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Home > Type 1 Surge Protective Devices > JINLI spd Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC spd 350V Surge protection Device
JINLI spd Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC spd 350V Surge protection Device
JINLI spd Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC spd 350V Surge protection Device
JINLI spd Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC spd 350V Surge protection Device
JINLI spd Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC spd 350V Surge protection Device
JINLI spd Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC spd 350V Surge protection Device
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JINLI spd Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC spd 350V Surge protection Device
JINLI spd Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC spd 350V Surge protection Device
JINLI spd Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC spd 350V Surge protection Device
JINLI spd Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC spd 350V Surge protection Device
JINLI spd Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC spd 350V Surge protection Device

JINLI spd Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC spd 350V Surge protection Device

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Product Description

SPD Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC SPD 350V Surge protection Device
SPD Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC SPD 350V Surge protection Device
SPD Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC SPD 350V Surge protection Device
SPD Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC SPD 350V Surge protection Device
Surge Protection Device Technical Parameters Diagram

High-Performance DC Surge Protective Device (SPD) for Power System Protection

Product Specifications
Parameter Specification Details
Model JLSP-DC350/40
IEC Class Class II
DC Network UN (50/60Hz)(V) 220
Max. continuous operating voltage Uc(V) 350
Nominal discharge current In(kA) 20
Max. Discharge current(8/20us) Imax(kA) 40
Voltage Protection level Up(kV) ≤1.4
Max. backup fuse(A) 35A DC(gG)
Response time tA ≤25ns
Capacity of withstand short circuit 300A
Operating temperature -40℃ ~ +85℃
Relative humidity ≤95%(25℃)
Max. cross-sectional area 25mm2 multi-strand cord
Dimensions (1P)(W×L×H)(mm) 18mm × 90mm × 62mm
Mounting DIN Rail 35mm
Protection rating IP 20
Housing material PBT
Flame retardant rating UL94 V-0
Capacity of remote signaling contact 250VAC/0.5A   30VDC/3A
Max. cross-sectional area for remote signaling contact 1.5mm2 multi-strand cord / single cord
Status indicator Normal: green / malfunction: red
Standards compliance EN61643-11, IEC61643-11, GB/T 18802.11
SPD Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC SPD 350V Surge protection Device
SPD Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC SPD 350V Surge protection Device
SPD Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC SPD 350V Surge protection Device
SPD Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC SPD 350V Surge protection Device
SPD Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC SPD 350V Surge protection Device
SPD Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC SPD 350V Surge protection Device
SPD Surge Protector With Alarm Type 1 2 3 Metal Oxide Arrester DC SPD 350V Surge protection Device
Related Products
Related Surge Protection Devices and Backup Protectors Overview
Frequently Asked Questions
1. What is the maximum continuous operating voltage (Uc) of this device?
The maximum continuous operating voltage (Uc) of this DC surge protective device is 350V. It is engineered to perform reliably within DC networks up to 220V nominal voltage.
2. How fast does the surge protector respond to an electrical surge?
The device features an ultra-fast response time (tA) of ≤25 nanoseconds, ensuring transient overvoltages are clamped quickly to safeguard downstream equipment.
3. How can I monitor the working status of this surge protector?
This device is equipped with a visual status indicator on the front panel. A green indicator means the system is operating normally, while a red indicator indicates a malfunction, signaling that replacement is required. It also supports remote signaling contact for system-wide monitoring.
4. What type of mounting structure does this SPD support?
The protector is designed for standard, hassle-free installation on a standard 35mm DIN Rail. With compact 1P dimensions of 18mm × 90mm × 62mm, it integrates easily into standard distribution boxes.
5. Is the housing material fire-resistant?
Yes, the outer housing is made from premium PBT material, which is highly durable and carries a certified flame retardant rating of UL94 V-0, ensuring maximum safety under extreme conditions.
6. What international standards does this surge protection device comply with?
This surge protector complies fully with EN61643-11, IEC61643-11, and GB/T 18802.11 standards, meeting global criteria for safety and performance in transient overvoltage protection.

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