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SPD Manufacturers

I have found results from400+products and200+suppliers aboutSPD

Yueqing Xianglang Electric Co., Ltd.mic-icon
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T2 40ka Solar System Surge Protection Device 500V Lightening Arrester SPD

T2 40ka Solar System Surge Protection Device 500V Lightening Arrester SPD

US$2.00-5.00
60 Pieces(MOQ)
Sample Available
35mm Standard Rail Installation Earthing Bonding SPD Surge Protector Device

35mm Standard Rail Installation Earthing Bonding SPD Surge Protector Device

US$2.00-5.00
60 Pieces(MOQ)
Sample Available
Worldsunlight Solar System Lightning Arrester SPD 2p 3p DC Voltage Protector Surge Arrestor

Worldsunlight Solar System Lightning Arrester SPD 2p 3p DC Voltage Protector Surge Arrestor

US$2.00-5.00
60 Pieces(MOQ)
Sample Available
Solar System 2p 500V 600 800V 1000V 3p 1500V DIN Rail Surge Arrester Protection Device SPD

Solar System 2p 500V 600 800V 1000V 3p 1500V DIN Rail Surge Arrester Protection Device SPD

US$2.00-5.00
60 Pieces(MOQ)
Sample Available
CE Xlspd-40 20ka-40ka UC AC 220V 275V 385V 2p 4p Single/Three Phase Surge Protective Device Surge Protector SPD

CE Xlspd-40 20ka-40ka UC AC 220V 275V 385V 2p 4p Single/Three Phase Surge Protective Device Surge Protector SPD

US$2.00
60 Pieces(MOQ)
Sample Available
DC1500V 3p Surge Protector Surge Lightning Arrester SPD 20ka-40ka 3phase DC SPD for Solar System

DC1500V 3p Surge Protector Surge Lightning Arrester SPD 20ka-40ka 3phase DC SPD for Solar System

US$2.00-5.00
1 Piece(MOQ)
Sample Available
Worldsunlight Solar System SPD Protective Device Suppressor Protection Protector Lighting Surge Arrester

Worldsunlight Solar System SPD Protective Device Suppressor Protection Protector Lighting Surge Arrester

US$2.00-5.00
60 Pieces(MOQ)
Sample Available
Xlspd-PV 2p 500V 600V 800V 1000V 3p 1000V 1500V Surge Protective Device DC Surge Protector SPD

Xlspd-PV 2p 500V 600V 800V 1000V 3p 1000V 1500V Surge Protective Device DC Surge Protector SPD

US$3.20-5.00
60 Pieces(MOQ)
Sample Available
Xlspd-PV CE TUV 20ka-40ka 2p 3p DC 500V 600V 800V 1000V 1500V Solar PV DC SPD Surge Protective Device

Xlspd-PV CE TUV 20ka-40ka 2p 3p DC 500V 600V 800V 1000V 1500V Solar PV DC SPD Surge Protective Device

US$2.00-5.00
60 Pieces(MOQ)
Sample Available
PV DC TUV CE ISO90001 2p 800V Surge Protection Three Phases SPD

PV DC TUV CE ISO90001 2p 800V Surge Protection Three Phases SPD

US$3.20-5.00
60 Pieces(MOQ)
Sample Available
CE TUV Xlspd 20ka-40ka AC 220V 275V 385V 1p 2p 3p 4p Single/Three Phase Low Voltage Lightning Arrester Surge Protective Device Surge Protector SPD

CE TUV Xlspd 20ka-40ka AC 220V 275V 385V 1p 2p 3p 4p Single/Three Phase Low Voltage Lightning Arrester Surge Protective Device Surge Protector SPD

US$2.00
60 Pieces(MOQ)
Sample Available
Xlspd TUV CE 2p 10ka - 20ka 275V AC SPD Power Lightning Surge Arrester Protector Surge Protective Device

Xlspd TUV CE 2p 10ka - 20ka 275V AC SPD Power Lightning Surge Arrester Protector Surge Protective Device

US$2.00
60 Pieces(MOQ)
Sample Available
CE TUV Xlspd-B+C T1+T2 4p 275V AC SPD Surge Protector Device AC Surge Protector for Solar System

CE TUV Xlspd-B+C T1+T2 4p 275V AC SPD Surge Protector Device AC Surge Protector for Solar System

US$7.00-9.00
30 Pieces(MOQ)
Sample Available
Xlspd-PV CE TUV Solar PV 20ka-40ka T1+T2 3p 1000V DC SPD Surge Protector Device DC Surge Protector for Solar System

Xlspd-PV CE TUV Solar PV 20ka-40ka T1+T2 3p 1000V DC SPD Surge Protector Device DC Surge Protector for Solar System

US$6.00-7.00
42 Pieces(MOQ)
Sample Available
CE TUV DC 2p 500V 20-40ka Power Lightning DC SPD Surge Protector Protection Arrestor Surge Protective Device

CE TUV DC 2p 500V 20-40ka Power Lightning DC SPD Surge Protector Protection Arrestor Surge Protective Device

US$3.20-5.00
60 Pieces(MOQ)
Sample Available
DC 1000V 2p 20-40ka Surge Protection Device SPD

DC 1000V 2p 20-40ka Surge Protection Device SPD

US$6.00
1 Piece(MOQ)
CE TUV ISO9001 2p 800VDC SPD Solar Energy System PV Surge Protective SPD Device 2 Phase

CE TUV ISO9001 2p 800VDC SPD Solar Energy System PV Surge Protective SPD Device 2 Phase

US$2.00-5.00
1 Piece(MOQ)
Sample Available
Worldsunlight Xlspd-2p 600V PV Lightning Protection PV Protective Solar Surge Protector Device Arrester SPD

Worldsunlight Xlspd-2p 600V PV Lightning Protection PV Protective Solar Surge Protector Device Arrester SPD

US$2.00-5.00
1 Piece(MOQ)
Sample Available
CE TUV ISO9001 3p 1000V 1500V DC SPD Surge Protection Device DIN Rail Installed SPD Surge Arrester

CE TUV ISO9001 3p 1000V 1500V DC SPD Surge Protection Device DIN Rail Installed SPD Surge Arrester

US$2.00-5.00
1 Piece(MOQ)
Sample Available
CE, TUV Solar System 3p Surge Protector Devices Photovoltaic 1200V 1000V 3pole DC Surge Protective Device SPD

CE, TUV Solar System 3p Surge Protector Devices Photovoltaic 1200V 1000V 3pole DC Surge Protective Device SPD

US$5.00-8.00
1 Piece(MOQ)
Sample Available

Sourcing guidance for SPD

How to choose the correct Type of SPD for different installation points?

Selecting the right SPD depends on the installation zone. Type 1 SPDs are essential for the main distribution board in areas with high lightning risk, designed to discharge high-energy lightning currents. Type 2 SPDs are the most common for sub-distribution boards to protect against switching surges and indirect lightning strikes. For sensitive end-use equipment like servers or medical devices, Type 3 SPDs should be installed as close to the load as possible to provide fine-tuned voltage clamping.

What key technical parameters must be verified before purchasing?

Buyers must prioritize three core metrics: Uc (Maximum Continuous Operating Voltage), which must be higher than the nominal network voltage to prevent premature failure; In (Nominal Discharge Current), typically 20kA for standard protection; and Up (Voltage Protection Level), which must be lower than the impulse withstand voltage of the equipment being protected. Ensure the device features a thermal disconnect mechanism to prevent fire hazards at the end of its life cycle.

Which international compliance standards are mandatory for global trade?

To ensure safety and legal entry into markets, SPDs must comply with IEC 61643-11 (for low-voltage power systems) or EN 61643-11. For the North American market, UL 1449 4th Edition certification is a critical requirement. Always request CE, RoHS, and TUV test reports from the supplier to verify that the internal components, such as the Metal Oxide Varistors (MOV), meet quality benchmarks.

How to evaluate the durability and maintenance features of an SPD?

Look for SPDs with pluggable modules, which allow for easy replacement of damaged units without rewiring the entire base. A reliable SPD must have a visual status indicator (Green for OK, Red for Replace) and ideally a remote signaling contact (dry contact) for integration into building management systems (BMS) to alert maintenance teams of a failure immediately.

Cross-Border Procurement Strategy for SPD Components

What are the common risks when sourcing SPDs from overseas suppliers?

The primary risk is counterfeit or sub-standard MOVs (Metal Oxide Varistors) that may fail to trigger during a surge or cause a fire. To mitigate this, use Made-in-China.com to find Audited Suppliers who provide third-party factory inspection reports. Always request a pre-shipment inspection (PSI) to verify that the technical specs on the label match the internal components.

How can I negotiate better terms for bulk SPD orders?

Focus on tiered pricing based on annual volume rather than a single transaction. Negotiate for extended warranties (typically 3–5 years) and ask the supplier to include a percentage of free replacement modules (1-2%) with large shipments. This reduces your long-term maintenance costs and ensures immediate stock for faulty units.

What are the shipping and customs precautions for electrical components?

SPDs are classified under HS Code 853630. Ensure the supplier provides a Certificate of Origin to potentially benefit from preferential tariff rates. Because these are safety-critical components, ensure the packaging includes anti-static and moisture-proof materials to prevent degradation of the electronic elements during long-term sea freight.

How to ensure transaction security in B2B cross-border trade?

Utilize secured payment services provided by reputable platforms like Made-in-China.com to ensure funds are only released upon proof of shipment. Avoid direct wire transfers to unknown accounts. For first-time orders, it is highly recommended to order a functional sample and have it tested in a local lab before authorizing mass production.

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