Andeli Group Co., Ltd.

LR7 Series Thermal Relay

LR7 Series Thermal Relay
Product Detailed

The overload protected AC motor with frequency 50Hz, voltage up to 660V,current up to 38A.The product conforms to IEC60947-4-1

1.Application

LR7 thermal relay is suitable for overload protection of AC motor operated on 8-hours duty oruninterupted duty. The overload protected AC motor with frequency 50Hz, voltage up to 660V,current up to 38A. Several functions provided by these relays are: phase-failure protection,temperature compensation. The product conforms to IEC60947-4-1 stardand.

2.Motion Characteristic: Three-phase Balance Motion Time No Times of the setting current Motion time Start condition Ambient temperature
11.05>2hCold state20±5oC
21.2<2hHeat state (Following the No.1 test)
31.5<4min
47.210A2s < Tp ≤10s≤63ACold state
104s < Tp ≤10s>63A

3.Specification

Type Setting range (A)
LR7-200.6~1.11
1.11~1.66
2.5~3.7
1.62~2.5
3.7~5.6
5.6~8.4
8.4~11.9
11.9~16
16~23
23~27
27~33
33~38



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