Datasheet > DCNHR50QF48

DCNHR50QF48

更新时间： 2024-11-06 14:56:27

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
6页	592K
描述
The DCNHR Series 900V Max High-Voltage DC Contactor Relay is normally open with a low-power coil i

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DCNHR50QF48 数据手册

DCNHR Series

900V DC Max Contactor Relays

Speciﬁcations

Max Voltage Rating (V DC):

900

Current Rating Continuous (A): 20-300

Coil Voltage Rating (V DC):

Ingress Protection:

12, 24, 48, 9~36

20-100: IP 67

150-300: Main contacts IP67

PWM circuit IP54

Operating Temperature (°C):

-40 to +85

Applications

• Battery electric vehicles

• Hybrid electric vehicles

• Electric maintenance vehicles

• Industrial applications

DCNHR

Description

The DCNHR Series 450V High-Current High-Voltage

DC Contactor Relay is a normally open (also known

as monostable) relay with a resin body for corrosion

resistance in harsh automotive environments. Versions

are available with a pulse width modulation (PWM) coil

to reduce power for keeping the contacts closed. Sealed

contacts help ensure there is no leakage of electrical arc

for safety. The high-current relay’s permanent magnets

blow out the magnetic ﬁeld horizontally to achieve a rapid

extinguishing of the DC arc.

Features and Beneﬁts

• Available with 20A to 300A contact switching capability

• Normally open relay design

• Resin housing provides corrosion resistance in harsh

automotive environments

• Sealed contacts with no leakage of electrical arc for

maximum safety

• Built-in energy-saving coil to reduce the coil holding power

consumption

The DCNHR Series contactor relay is available for 20 A

to 300 A contact switching as well as with and without

polarized contacts to suit the polarity of your application.

• RoHS compliant

• Available with mechanically linked auxiliary contacts

Web Resources

Download 2D print, installation guide and technical

resources at: littelfuse.com/DCNHR

Electrical Diagram

+A1

RED

-A2

PCBA

RED

BLACK

RED

BLACK

DCNHRXXXNFA

DCNHRXXXMFA

DCNHRXXXPFA

+A1

RED

-A2

+A1

-A2

PCBA

BLACK

DCNHRXXXQFXX

DCNHRXXXPFXX

DCNHRXXXQFA

Littelfuse.com

120922-A

12 3 4 5 6

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