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Đối tác

Range of product

TeSys D thermal overload relays

Product or component type

Differential thermal overload relay

Device short name

LRD

Relay application

Motor protection

Product compatibility

LC1D40A...LC1D65A

Network type

AC
DC

Overload tripping class

Class 10A conforming to IEC 60947-4-1

Thermal protection adjustment range

37...50 A

[Ui] rated insulation voltage

690 V power circuit conforming to IEC 60947-4-1
600 V power circuit conforming to UL
600 V power circuit conforming to CSA

Complementary

Network frequency

0...400 Hz

Mounting support

Under contactor

Tripping threshold

1.14 +/- 0.06 Ir conforming to IEC 60947-4-1

[Ith] conventional free air thermal current

5 A for signalling circuit

Permissible current

0.95 A at 380 V AC-15 for power circuit
0.06 A at 440 V DC-13 for power circuit

[Ue] rated operational voltage

690 V

[Uimp] rated impulse withstand voltage

6 kV

Phase failure sensitivity

Tripping current 130 % of Ir on two phase, the last one at 0

Temperature compensation

-30...60 °C

Connections - terminals

Power circuit: EverLink BTR screw connectors 1 cable(s) 1...35 mm² - cable stiffness: solid - without cable end
Power circuit: EverLink BTR screw connectors 1 cable(s) 1...35 mm² - cable stiffness: flexible - with cable end
Power circuit: EverLink BTR screw connectors 1 cable(s) 1...35 mm² - cable stiffness: flexible - without cable end
Control circuit: screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness: solid - without cable end
Control circuit: screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness: flexible - with cable end
Control circuit: screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness: flexible - without cable end

Tightening torque

Power circuit: 5 N.m - on EverLink BTR screw connectors
Control circuit: 1.7 N.m - on screw clamp terminals

Height

70 mm

Width

55 mm

Depth

123 mm

Product weight

0.375 kg

Lam Hồng Trading Co .,Ltd 
ĐC: 216 A Trương Công Định , Phường 3 , Tp . Vũng Tàu
ĐT: 064. 3530037 - Fax : 064 .6253488
Email: Lamhong530037@gmail.com  - Website: www.lamhongltd.com 
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