Auto Recloser Circuit Breaker (AC)-Miniature Circuit Breaker-Electrical Equipment Supply-Zhejiang Leidun Electric Co., LTD

Miniature Circuit Breaker

Auto Recloser Circuit Breaker (AC)

LDB8-125 Series

Product Overview

The LDB8-125 (AC) Auto Recloser Circuit Breaker series is compatible with AC 50Hz or 60Hz, rated voltage of 230-400V, and rated current of up to 125A.

This product is designed to be controlled by the signal of an energy meter or a remote signal, allowing for intelligent opening and closing of the circuit. Additionally, it provides protection against overload and short circuit. It can also be used for infrequent operation of the line under normal circumstances, and is widely used in the intelligent transformation of power grids.

It complies with standards: GB10963.1, IEC60898-1.

Model Description Main technical parameters Appearance and Installation dimensions (mm)

LD	B	8	-	□	□	+	SR
↓	↓	↓		↓	↓		↓
LEIDUN	Miniature Circuit Breaker	Design No.		Ampere Frame Rating	2P、3P、4P		With prepaid automatic closing and opening function

Rated Current	40A、50A、63A、80A、100A、125A
Rated Voltage	230V、400V
No. of poles	1P+N、3P+N
Frequency	50Hz
Rated breaking capacity	6000A
Energy limitation class	3
Remote automatic closing time	<2s
Power-on delay	≥4S
Electric level control current	≤1mA
Phase leakage current	<0.2mA
Mechanical endurance (Cycles)	≥10000
Electrical endurance (Cycles)	≥4000
Rated impulse withstand voltage	6KV
Instantaneous trip type	C
Tightening torque (N．m)	2.5

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Auto Recloser Circuit Breaker (AC)

The LDB8-125 (AC) Auto Recloser Circuit Breaker series is compatible with AC 50Hz or 60Hz, rated voltage of 230-400V, and rated current of up to 125A.

This product is designed to be controlled by the signal of an energy meter or a remote signa···

LEARN MORE

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