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TeSys LRD Thermal Overload Relay – LRD3355
TeSys LRD thermal overload relay with a 30–40 A adjustable range and class 10A tripping, designed for reliable protection of 3-phase motors up to 18.5 kW at 400 V. Compatible with LC1D80 and LC1D95 contactors.
Original price was: $84.06.$80.18Current price is: $80.18.
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Description
The TeSys LRD3355 is a differential thermal overload relay designed for effective motor protection in demanding electrical environments. With a thermal adjustment range of 30–40 A and class 10A tripping, it protects 3-phase motors up to 18.5 kW at 400 V from overload, phase loss, and load imbalance.
This relay features:
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A manual-automatic reset selector that also acts as a reset button,
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A trip test button for verifying operation,
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A stop button for manual shutdown,
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A trip indicator flag for visual fault identification,
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And 2 auxiliary contacts (1 NO + 1 NC) for signaling.
The transparent front cover protects settings and can be locked by sealing. It connects directly to the lower terminals of LC1D80 and LC1D95 3-pole contactors via screw clamp terminals, or it can be mounted remotely using terminal block LA7D3064 (sold separately). Suitable for both DIN rail and screw mounting.
The LRD3355 is compliant with IEC, UL, CSA, CCC, EAC, ATEX, Marine standards and is Green Premium certified for RoHS and REACH compliance.
Specifications
| Attribute | Value |
|---|---|
| Range | TeSys |
| Product Name | TeSys LRD / TeSys Deca |
| Part Number | LRD3355 |
| Product Type | Differential Thermal Overload Relay |
| Device Short Name | LRD |
| Application | Motor Protection |
| Thermal Setting Range | 30 – 40 A |
| Tripping Class | 10A |
| Rated Operational Voltage | 1000 V |
| Motor Power Rating | 18.5 kW at 400 V |
| Network Type | AC / DC |
| Trip Test Feature | Yes |
| Manual/Auto Reset Selector | Yes |
| Stop Button | Yes |
| Fault Indicator Flag | Yes |
| Auxiliary Contacts | 1 NO + 1 NC |
| Mounting Options | DIN rail / Screw fixing |
| Direct Contact Compatibility | LC1D80, LC1D95 |
| Remote Mount Option | With LA7D3064 terminal block (optional) |
| Cover Type | Transparent, sealable |
| Certifications | IEC, UL, CSA, CCC, EAC, ATEX, Marine |
| Environmental Compliance | Green Premium (RoHS/REACH) |
| Height | 81 mm |
| Width | 70 mm |
| Depth | 115 mm |
| Net Weight | 0.51 kg |
Additional information
| Weight | 0.51 kg |
|---|---|
| Dimensions | 115 × 70 × 81 mm |
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