YBA‑C40/1+NPE

YBA-C40/3+NPE Pluggable Multi-Pole Surge Protective Device

Installation Location

Installed in building sub-distribution boards, secondary distribution circuits or three-phase four-wire power distribution systems.

Function Description

It is mainly used to withstand induced lightning surge currents and provide Class II power lightning protection for downstream three-phase four-wire distribution equipment

Key Parameter

Nominal waveform: 8/20μs, Max. Discharge Current Imax=40kA.

Application

Suitable for three-phase four-wire distribution sites with TT and TN-S systems, and building distribution circuits where induced lightning surge risk exists.

Parameter	Spec
Location of Use	Sub-Distribution Boards
Network Systems	TT, TN-S
Mode of Protection	L-N, N-PE
Surge Ratings	In = 20 kA (8/20μs)
IEC/EN/UL Category	Class II / Type 2 / Type 1CA
Protective Elements	High Energy MOV and GDT
Housing	Pluggable Design
Compliance	IEC 61643-11:2025; EN 61643-11:2025; UL 1449 4th Edition

Technical Data — IEC Electrica

Parameter	Spec
Nominal AC Voltage (L-N) Uc	120V / 230V / 385V
Max. Continuous Operating Voltage (L-N) Uc	150V / 275V / 385V
Max. Continuous Operating Voltage (N-PE) Uc	255V
Nominal Discharge Current (L-N)/(N-PE) In	20 kA / 20 kA
Max. Discharge Current (L-N)/(N-PE) Imax	40 kA / 40 kA
Voltage Protection Level (L-N)/(N-PE) Up	1000/1000V; 1500/1000V; 1600/1000V; 1750/1000V
Follow Current Interrupting Rating (N-PE) Ifi	100 Arms
Response Time (L-N)/(N-PE) tA	< 25 ns / < 100 ns
Back-Up Fuse (max)	125 A gL/gG
Short-Circuit Current Rating (L-N) IsccR	25 kA / 50 kA
TOV Withstand 5s (L-N) UT	180V / 335V / 335V
TOV 120min Mode (L-N)	Safe Fail
TOV Withstand 200ms (N-PE) UT	1200V