Datasheet > LS7R04002PS00L

LS7R04002PS00L

更新时间： 2023-12-06 20:12:21

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
2页	936K
描述
The Littelfuse LS7R 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. It is a 1500 V dc disconnect for ungrounded systems.

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LS7R04002PS00L 数据手册

Dc Disconnect Switch

LS7R0400

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

-20 to 50 °C (-4 to 122 °F)

Insulation Voltage Rating Ui 1500 V dc

Impulse Withstand Voltage

Rating Uimp

Operational Current

DC21B Rating

12 kV

Description

The Littelfuse LS7R 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. It is a 1500 V dc disconnect for

ungrounded systems.

400 A / 1500 V dc

Other Characteristics

Power Losses at 400 A

Maximum Busbar

Connection Range

Number of Circuits/Switches

Tightening Torque

Material

21.15 watts

2 bars x 4 mm (.16”) H x 32 mm (1.25”) L

159 lbf-in (18 N

Plastic housing

Silver-plated copper terminals

Screws

UL 94 V-0

UL 98B & UL 94

UL Guide WHVA

UL Listed E511898

NEC Article 690 for PV systems

IEC-60947-3

EAC

RoHS compliant

REACH

Spain

Features/Beneﬁts

ꢁꢀ

•m) for M10 screw

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

ꢁꢀ

bridging links (jumpers) to lower heat dissipation for

increased energy efﬁciency, decreased installation and

maintenance time, and reduced footprint for added

design ﬂexibility

ꢁꢀ

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

degradation (from increased electrical resistance over

time) to ensure consistent behavior across the

product’s lifespan

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

ꢁꢀ

Environmental

Country of Origin

Recommended Accessories

ꢁꢀ

Panel Handle with Shaft LDSSA11

For closed panel door access

Applications

ꢀ

ꢁꢀ

ꢀ

ꢁꢀ

Direct Handle LDSSI11

For open panel door access

Auxiliary Contact LDMAU11

Remotely indicates switch position

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

ꢀ

ꢁꢀ

Spacers LDMEL11

ꢁꢀ

Increase distance between switch and mounting plate

ꢁꢀ

Electrical vehicle chargers

Littelfuse.com/DcDisconnectSwitch

Rev: 041122

1 of 2

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