Schneider Electric LR97D07M7 Electronic Overcurrent Relay, Tesys LR97D, 200 to 240VAC, 1.2 to 7A, 1C/O

TeSys LR97D electronic overcurrent relay, 7A/690V, to be supplied with 200-240V AC, for protection of motors with a rated current 1.2-6A. It provides 3 dials to adjust the protection, LOAD (1.2-7A) for the overcurrent level, O-TIME (0.3-10sec) for the acceptable duration of the overcurrent, D-TIME (0.5-30sec) for the starting duration. In addition, the device trips when the current is higher than 3 x LOAD during more than 0.5sec in steady state and if there is a missing phase during more than 3sec. Settings also include selectors for 1-phase/3-phase motors and manual/automatic reset, the device has a reset button, a test/stop button, 2 LED indicators (Run/Trip), 2 auxiliary contacts 1NO/NC for fault signaling. Settings can be locked by sealing the transparent cover. For direct attachment to the bottom terminals of a 3-phase contactor LC1D09-D38, with screw clamp terminals on bottom, the separate mounting from the contactor is possible using the terminal block LAD7B106 (to be ordered separately). Multi-standards certified (IEC, UL, CSA, CCC, EAC), compliant RoHs/Reach.

Main

• Range: TeSys
• Product name: TeSys D
• Device short name: LR97
• Product or component type: Electronic overcurrent relay
• Relay application:
• Sensitivity to phase failure
• Locked rotor, mechanical jamming I > 3 x Isetting
• Overload Imax > Isetting
• Product compatibility: LC1D09...D38
• Network type: AC
• [Us] rated supply voltage: 200...240 V AC
• Thermal protection adjustment range: 1.2…7 A
• [Ue] rated operational voltage:
• 600 V AC 50/60 Hz for power circuit (conforming to CSA)
• 600 V AC 50/60 Hz for power circuit (conforming to UL)
• 690 V AC 50/60 Hz for power circuit (conforming to IEC 60947-4-1)
• Quantity per set: Set of 10

Complementary

• Network frequency: 50...60 Hz
• Mounting support:
• Direct on contactor
• Rail
• Tripping threshold: 1.2...6 A
• Surge withstand: 6 kV (conforming to IEC 61000-4-5)
• Contacts type and composition: 1 C/O
• [Ith] conventional free air thermal current: 3 A for control circuit
• Protection type:
• BS fuse 3 A for control circuit
• GB2 circuit breaker 3 A for control circuit
• GG fuse 3 A for control circuit
• Maximum power:
• 28 W at 110 V DC (conforming to IEC 60947)
• 28 W at 220 V DC (conforming to IEC 60947)
• 55 W at 24 V DC (conforming to IEC 60947)
• 55 W at 48 V DC (conforming to IEC 60947)
• 140 VA at 48 V AC (conforming to IEC 60947)
• 360 VA at 110 V AC (conforming to IEC 60947)
• 360 VA at 220 V AC (conforming to IEC 60947)
• 70 VA at 24 V AC (conforming to IEC 60947)
• [Ui] rated insulation voltage:
• Power circuit: 600 V (conforming to CSA)
• Power circuit: 600 V (conforming to UL)
• Power circuit: 690 V (conforming to IEC 60947-4-1)
• [Uimp] rated impulse withstand voltage: 6 kV
• Phase failure sensitivity: < 3 s
• Reset:
• Automatic reset 120 s fixed
• Electrical by interruption of power supply for minimum 0.1 s
• Manual reset
• Time range:
• 0.2...10 s - O-time knob
• 0.3...10 s - O-time knob
• 0.5..30 s - D-time knob
• Signalling function: 2 LEDs
• Connections - terminals:
• Control circuit: cable 1 x 1…25 mm² flexible with cable end
• Control circuit: cable 1 x 1…25 mm² flexible without cable end
• Power circuit: cable 1 x 1…4 mm² flexible with cable end
• Power circuit: cable 1 x 1.5…10 mm² flexible without cable end
• Power circuit: lug-clamp 1 x 1…4 mm² flexible with cable end
• Power circuit: lug-clamp 1 x 1.5…10 mm² flexible without cable end
• Control circuit: cable 2 x 1…25 mm² flexible with cable end
• Control circuit: cable 2 x 1…25 mm² flexible without cable end
• Control circuit: lug-clamp 1 x 1…25 mm² flexible with cable end
• Control circuit: lug-clamp 1 x 1…25 mm² flexible without cable end
• Control circuit: lug-clamp 2 x 1…25 mm² flexible with cable end
• Control circuit: lug-clamp 2 x 1…25 mm² flexible without cable end
• Tightening torque:
• Control circuit: 0.6...1.2 N.m on lug-clamp
• Power circuit: 2 N.m on cable
• Height: 67.5 mm
• Width: 45 mm
• Depth: 67.5 mm
• Net weight: 0.172 kg

Environment

• Standards:
• IEC 60947
• IEC 60255-6
• Product Certifications:
• GOST
• CSA
• UL
• Protective Treatment: TH (conforming to IEC 60068)
• IP Degree of Protection: IP20 (conforming to IEC 60529)
• Ambient Air Temperature:
• For operation: -25…60 °C (conforming to IEC 60947-4-1)
• For storage: -30…80 °C
• Operating Altitude: 2000 m
• Fire Resistance: 850 °C (conforming to IEC 60695-2-1)
• Shock Resistance: 15 gn 11 ms (conforming to IEC 60068-2-7)
• Vibration Resistance: 4 gn (conforming to IEC