GFB1-40NH Plastic case circuit breaker

Category:

Product Classification

Miniature Circuit Breaker

GFB1-40NH is a compact RCBO for modern electrical systems, supporting 230/240V and up to 40A. It protects against overcurrent, short circuits, and earth leakages, with advanced DC residual current detection for EV chargers, solar PVs, and heat pumps. Rated 10kA bidirectional, and compliant with IEC/EN standards, it ensures reliable performance.
● Standard: IEC/EN/BS EN60898-1
●Tripping Mode：Thermal-Magnetic Tripping
● Rated current: 1A~40A
● Rated voltage: 230V
● Number of poles: 1P+N
● Rated short-circuit breaking capacity: 10kA
● Tripping curve: B, C
● Ambient air temperature: -25℃~+40℃
● Connection: From top and bottom
● Certificates: CB, CE, UKCA,SEMKO

E-mail:

gf@gf-ele.com

Product Description

●Model and Meaning ●Introduction

GFB1-40NH household circuit breakers are designed for 50Hz AC power lines with rated voltages up to 230V and rated currents up to 40A. They provide overload and short-circuit protection while maintaining normal electrical connections during routine operations.
Compliant with standard: IEC/EN 60898-1, obtained CB,CE UKCA,SEMKOand other certifications.

●Main Parameters and Technical Performance

Technical parameters project	Parameter values
Rated voltage （V）	230V
Rated current （A）	1A、2A、3A、4A、5A、6A、10A、16A、20A、 25A、32A、 40A
Number of poles	1P+N
Instantaneous trip type	B Mode（3-5）In,C Mode(5-10)In
Rated breaking capacity (A)	10kA（GFB1-40NH）
Energy class	3
Tightening torque (N·m)	1.5
Class of pollution	Level 2
levels of protection	IP20
Mechanical life and operation frequency (times/hour)	20000、 240(In≤32A)
Electrical lifeand operation frequency	4000、120(In＞32A)

●Connecting lead

Rated current In (A)	Nominal cross-sectional area S (mm²) of copper wire
1、2、3、4、6、10	1-2.5
16	2.5-4
20、25	4-6
32	6-10
40	10-16

●Product Types Choosing

Rated Current	B curve	C curve
1A	GFB1-40NH B1	GFB1-40NH C1
2A	GFB1-40NH B2	GFB1-40NH C2
3A	GFB1-40NH B3	GFB1-40NH C3
4A	GFB1-40NH B4	GFB1-40NH C4
5A	GFB1-40NH B5	GFB1-40NH C5
6A	GFB1-40NH B6	GFB1-40NH C6
10A	GFB1-40NH B10	GFB1-40NH C10
16A	GFB1-40NH B16	GFB1-40NH C16
20A	GFB1-40NH B20	GFB1-40NH C20
25A	GFB1-40NH B25	GFB1-40NH C25
32A	GFB1-40NH B32	GFB1-40NH C32
40A	GFB1-40NH B40	GFB1-40NH C40

●Appearance and Installation Dimensions ●Characteristic Curves

Keywords:

GFB1-40NH Plastic case circuit breaker

安安新材料