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⚡ CITEL Surge Protection Devices (SPD) – General Overview

CITEL is a global leader in surge protection technology, with over 80 years of specialization in protecting electrical and electronic systems from transient overvoltages caused by lightning, switching operations, and grid disturbances. Their SPDs are engineered for AC power, DC systems, photovoltaics, LED lighting, telecom, and RF applications, and are fully compliant with IEC 61643-11, EN 61643-11, and UL standards.

CITEL’s proprietary VG Technology—based on advanced gas discharge tubes—offers enhanced performance against temporary overvoltages (TOV), making their devices ideal for demanding industrial and infrastructure environments.

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🔩 Core SPD Categories by Application

SPD Type	Application Scope	Typical Use Case
Type 1 (Class B)	Lightning current arresters	Main switchboards, buildings with external LPS
Type 2 (Class C)	Surge arresters	Sub-distribution boards, control panels
Type 3 (Class D)	Fine protection	Terminal devices, data lines, telecom ports

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🏆 Best-Selling & Common Series

Series	Type	Key Features	Typical Deployment
DAC1-13VG	Type 1+2+3	VG Technology, high discharge capacity	MSB, industrial zones, lightning-prone areas
DAC1-13	Type 1+2	Compact, modular, DIN rail mount	Commercial DB boards, control cabinets
DAC50VG / DAC50	Type 2+3 / Type 2	VG variant for TOV resilience, pluggable	SSB, DB, automation panels
DACC / DACF	Type 2	Compact or fuse-integrated options	Residential DB, cost-sensitive installations
DDC / DDCC	Type 1 & 2 DC	DC surge protection for PV systems	Solar combiner boxes, inverter inputs
DS50 / DS60 Series	Type 2 DC	High-performance DC protection	PV arrays, battery storage systems
P8AX / PRC Series	RF Coaxial	Antenna & coaxial line protection	GSM, LTE, 5G, WLAN, IoT networks
MJ8 Series	Type 3 Data	Ethernet, POE, Cat6A protection	CCTV, LAN, telecom switches

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📁 Compliance & Integration Notes

• Standardization: IEC 61643-11, EN 61643-11, UL 1449
• Mounting: DIN rail, flange, inline, and panel mount variants
• Remote Signalling (FS): Available on VG and industrial models
• JKR Approval: Certified for infrastructure projects in Malaysia
• ERP Tagging: Use full model codes with voltage and connector specs (e.g., DS230S-48DC)
• Customs Classification: HS Code 8536.30 – Surge Arresters, Origin France

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🛡️ Deployment Strategy

• Use DAC1-13VG / DAC1-13 at Main Switch Boards (MSB)
• Use DAC50 / DACF / DACC at Sub Switch Boards (SSB) and Distribution Boards (DB)
• Use DDC / DS50 / DS60 for DC and PV systems
• Use MJ8 / P8AX / PRC for data, telecom, and RF interfaces

Models available: 
 

DAC1-13VG-10-275

DAC1-13VG-10-320

DAC1-13VG-11-275

DAC1-13VG-11-320

DAC1-13VG-20-275

DAC1-13VG-20-320

DAC1-13VG-30-275

DAC1-13VG-30-320

DAC1-13VG-31-275

DAC1-13VG-31-320

DAC1-13VG-40-275

DAC1-13VG-40-320

DS250VG-400

DS252VG-300

DS252VG-300/G

DS252VG-400

DS253VG-300

DS253VG-400

DS254VG-300

DS254VG-300/G

DS254VG-400

DAC1-13-10-275

DAC1-13-10-320

DAC1-13-11-275

DAC1-13-11-320

DAC1-13-20-275

DAC1-13-20-320

DAC1-13-30-275

DAC1-13-30-320

DAC1-13-31-275

DAC1-13-31-320

DAC1-13-40-275

DAC1-13-40-320

DS250E-300

DS250E-400

DS252E-400

DS252E-300

DS252E-300/G

DS253E-300

DS253E-400

DS254E-300

DS254E-300/G

DS254E-400

DS500E-400

DS502E-400

DS503E-400

DS504E-320/G

DS504E-400

DS250VG-690

DS253VG-690

DS254VG-690

DS40-280

DS40-320

DS40-385

DS40-400

DS40-480

DS40-600

DS41-280

DS41-320

DS41-385

DS41-400

DS41-480

DS41-690

DS41S-280

DS41S-320

DS41S-385

DS41S-400

DS41S-480

DS42-280

DS42-320

DS42-385

DS42-400

DS42S-280

DS42S-320

DS42S-385

DS42S-400

DS42-280/G

DS42-320/G

DS42-385/G

DS42-400/G

DS42S-280/G

DS42S-320/G

DS42S-385/G

DS42S-400/G

DS43-280

DS43-320

DS43-385

DS43-400

DS43-480

DS43-600

DS43S-280

DS43S-320

DS43S-385

DS43S-400

DS44-280

DS44-320

DS44-385

DS44-400

DS44S-280

DS44S-320

DS44S-385

DS44S-400

DS44-280/G

DS44-320/G

DS44-385/G

DS44-400/G

DS44-480/G

DS44S-280/G

DS44S-320/G

DS44S-385/G

DS44S-400/G

DAC50-10-275

DAC50-10-320

DAC50-10-530

DAC50-11-275

DAC50-11-320

DAC50-20-275

DAC50-20-320

DAC50-20-440

DAC50-30-275

DAC50-30-320

DAC50-30-440

DAC50-31-275

DAC50-31-320

DAC50-40-275

DAC50-40-320

DAC50-40-440

DAC50VG-10-275

DAC50VG-10-320

DAC50VG-11-275

DAC50VG-11-320

DAC50VG-20-275

DAC50VG-20-320

DAC50VG-30-275

DAC50VG-30-320

DAC50VG-31-275

DAC50VG-31-320

DAC50VG-40-275

DAC50VG-40-320

DS71R-400

DS72R-400

DS73R-400

DS74R-400

DAC40C-31-275

DAC40C-31-320

DAC40C-40-150

DAC40C-40-275

DAC40C-40-320

DAC40C-40-440

DAC40C-11-275

DAC40C-11-320

DAC40C-20-275

DAC40C-20-320

DAC40C-20-440

DACF25-10-275

DACF25-10-320

DACF25-10-440

DACF25-11-275

DACF25-11-320

DACF25-20-275

DACF25-20-320

DACF25-20-440

DACF25-30-275

DACF25-30-320

DACF25-30-440

DACF25-31-275

DACF25-31-320

DACF25-40-275

DACF25-40-320

DACF25-40-440

DS440-120/G

DS440-230

DS440-230/G

DS440-280

DS440-280/G

DS440-320

DS440-320/G

DS440-400

DDC30-10-65

DDC30-10-85

DDC30-20-65

DDC30-20-85

DS250E-48DC

DS252C-48DC/G

DS60VGPV-1000

DS60VGPV-1000G/51

DS60VGPV-1500G/51

DS60VGPV-600G/51

DS50PVS-1000/30

DS50PV-1000G/12KT1

DS50PV-1500/12KT1

DS50VGPV-1000

DS50VGPV-1000G/51

DS50VGPV-1500G/51

DS50PV-1000/51

DS50PV-1000G/51

DS50PV-1500/51

DLA2-06D3

DLA2-12D3

DLA2-170

DLA2-24D3

DLA2-48D3

DLAS-06D3

DLAS-12D3

DLAS-24D3

DLAS-48D3

DLA-06D3

DLA-12D3

DLA-170

DLA-24D3

DLA-48D3

DLC-06D3

DLC-170

DLC-24D3

DLC-48D3

DLU-06D3

DLU-12D3

DLU-170

DLU-24D3

DLU-48D3

DLU2-06D3

DLU2-12D3

DLU2-170

DLU2-24D3

DLU2-48D3

B180-06D3

B180-12D3

B180-24D3

B280-06D3

B280-12D3

B280-24D3

B480-06D3

B480-12D3

B480-24D3

MSP-VM12

MSP-VM230

MSP-VM24

MJ8-C6A

CRMJ8-POE-C6A

MJ8-POE-A

MJ8-POE-B

DD9-24V

CNP06 F/MF

P8AX09-B/FF

P8AX09-B/MF

P8AX09-F/FF

P8AX09-F/MF

P8AX09-T/FF

P8AX09-T/MF

P8AX15-B/FF

P8AX15-B/MF

P8AX15-N/FF

P8AX15-N/MF

P8AX25-B/FF

P8AX25-B/MF

P8AX25-F/FF

P8AX25-F/MF

P8AX25-N/FF

P8AX25-N/MF

P8AX25-T/FF

P8AX25-T/MF

P8AX50-B/FF

P8AX50-B/MF

P8AX50-N/FF

P8AX50-N/MF

P8AX50-T/FF

P8AX60-N/FF

P8AX09-6G-T/FF

P8AX09-6G-T/MF

P8AX25-6G-T/FF

P8AX25-6G-T/MF

PRC1800-716/FF

PRC1800-716/MF

PRC1800-716W/FF

PRC1800-716W/MF

PRC1800-N/FF

PRC1800-N/MF

PRC1800-NW/MF

PRC1800-T/FF

PRC1800-T/MF

PRC2100-N/MF

PRC2100-NW/FF

PRC2400-NW/FF

PRC2400-NW/MF

PRC450-NW/MF

PRC5800-N/FF

PRC5800-N/MF

PRC5800-NW/FF

PRC900-716/FF

PRC900-716/MF

PRC900-716W/FF

PRC900-716W/MF

PRC900-N/FF

PRC900-N/MF

PRC900-T/FF

PRC900-T/MF

MLPC1-230L-R

DS98-24

DS98-230

DS134RS-400/G

DS43S-690