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Guangxi Dikai Sci&Tech Co., Ltd.

Arrestor, Intrinsic Safety Arrestor, Intrinsic Safety Type Arrestor manufacturer / supplier in China, offering Intrinsic Safety Type Explosion-Proof DC 24V 48V Signal Surge Arrestor, PV Solar SPD DC 600V 1200V 1500V 3p Lightning Arrester, PV Solar SPD DC 600V 1200V 1500V 3p Surge Arrester and so on.

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Supplier Homepage Product Signal Surge Protector Explosion-Proof Lightning Protector Intrinsic Safety Type Explosion-Proof DC 24V 48V Signal Surge Arrestor

Intrinsic Safety Type Explosion-Proof DC 24V 48V Signal Surge Arrestor

FOB Price: US $15-18 / Piece
Min. Order: 5 Pieces
Min. Order FOB Price
5 Pieces US $15-18/ Piece
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Port: Shenzhen, China
Production Capacity: 5, 000PCS/Month
Payment Terms: L/C, T/T, Western Union, Money Gram, Cash

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Basic Info
  • Model NO.: DKa-nDCp 24 SPD
  • Structure: Protective Gap
  • Application: AC/DC System
  • Operation Voltage: Low Voltage
  • Material: ZnO
  • Brand: Dikai
  • Maximum Continue Working Voltag: 28V DC
  • Maximum Discharging Current(8/20): 10ka
  • Respond Time: Less Than 1ns
  • Housing Material: Enhanced Explosion-Proof Pull Box
  • Breaking Capacity: Imax=10ka
  • Transport Package: Carton
  • Origin: Guangxi, China
  • Type: Signal Type Arrester
  • Installation: Parallel Arrester
  • Size: Small
  • Shape: Cuboid
  • Certification: ROHS, ISO9001, Ce
  • Nominal Voltage: 24V DC
  • Rated Load Currents: 0.5A
  • Line-Line Voltage Protection Level up: Less Than 36V
  • Insertion Loss: 0.5dB
  • Housing Protection Class: IP67
  • Trademark: Dikai
  • Specification: Iec61434, ISO9001-2008
  • HS Code: 8536300000
Product Description
Product Description
Explosion-proof signal SPD is designed according to the IEC standard. This product is suitable for analog signal/switch value signal/data signal/communication line/telemetry and remote signal instruments and meters in any voltage level, and also suitable for the lightning protection of PLC cabinet. It is also widely used for electrical power system, chemical factory, cements factory, LPG station, oil refinery, sewage treatment, petrochemical, aviation etc.
The connector mode of this product is standard screw station type, it can protect 1-2 pairs communication lines.

Intrinsic Safety Type Explosion-Proof DC 24V 48V Signal Surge Arrestor
Technical Parameter
Item No.DKa-nDCp 12DKa-nDCp 24DKa-nDCp 48
Nominal Voltage DC (V)DC 24VDC 24VDC 24V
Maximum Continue Working Voltage (V)DC 28VDC 28VDC 28V
Rated Load Currents (A)0.5A0.5A0.5A
Nominal Discharging Currents per line (8/20)5kA5kA5kA
Maximum Discharging Currents (8/20us)10kA10kA10kA
Line-line Voltage Protection level Up (V)≤36V≤36V≤36V
Line-PE Voltage Protection level Up (V)≤150V≤150V≤150V
Respond Time≤1ns≤1ns≤1ns
Insertion Loss (dB)0.5dB0.5dB0.5dB
Working Temperature-40ºC~+80ºC-40ºC~+80ºC-40ºC~+80ºC
Connector Type2P Screw Connect Terminal2P Screw Connect Terminal2P Screw Connect Terminal
Protection Core1-2 1-2 1-2
Material of ShellAnilinoplastEnhanced Explosion-proof Pull BoxEnhanced Explosion-proof Pull Box
Protection Level of ShellIP40IP67IP67
Weight(kg)0.31kg0.32kg0.32kg
Dimension (mm)53X45X20mm140X45X38mm140X45X38mm
Application Scope
1. Industrial Control System: analog signal line, switch value signal line, data signal line, communication line.
2. Petrochemical System: analog signal line, switch value signal line, communication line.
3. Security System: control signal line, communication line.
4. Other Control System: telemetry line, remote control line, communication line.


About Dikai Compay
 -More than 26 years specialized.
-25,000 square metres industrial park.
-More than 100,000 cases of lightning protection project services.
-Five series lightning protection products, more than 160 items.
-ISO ,OHSAS & CE certificated.
-CNAS National Laboratory.
Intrinsic Safety Type Explosion-Proof DC 24V 48V Signal Surge ArrestorIntrinsic Safety Type Explosion-Proof DC 24V 48V Signal Surge Arrestor
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Ms. Sophia Huang
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