is engineered for reliable transformer protection, designed to IEC standards for 12kVAC applications and rated at 20A. Its robust Limitor® VDE T4 construction, with a 56mm diameter and 292mm length, ensures compatibility with industrial installations demanding stringent safety and continuity requirements.
Featuring a high-precision striker (CPD 80N 45DB120V20PT), it provides dependable fault signalling and trip coordination, essential for optimised system uptime. The fuse is ideal for technical buyers seeking proven overcurrent protection, rapid fault clearance, and secure integration into modern high voltage networks.
Technical Specifications
- Item number: S1000125
- Catalogue No: 45DB120V20PT
- Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T4 12kVAC IEC 20A d56mm, L292mm With Striker CPD 80N
- EAN/UPC Code: 3605340452983
- Rated voltage AC IEC: 12 kV
- Ampere Rating: 20 A
- AC or DC: AC
- Fuse Size: d=56mm L=292mm
- Mounting: Clip
- Clearing I2t At Rated Voltage: 3.7 kA²s
- AC Max I.R./Breaking Capacity: I1: 63 kA
- Min Interrupting Rating (MBC): 73 A
- Design Details: VDE T4
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Cylindrical
- Product Diameter: 56 mm
- Product Length: 358 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 1.6 kg
- Sell Pack Width: 70 mm
- Sell Pack Length: 370 mm
- Sell Pack Height: 65 mm
- Product group: High Voltage IEC Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.6 kg
- Power Dissipation at Rated Current Value: 38 W
Product Code: S1000125
Key Benefits
- Reliable transformer protection with IEC 12kVAC rating
- Robust Limitor® VDE T4 design ensures durability and safety
- High breaking capacity of 63 kA for effective fault interruption
- Integrated striker indication system for clear fault signalling
- Silver-plated copper terminals for excellent conductivity and corrosion resistance
- Ceramic insulating body for high thermal and mechanical strength
- Compact size with clip mounting for easy installation and replacement
Compatibility
This fuse is compatible with transformer protection systems designed for 12 kV AC networks. It fits DIN back-up fuse holders and is suitable for use in industrial and utility applications requiring Limitor® VDE T4 fuse types. The cylindrical silver-plated copper terminals ensure secure connection with standard IEC fuse bases.
Applications
- Transformer protection in medium voltage distribution networks
- Industrial electrical installations requiring high voltage fuse protection
- Power generation and distribution substations
- Backup protection for circuit breakers and switchgear
- Fault detection and signalling in electrical power systems
Frequently Asked Questions
What is the rated voltage and current of this fuse?
The fuse is rated for 12 kV AC voltage and 20 A current, suitable for medium voltage transformer protection.
Does this fuse include an indication system?
Yes, it features a striker type indication system for clear fault signalling.
What is the breaking capacity of this fuse?
The maximum breaking capacity is 63 kA, ensuring effective interruption of high fault currents.
What materials are used in the fuse construction?
The fuse body is made of ceramic for insulation, with silver-plated copper cylindrical terminals for reliable electrical connection.
Is this fuse compatible with standard DIN fuse holders?
Yes, it is designed for clip mounting compatible with DIN back-up fuse holders.
Common Search Terms
High voltage fuse, DIN back-up fuse, transformer fuse 12kV, Limitor VDE T4 fuse, 20A IEC fuse, striker indication fuse, ceramic body fuse, medium voltage protection, industrial electrical fuse, high breaking capacity fuse
| Manufacturer Part Number | S1000125 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340452983 |
| Height | 358mm |
| Width | 56mm |
| Depth | 56mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | 45DB120V20PT |
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