TeSys LRD thermal overload relays - 37...50 A - class 10A
LRD3357
AEDÂ 606.10
AEDÂ 357.83
Excl. Tax
Excl. Tax
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LRD3357
TeSys LRD thermal overload relays - 37...50 A - class 10A
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TeSys LRD thermal overload relays - 37...50 A - class 10A
AEDÂ 606.10
AEDÂ 357.83
Excl. Tax
Excl. Tax
Product Details
| Activity | PPCTR |
|---|---|
| Pincode Group | default |
| Part Number | LRD3357 |
| [Ith] conventional free air thermal current | 5 A for signalling circuit |
| [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 |
| [Uimp] rated impulse withstand voltage | 6 kV conforming to IEC 60947-1 |
| ambient air temperature for storage | -60-70 °C |
| associated fuse rating | 4 A gG for signalling circuit, 4 A BS for signalling circuit |
| auxiliary contact composition | 1 NO + 1 NC |
| climatic withstand | conforming to IACS E10 |
| compatibility code | LRD |
| 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 |
| control type | red push-button: stop, blue push-button: reset |
| depth | 115 mm |
| device short name | LRD |
| dielectric strength | 2.2 kV at 50 Hz conforming to IEC 60947-1 |
| flame retardance | V1 conforming to UL 94 |
| height | 81 mm |
| IP degree of protection | IP20 conforming to IEC 60529 |
| mounting support | plate, with specific accessories, rail, with specific accessories, under contactor |
| net weight | 0.51 kg |
| network frequency | 0...400 Hz |
| network type | DC, AC |
| permissible current | 0.72 A at 500 V AC-15 for signalling circuit, 0.06 A at 440 V DC-13 for signalling circuit |
| phase failure sensitivity | tripping current 130 % of Ir on two phase, the last one at 0 |
| product certifications | IEC, UL, CSA, CCC, EAC, ATEX INERIS, UKCA |
| product or component type | differential thermal overload relay |
| range | TeSys |
| rated operational voltage limits | 1000 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1 |
| relay application | motor protection |
| temperature compensation | -20-60 °C |
| thermal overload class | class 10A conforming to IEC 60947-4-1 |
| thermal protection adjustment range | 37-50 A |
| tightening torque | control circuit: 1.7 N.m - on screw clamp terminals, power circuit: 9 N.m - on screw clamp terminals |
| tripping threshold | 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 |
| width | 70 mm |
| ambient air temperature for operation | -20-60 °C without derating conforming to IEC 60947-4-1 |
| 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 compatibility | LC1D95, LC1D80 |
| mechanical robustness | vibrations: 6 Gn conforming to IEC 60068-2-6, shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7 |
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