CHXI-D20 White SPD Surge Protective Device Applications
CHXI SPD has reliable voltage protection level and safe characteristic of overload. ,strong discharge current capability. ,applied to lighting protection of AC low voltage distribution system.
|
Nominal a.c voltage of the system Uo(M) |
220 (1N50Hz) 380 (3N50Hz) | 220 (1N50Hz) 380~690 (3N50Hz) |
|
Max. continuous operating voltage Uc (M) |
(N-PE 255) 275 320 385 420 |
(N-PE 255)275 320 385 420 550 690 750 |
|
Nominal discharge current In 8/20μs (kA) |
10 | 20 |
|
Max. discharge current Imax 8/20 μ s (kA) |
20 | 40 |
|
Voltage protection level Up (kV) |
<1.0 <1.0 <1.2<1.5 <1.8 | <1.0 <1.2 <1.5 <1.8 <2.0 <2.5 <3.0<3.5 |
| Combination | 1+0 2+0 3+0 4+0 1+1 2+1 3+1 | |
| Wiring capacity | 4~16mm² | |
| Local indicator | Green indicates normal state and red indicates failure | |
| Protection class IP | IP20 | |
| Material | PA66 | |
| The outer flame retardant grade | conform to 1 comply with UL94V-0 | |
CHXI-D20 White SPD Surge Protective Device Function
T2 type pressure limiting surge protector, modular structure design.Can be combined many pieces, to realize all kinds of protected mode.Built-in overheated, over-current protection device.Local fault indicator, facilitate the timely replacement.
Alarm contact, realize remote remote communication function.Modular structure design, easy to maintain.
Standard 35 mm guideway design, convenient installation.
CHXI-D20 White SPD Surge Protective Device Dimensions

CHXI-D20 White SPD Surge Protective Device Connection

CHXI-D20 white SPD Surge Protective Device Video
> Application Guide for Hydraulic Magnetic Circuit Breakers in Sensitive Electronic Equipment
Why use hydraulic magnetic breakers for medical, IT or telecom equipment? Temperature stability, delay curves, and selection tips.
> What Is a Shunt Trip and How Does It Work with MCCB?
Learn what a shunt trip is, how it remotely trips an MCCB, typical voltages, and common applications like emergency stop systems.
> Guide to Selecting a Surge Protective Device (SPD) for EV Charging Stations
Protect EV chargers from lightning and switching surges. Learn how to choose the right SPD type, voltage protection level, and coordination.
> How to Fix a Tripping RCBO in Commercial Distribution Boards
RCBO tripping repeatedly? Learn 6 common causes and practical fixes for commercial panels. No more nuisance trips.







