SETsafe | SETfuse
SETsafe | SETfuse
SETsafe | SETfuse
SETsafe | SETfuse
SETsafe | SETfuse
SPD (Low-voltage Power Systems)

SPD (Low-voltage Power Systems) - SD20H230A404, T2

SD20H230A404, T2

Max. Continuous Operating Voltage (Uc): L-N: 275 VAC, N-PE: 255 VAC

Nominal Discharge Current (In(8 / 20 μs): 20 kA

Max. Discharge Current (Imax) (8 / 20 μs): 40 kA

Voltage Protection Rating (Up): 1.0 kV

Protection Mode: 3+1 (L–N, N-PE)


Xiamen SET Electronics Co., Ltd.


● For AC Three-Phase System

● Pluggable Module for Easy Replacement

● Low Residual Voltage,  No Leakage Current

● RoHS & REACH Compliant


● AC / DC Power System

● New Energy

● Residential Building

● Telecommunications

● Internet Data Center (IDC)

● Distribution System

Technology Applications Markets Applications

Quality Assurance

For product quality, our goal is to be industry-leading. We ensure that the quality of the product meets the expected goals from the following process.


Quality Policy.

Qualified Supplier of Raw Materials.

IQC (AQL, Dimension, Function, Visual Inspection, RoHS & REACH Test).

Process, Online Inspection and Testing (Function 100% Test).

IPQC (AQL, Dimension, Function, Visual Inspection).

FQC (AQL, Dimension, Function, Visual Inspection, RoHS & REACH Test).

Reliability Test (AQL).

OQC (Packaging, Labeling, Quantity Inspection).

Agency (Safety Certificate) Annual, Quarterly Audits.

Quality Management System (TUV Approved and issued certificate).


SETsafe | SETfuse

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Din-rail Surge Protective Device

Surge protective devices (SPDs) are designed to meet requirements for UL 1449 Forth Edition and IEC/EN 61643-11. They are DIN-rail mountable featuring a fail-safe protection, visual indicator and remote signal contact. It has a good environmental adaptability and meets the requirements of high reliability in important field.

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SD20H230A404, T2