1 Overview
ALP series low voltage protector integrates protection, measurement, control and bus communication. It also provides functions such as remote automatic control, on-site direct control, panel indication, signal alarm, operation record, trip alarm record and switch quantity record. Suitable for coal, petrochemical, smelting, electric power, marine, and civil construction.
2 Compliance with standards
GB 14048.1 Low-voltage switchgear and control equipment
GB 14048.4 Low-voltage switchgear and control equipment Electromechanical contactors and motor starters
JB/T 10736-2007 Low voltage motor protector
GB/T 17626.2 Electrostatic Discharge Interference Test
GB/T 17626.3 Radio Frequency Electromagnetic Field Radiation Immunity Test
GB/T 17626.4 Electrical fast transient burst immunity test
GB/T 17626.5 Surge (impact) immunity test
3 Applicable environment
Working temperature -10oC ~ 55oC
Storage temperature -25oC ~ 70oC
Relative humidity ≤95 no condensation, no corrosive gas
Altitude ≤2000m
Pollution level 2
Protection level Main body IP20, split display module IP45 (when installed in the cabinet panel)
Installation category III
4 function configuration
Note: “■” is a standard function and “□” is an optional function.
5 Product introduction
5.1 Low Voltage Line Protector
1) Main technical indicators
2) Shape and opening size (unit: mm)
● ALP200 low voltage line protector
● ALP220 low voltage line protector
● ALP320 low voltage line protector
Main body control module
Display module
● Transformer
1A, dedicated current transformer
100A and below dedicated current transformer external dimensions
160A leakage current transformer dimensions
400A leakage current transformer dimensions
3) Terminal block
● ALP200 low voltage line protector
● ALP220 low voltage line protector
● ALP320 low voltage line protector
5.2 Low voltage PT protector
1) Main technical indicators
2) Shape and opening size (unit: mm)
