Dc Disconnect Switch
LS6R0400 SERIES
1500 V Dc • 400 A
REACH
Specifications
UL 98B Standards
Total Voltage Rating
Amperage Rating
SCCR Rating
1500 V dc
400 A
10 kA
Ambient Temperature
IEC 60947-3 Standards
Insulation Voltage Rating Ui 1500 V dc
Impulse Withstand Voltage
-30 to 50 °C (-22 to 122 °F)
Type CB
Dc Ungrounded
Type 4D
Dc Grounded with handle attached
Rating Uimp
Operational Current
DC21B Rating
Other Characteristics
Power Losses at 400 A
Maximum Busbar
Connection Range
Number of Circuits/Switches
Mechanical Operations
Tightening Torque
Material
12 kV
400 A/1500 V dc
Description
The Littelfuse LS6R dc series is an energy-efficient, compact
disconnect switch that quickly breaks or resumes the flow
of current safely to prevent shock hazards when trying to
isolate circuits or repair systems.
10.58 watts
2 bars x 4 mm (.16”) H x 32 mm (1.26”) L
1
8,000
212 lbf-in (24 N
Plastic housing
Silver-plated copper terminals
Screws
Features/Benefits
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•m)
The patented operation system minimizes damage
caused by arcs upon disconnection to increase product
reliability and longevity
Streamline design eliminates the need for external
Base Mounting
Flammability Rating
Approvals
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UL 94 V-0
bridging links (jumpers) to lower heat dissipation for
increased energy efficiency, decreased installation and
maintenance time, and reduced footprint for added
design flexibility
UL 98B & UL 94
UL Guide WHVA
UL Listed E511898
NEC Article 690 for PV systems
IEC-60947-3
CE
EAC
RoHS compliant
REACH
Spain
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High-level disconnection insulation provides a barrier to
stop conduction when switch is in off position for added
safety
The self-cleaning blade contacts eliminate performance
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degradation (from increased electrical resistance over
time) to ensure consistent behavior across the product’s
lifespan
Environmental
Country of Origin
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The internally-located "sandwich-type" 2-contact
symmetrical design mitigates the electromagnetic force
of repulsion to offer enhanced functionality in short-
circuit conditions
Meets UL 94 flammability requirements with self-
extinguishing/non-flammable materials to prevent fires
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Recommended Accessories
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Panel Handle with Shaft LDSSA11
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For closed panel door access
Direct Handle LDSSI11
Applications
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Solar/PV systems: combiner boxes, recombiner boxes
and inverters
Energy storage systems: disconnection of batteries,
containerized batteries
Oil & gas: dc drives
Railway: earthing switches and battery disconnection
UPS: switching and isolation of batteries
Electrical vehicle chargers
For open panel door access
Auxiliary Contact LD5LAU01
Remotely indicates switch position
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Littelfuse.com/DcDisconnectSwitch
© 2022 Littelfuse, Inc.
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