
Schneider Electric thermal overload relays, TeSys Deca, 30...40A, class 10A, motor protection LRD3355
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Product Description
Schneider Electric LRD3355 — TeSys thermal overload relay. Bimetallic thermal overload relay for motor protection. Schneider Electric TeSys LRD thermal overload relays - 30.40 A - class 10A.
Technical Specifications
- Manufacturer part number (MPN)
- LRD3355
- EAN / GTIN
- 3389110519938
- HS code
- 8536.90
- Sales unit
- pcs
- Package quantity
- 12 pcs
- Setting range
- 30-40 A
- Range
- TeSys
- Product name
- TeSys LRD; TeSys Deca
- Product or component type
- Differential thermal overload relay
- Device short name
- LRD
- Relay application
- Motor protection
- Product compatibility
- LC1D80; LC1D95
- Network type
- DC; AC
- Thermal overload class
- Class 10A conforming to IEC 60947-4-1
- Thermal protection adjustment range
- 30…40 A
- [Ui] rated insulation voltage
- Power circuit: 1000 V conforming to IEC 60947-4-1; Power circuit: 600 V conforming to CSA; Power circuit: 600 V conforming to UL
- Network frequency
- 0...400 Hz
- Mounting support
- Plate, with specific accessories; Rail, with specific accessories; Under contactor
- Tripping threshold
- 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
- Auxiliary contact composition
- 1 NO + 1 NC
- [Ith] conventional free air thermal current
- 5 A for signalling circuit
- Permissible current
- 0.72 A at 500 V AC-15 for signalling circuit; 0.06 A at 440 V DC-13 for signalling circuit
- [Ue] rated operational voltage
- 1000 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1
- Associated fuse rating
- 4 A gG for signalling circuit; 4 A BS for signalling circuit
- [Uimp] rated impulse withstand voltage
- 6 kV conforming to IEC 60947-1
- Phase failure sensitivity
- Tripping current 130 % of Ir on two phase, the last one at 0
- Control type
- Red push-button: stop; Blue push-button: reset
- Temperature compensation
- -20…60 °C
- Connections - terminals
- Power circuit: screw clamp terminals 1 cable(s) 4…35 mm² flexible without cable end; Power circuit: screw clamp terminals 1 cable(s) 4…35 mm² flexible with cable end; Power circuit: screw clamp terminals 1 cable(s) 4…35 mm² solid without cable end; Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible without cable end; Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible with cable end; Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² solid without cable end
- Tightening torque
- Control circuit: 1.7 N.m - on screw clamp terminals; Power circuit: 9 N.m - on screw clamp terminals
- Height
- 81 mm
- Width
- 70 mm
- Depth
- 115 mm
- Product weight
- 0.51 kg
- Climatic withstand
- conforming to IACS E10
- IP degree of protection
- IP20 conforming to IEC 60529
- Ambient air temperature for operation
- -20…60 °C without derating conforming to IEC 60947-4-1
- Ambient air temperature for storage
- -60…70 °C
- Flame retardance
- V1 conforming to UL 94
- Mechanical robustness
- Vibrations: 6 Gn conforming to IEC 60068-2-6; Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
- Dielectric strength
- 2.2 kV at 50 Hz conforming to IEC 60947-1
- Standards
- EN/IEC 60947-4-1; EN/IEC 60947-5-1; UL 60947-4-1; UL 60947-5-1; CSA C22.2 No 60947-4-1; CSA C22.2 No 60947-5-1; GB/T 14048.4; GB/T 14048.5; EN 50495
- Product certifications
- IEC; UL; CSA; CCC; EAC; ATEX INERIS; UKCA
- Warranty (in months)
- 18
Standards & Compliance
- HS Code
- 8536.90
Cross References
- EAN 3389110519938
- SAP 1000026510
- Code 8198632
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy LRD3355?
- LRD3355 can be ordered from cballast.com as a Schneider Electric catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Schneider Electric product?
- The manufacturer part number is LRD3355.
- What is the HS code for LRD3355?
- The customs tariff (HS) code for LRD3355 is 8536.90.
- Who manufactures LRD3355?
- LRD3355 is a Schneider Electric product in the Switchgear & Protection range.
- Is a datasheet available for LRD3355?
- Yes — the LRD3355 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for LRD3355?
- The minimum order quantity is 1.
- Is LRD3355 available?
- Yes — LRD3355 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
