Approvals & Standards
- IEC 60269-4 Compliance
- GB/T 13539.4-2016
Key features & benefits
Mersen DC offers provide a very high performant protection for railway power and auxiliary circuits. Mersen DC Semiconductor fuse-links were developed to provide improved performance required by today's new DC equipment. These fuse-links are typically operated at more elevated temperature than other fuse type, have lower I²t to minimize damage to protected components on short circuits, lower watt loss and longer life.
More specificationsApplications
- Protection of inverters
- Protection of motor drives
- Protection of UPS systems
- Protection of similar 1200V or less equipments
- Railway power and auxiliary circuits
- Battery protection in EES up to 1500 VDC
Documents & Resources
Datasheet
Compliance
Product Specifications
Item Number
H079449
Catalog number
D272SG120V840QF
Description
Square Body High-Speed Fuse Protistor® Size 2x72 aR 1200VDC IEC 840A With Striker
EAN/UPC code
3605340034158
Rated voltage DC IEC
1200 V
Rated current
840 A
ROHS Compliant
Yes
AC or DC
DC
Speed/Characteristic
aR
Fuse size
2x72
Mounting
Bolted
Clearing I2t At Rated Voltage
880 kA²s
Melting I2t
158 kA²s
Max. Rated Breaking Capacity DC
100 kA
Power Dissipation at Rated Current Value
275 W
Design Details
SRG
Indication System
Yes
Indication System Type
Striker
Contact materials
Copper
Connection/Terminal Type
L Brackets
Body/Insulating Material
Ceramic
Product Weight
2.4 kg
Product Width
60 mm
Product Length
163 mm
Product Height
162.7 mm
Sell Pack Quantity
1 EA
Sell Pack Weight
2.4 kg
Sell Pack Width
170 mm
Sell Pack Length
200 mm
Sell Pack Height
90 mm