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TeSys LR9G 500A thermal overload relay is compatible with TeSys Giga high power contactor, push-in control connection. It provides phase imbalance, phase failure, in-built ground-fault and single-phase loads protections. It is available for manual and auto reset options and LED indicator for Motor ON and pre-trip alarm. Tripping classes is selectable from class 5E to class 30E to suit different application needs from fast tripping, general purpose and high inertia loads. It is suitable for independent mounting or direct mounting with LC1G contactors. It provides IP2x protection in Front face with shrouds conforming to IEC 60529 and VDE 0106. It can cover -25°C to 60°C operation ambient air temperature without derating up to 3000m altitude. Multi standards certified (CE,CB,CCC,cULus,EAC,KC,RCM,Marine). Unique QR code provides quick access to complete product data.
Products specifications
| Attribute name | Attribute value |
|---|---|
| Main | |
| Device short name | LR9G |
| Range | TeSys |
| Thermal overload class | class 5E...30E conforming to IEC 60947-4-1 |
| Product name | TeSys LRG |
| Product or component type | electronic thermal overload relay |
| Relay application | motor protection |
| Network type | AC |
| Thermal protection adjustment range | 125-500 A |
| Complementary | |
| Mechanical durability | 7000 cycles |
| Tripping threshold | 1.125 +/- 0.07 In conforming to IEC 60947-4-1 |
| Surge withstand | 4 kV |
| Protection type | phase imbalance - tripping time adjustment: 0-5 s - for alarm circuit conforming to UL 60947-4-1, phase imbalance - tripping time adjustment: 0-5 s - for alarm circuit conforming to IEC 60947-4-1, phase loss - tripping time adjustment: 0-4 s - for alarm circuit, ground fault protection - tripping time adjustment: 0-1 s - for alarm circuit conforming to UL 60947-4-1, ground fault protection - tripping time adjustment: 0-1 s - for alarm circuit conforming to IEC 60947-4-1 |
| Electromagnetic compatibility | voltage dips and interruptions immunity test conforming to SEMI F47, immunity to radiated radio-electrical interference - test level: 20 V/m conforming to EN/IEC 61000-4-3, emission tests criteria A conforming to IEC 60947-4-1, EMC immunity conforming to IEC 60947-4-1 |
| [Ith] conventional free air thermal current | 5 A |
| Overvoltage category | III |
| Local signalling | trip indicator, LED |
| Mounting support | plate, direct on contactor |
| Contacts type and composition | 1 NO + 1 NC |
| Connections - terminals | control circuit: push-in 2 0.5-1.0 mm² with cable end, control circuit: push-in 1 0.25-2.5 mm² - cable stiffness: flexible with cable end, control circuit: push-in 1 0.2-2.5 mm² - cable stiffness: solid stranded without cable end, power circuit: lugs-ring terminals 1 240-240 mm², power circuit: bar - busbar cross section: 32 x 10 mm |
| [Uimp] rated impulse withstand voltage | 8 kV |
| [Ue] rated operational voltage | 1000 V AC 50/60 Hz |
| Standards | JIS C8201-5-1, JIS C8201-4-1, CSA C22.2 No 60947-4-1, UL 60947-4-1, EN/IEC 60947-5-1, EN/IEC 60947-4-1 |
| Reset | manual, automatic reset |
| Tightening torque | 35 N.m |
| [Uc] control circuit voltage | 24...250 V DC, 24...500 V AC 50/60 Hz |
| Network frequency | 100 Hz, 30...60 Hz |
| Product certifications | EAC, EU-RO-MR by DNV-GL, ATEX, UKCA, cULus, CCC, CB Scheme |
| Environment | |
| Ambient air transport temperature | -25-60 °C |
| Colour | dark grey |
| Mechanical robustness | shocks 15 gn 11 ms contactor closed, vibrations 5-300 Hz 6 gn contactor open |
| IP degree of protection | IP2X front face with shrouds conforming to VDE 0106, IP2X front face with shrouds conforming to IEC 60529 |
| Protective treatment | TH |
| Ambient air temperature for storage | -60-80 °C |
| Ambient air temperature for operation | -25-60 °C |
| Height | 114 mm |
| Permissible ambient air temperature around the device | -40-60 °C at Uc |
| Depth | 140 mm |
| Width | 140 mm |
| Net weight | 1.55 kg |
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