Protistor® size 70 aR, 1200VDC (IEC)

Approvals & Standards

IEC 60269-1 and IEC 60269-4 Compliance

DC UL recognized component

UL file E76491

- 20A-215A, @1200VDC, L/R 10ms, 100KA

- 20A-215A, @1500VDC, L/R 1-3ms, 100KA

GB/T 13539.4-2016

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 watts loss and longer life.

Key features & benefits

Extremely fast acting
Excellent cycling capability
Very low I²t
Worldwide acceptability
Current Limiting
Superior Cycling Ability

Applications

Protection of inverters
Protection of motor drives
Protection of UPS systems
Railway power and auxiliary circuits
ESS Battery Rack protection up to 1500 VDC

Technical Specifications

Amperage Range	20 ... 215 A
Speed/Characteristic	aR
CE Conformity	1
Reach Compliant	Yes

Reference Finder

12 references in this series

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Item number	Ampere rating	Fuse size	Clearing I2t At Rated Voltage	Indication System	Product weight
A079442 - D70SF120V125QF See product	125A	70	9.2kA²s	Yes	0.68kg
B079443 - D70SF120V160QF See product	160A	70	19.2kA²s	Yes	0.68kg
C076638 - D70SF120V20QF See product	20A	70	0.18kA²s	Yes	0.68kg
C079444 - D70SF120V200QF See product	200A	70	45kA²s	Yes	0.68kg
D079445 - D70SF120V215QF See product	215A	70	55kA²s	Yes	0.68kg
S079435 - D70SF120V25QF See product	25A	70	0.18kA²s	Yes	0.68kg
T079436 - D70SF120V32QF See product	32A	70	0.35kA²s	Yes	0.68kg
V079437 - D70SF120V40QF See product	40A	70	0.58kA²s	Yes	0.68kg
W079438 - D70SF120V50QF See product	50A	70	1.03kA²s	Yes	0.68kg
X079439 - D70SF120V63QF See product	63A	70	1.6kA²s	Yes	0.68kg