YBA1‑C40/B+C

YBA1-C40/B+C Pluggable Multi-Pole Surge Protective Device

Installation Location

Installed in building main distribution cabinets, main power incoming distribution boards or sub-distribution boards.

Function Description

It is mainYBA used to withstand lightning current surges and induced lightning surge currents, providing both Class I and Class II power lightning protection.

Key Parameter

Nominal waveforms: 10/350μs and 8/20μs; Impulse Discharge Current Iimp=7kA, Max. Discharge Current Imax=40kA.

Application

Suitable for sites with external lightning protection system and risk of direct lightning current intrusion, requiring staged surge protection.

Parameter	Spec
Location of Use	Main Distribution Boards
Network Systems	TN-S
Mode of Protection	L-PE, N-PE
Surge Ratings	Iimp = up to 7 kA (10/350μs); In = up to 20 kA (8/20μs)
IEC/EN/UL Category	Class I+II / Type 1+2 / Type 1CA
Protective Elements	High Energy MOV
Housing	Pluggable Design
Compliance	IEC 61643-11:2025; EN 61643-11:2025; UL 1449 4th Edition

Technical Data — IEC Electrical

Parameter	Spec
Nominal AC Voltage (50/60Hz) Uo/Un	120V / 230V / 400V
Max. Continuous Operating Voltage (AC) Uc	150V / 275V / 320V / 385V / 440V
Impulse Discharge Current (10/350 μs) Iimp	7 kA
Voltage Protection Level Up	1200V / 1400V / 1500V / 1800V
TOV Withstand 5s UT	180V / 335V / 580V
TOV 120min Mode	Safe Fail