Schneider Electric LR3D Overload Relays Series

25 variants · Schneider ElectricAll Overload Relays →

About the Schneider Electric LR3D Overload Relays Series

The Schneider Electric LR3D Overload Relays Series series groups 25 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 temp operating max of 60 °C. Variants differ by depth, operating temperature and storage temperature, so you can match the exact depth your application requires using the selection guide below.

Select a variant by

Depth: 3.6 in (92 mm) · 4.8 in (123 mm) · 70 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 · Class 20 IEC 60947-4-1
Thermal protection adjustment range: 0.1–0.16 A · 7–10 A · 23–32 A
Width: 1.8 in (45 mm) · 2.2 in (55 mm) · 45 mm
Height: 2.8 in (70 mm) · 66 mm

Shared specifications

Fire behavior: V1 conforming to UL 94
IP rating: IP20
Temp operating max: 60 °C
Temp operating min: -20 °C
Temp storage max: 70 °C
Temp storage min: -60 °C

Variant comparison

Parameter	LR3D016	LR3D1514	LR3D3323
Depth	70 mm	3.6 in (92 mm)	4.8 in (123 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	-4...140 °F (-20...60 °C) without derating IEC 60947-4-1
Storage temperature	-60...70 °C	-76...158 °F (-60...70 °C)	-76...158 °F (-60...70 °C)
Thermal overload class	Class 10 A conforming to IEC 60947-4-1	Class 20 IEC 60947-4-1	Class 10 A IEC 60947-4-1
Thermal protection adjustment range	0.1–0.16 A	7–10 A	23–32 A
Width	45 mm	1.8 in (45 mm)	2.2 in (55 mm)
Height	66 mm	—	2.8 in (70 mm)

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