Products
Products
Installation & Application（安装应用） KEJIA® NKP-TEL Series Signal SPD
Advanced multi-stage protection circuit with specialized interfaces for diverse equipment, featuring fast response, low insertion loss, tool-free installation, and maintenance-free operation.
NKP-TEL-1Ja Telephone SPD
Application:
Protects telephones, fax machines, modem lines
Installed between telephone lines and equipment
Key Specifications:
1、Interface: Screw terminal block
2、Installation: DIN-rail mountable
3、Wiring:
Line connections: L1/L2 (marked on housing)
Ground terminal: Must connect to earth ground
Product Dimension Drawing
Product Wiring Diagram
Product Dimensional Drawing
Technical Parameters（技术参数） | Model | NKP-TEL-1J/LJa |
|---|---|
| Working Voltage | 110V DC |
| Maximum Continuous Operating Voltage (Uc) | 180V DC |
| Voltage Protection Level (Up) | 1.3kV, C2:10kV/5kV, X-C(PE) |
| AC Withstand Capability | 0.1A, 1s, 5 times, X-C(PE) |
| Impulse Withstand Capability | C2:10kV/5kV, X-C(PE) |
| Capacitance | ≤10pF, X-C(PE) |
| Insertion Loss | ≤0.2dB/2MHz |
| Response Time | 10-12s |
| Dimensions | 80mm×60mm×30mm / 80mm×60mm×20mm |
| Weight | 0.1kg |
| Housing | Terminal-type green flame-retardant plastic |
| Operating Temperature | -40°C to +70°C |
| Protection Rating | IP20 |
| Installation Method | 35mm standard DIN rail (EN60715) |
| Testing Standard | GB/T 18802.21-2016 |
Ordering and Model Selection（订货选型） | Product model | Product description |
|---|---|
| NKP-TEL-1J | Dual-line telephone lightning protection, terminal block connection type |
| NKP-TEL-1Ja | Single-Line Telephone Lightning Protection, Terminal Block Connection Type |
