PRODUCT OVERVIEW : overload relay, 55 to 70 A (PTNO : LRD3361)
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overload relay, 55 to 70 A (PTNO : LRD3361)
# PRODUCT NAME
overload relay, 55 to 70 A (PTNO : LRD3361)
# PART/PRODUCT NO
LRD3361
# BRAND
Schneider Electric
# CATEGORY
RELAYS & TIMERS
| 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 | LC1D95 LC1D80 |
| Network type | DC AC |
| Thermal overload class | Class 10A IEC 60947-4-1 |
| Thermal protection adjustment range | 55…70 A |
| [Ui] rated insulation voltage | Power circuit 1000 V IEC 60947-4-1 Power circuit 600 V CSA Power circuit 600 V 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 IEC 60947-4-1 |
| auxiliary contact composition | 1 NO + 1 NC |
| [Ith] conventional free air thermal current | 5 A signalling circuit |
| Permissible current | 0.72 A 500 V AC-15 signalling circuit 0.06 A 440 V DC-13 signalling circuit |
| [Ue] rated operational voltage | 1000 V AC 0...400 Hz power circuit IEC 60947-4-1 |
| Associated fuse rating | 4 A gG signalling circuit 4 A BS signalling circuit |
| [Uimp] rated impulse withstand voltage | 6 kV 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 | -4…140 °F (-20…60 °C) |
| Connections - terminals | Power circuit screw clamp terminals 1 0.01…0.05 in² (4…35 mm²) flexible without cable end Power circuit screw clamp terminals 1 0.01…0.05 in² (4…35 mm²) flexible with cable end Power circuit screw clamp terminals 1 0.01…0.05 in² (4…35 mm²) solid without cable end Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible without cable end Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible with cable end Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) solid without cable end |
| Tightening torque | Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals Power circuit 79.66 lbf.in (9 N.m) screw clamp terminals |
| Height | 3.19 in (81 mm) |
| Width | 2.76 in (70 mm) |
| Depth | 4.53 in (115 mm) |
| Net Weight | 1.12 lb(US) (0.51 kg) |
| Climatic withstand | IACS E10 |
|---|---|
| IP degree of protection | IP20 conforming to IEC 60529 |
| Ambient air temperature for operation | -4…140 °F (-20…60 °C) without derating IEC 60947-4-1 |
| Ambient Air Temperature for Storage | -76…158 °F (-60…70 °C) |
| Flame retardance | V1 conforming to UL 94 |
| Mechanical robustness | Vibrations6 Gn IEC 60068-2-6 Shocks15 Gn for 11 ms IEC 60068-2-7 |
| Dielectric strength | 2.2 kV 50 Hz 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 |