Schneider Electric LRD1 Series

33 variants · Schneider Electric

About the Schneider Electric LRD1 Series

The Schneider Electric LRD1 Series series groups 33 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common fire behavior of V1 conforming to UL 94, IP rating of IP20 and main product or component type of Differential thermal overload relay. Variants differ by depth, height and operating temperature, so you can match the exact depth your application requires using the selection guide below.

Select a variant by

Depth: 2.8 in (70 mm) · 2.8 in (72 mm) · 70 mm
Height: 2.6 in (66 mm) · 3.7 in (93 mm) · 66 mm
Operating temperature: -20...60 °C without derating conforming to IEC 60947-4-1 · -4...140 °F (-20...60 °C) without derating IEC 60947-4-1
Storage temperature: -76...158 °F (-60...70 °C) · -60...70 °C
Thermal overload class: Class 10 A conforming to IEC 60947-4-1 · Class 10 A IEC 60947-4-1
Thermal protection adjustment range: 4–6 A · 5.5–8 A · 7–10 A · 9–13 A
Width: 1.8 in (45 mm) · 45 mm

Shared specifications

Fire behavior: V1 conforming to UL 94
IP rating: IP20
Main product or component type: Differential thermal overload relay
Temp operating max: 60 °C
Temp operating min: -20 °C
Temp storage max: 70 °C
Temp storage min: -60 °C

Variant comparison

Parameter	LRD106	LRD143	LRD163	LRD12	LRD16
Depth	2.8 in (70 mm)	2.8 in (72 mm)	2.8 in (72 mm)	70 mm	2.8 in (70 mm)
Height	2.6 in (66 mm)	3.7 in (93 mm)	3.7 in (93 mm)	66 mm	2.6 in (66 mm)
Operating temperature	-4...140 °F (-20...60 °C) without derating IEC 60947-4-1	-4...140 °F (-20...60 °C) without derating IEC 60947-4-1	-4...140 °F (-20...60 °C) without derating IEC 60947-4-1	-20...60 °C without derating conforming to IEC 60947-4-1	-4...140 °F (-20...60 °C) without derating IEC 60947-4-1
Storage temperature	-76...158 °F (-60...70 °C)	-76...158 °F (-60...70 °C)	-76...158 °F (-60...70 °C)	-60...70 °C	-76...158 °F (-60...70 °C)
Thermal overload class	Class 10 A IEC 60947-4-1	Class 10 A IEC 60947-4-1	Class 10 A IEC 60947-4-1	Class 10 A conforming to IEC 60947-4-1	Class 10 A IEC 60947-4-1
Thermal protection adjustment range	4–6 A	7–10 A	9–13 A	5.5–8 A	9–13 A
Width	1.8 in (45 mm)	1.8 in (45 mm)	1.8 in (45 mm)	45 mm	1.8 in (45 mm)

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