LC1D18P7 SQUARE D, LC1D18P7 Datasheet - Page 62

• Manufacturer Part Number: LC1D18P7
• Description: IEC Contactor
• Manufacturer: SQUARE D

Specifications of LC1D18P7

• No. Of Poles: 3
• Contact Configuration: 3PST-NO
• Relay Mounting: DIN Rail
• Width: 45mm
• Relay Terminals: Screw Clamp
• Operating Voltage: 600VAC
• Switching Power Ac1: 3hp
• Switching Power Ac3: 15hp
• Switching Current Ac1: 32A
• Switching Current Ac3: 18A
• Load Current Inductive: 18A
• Load Current Resistive: 32A

Characteristics of Type LR•K Overload Relays
62
©
2001-2004 Schneider Electric All Rights Reserved
Electrical Characteristics of the Power Circuit
Operating Characteristics
Rated operational voltage (Ve)
Rated insulation voltage (Vi)
Rated impulse withstand voltage (Vimp)
Frequency limits of the operational current
Power dissipated per pole
Short-circuit protection and coordination
Sensitivity to phase failure
Reset
Signalling
Reset-Stop function
Test function
Tripping curves
Average operating time
related to multiples of the
current setting Class 10 A
Balanced 3-phase operation, from cold state.
1h 20 min
Time
40 min
20 min
10 min
6 min
4 min
2 min
1 min
40 s
20 s
10 s
2 h
1 h
6 s
4 s
2 s
1 s
1 1.2 1.5
Up to
Conforming to BS 4941
Conforming to IEC 60947
Conforming to VDE 0110 group C
Conforming to UL 508, CSA 22.2 No. 14
By circuit breaker
By fuses
Conforming to IEC 60947
Manual or automatic
On front of relay
By pushbutton
2
3
4
x setting current (Ir)
5 6
Class 10 A
8 10
15
1h 20 min
V
V
V
V
V
kV
Hz
W
Balanced operation with 2-phases only, from cold state.
1 = Setting: at lower end of scale.
2 = Setting: at upper end of scale.
40 min
20 min
10 min
Time
6 min
4 min
2 min
1 min
40 s
20 s
10 s
2 h
1 h
6 s
4 s
2 s
1s
690
690
690
750
600
6
Up to 400
2
Select in accordance with NEC and local codes
Maximum 400% of motor FLA
Yes
Selected by means of a lockable and sealable switch
on the front of the relay
Trip indicator
Pressing the Reset-Stop button:
– Actuates the N.C. contact
– Has no effect on the N.O. contact
Pressing the Test button enables:
– Checking of the control circuit wiring
– Simulation of overload tripping (actuation of both
1 1.2 1.5
N.C. and N.O. contacts, and of the trip indicator)
2
3
4
x setting current (Ir)
5 6
Class 10 A
8 10
1
2
15
01/04