LC1D18R7 SQUARE D, LC1D18R7 Datasheet - Page 19

• Manufacturer Part Number: LC1D18R7
• Description: IEC Contactor
• Manufacturer: SQUARE D

Specifications of LC1D18R7

• No. Of Poles: 3
• Contact Configuration: 3PST-NO
• Relay Mounting: DIN Rail
• Coil Voltage Vac Nom: 440V
• Relay Terminals: Screw Clamp
• Width: 45mm
• Coil Resistance: 2.24kohm
• Nom Operating Power: 10kW
• External Width: 45mm
• 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
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Maximum Operating Rate in Operating Cycles/Hour
On-load Factor
01/04
Operational Current and Power Conforming to UL, CSA (
Contactor Size
Max. operational
current (AC-3)
Rated operational
power P (standard
motor power ratings)
60 Hz
f
k
Operational Current and Power Conforming to IEC (
Contactor Size
Max. operational
current (AC-3)
Rated
operational power P
(standard motor
power ratings)
Where:
Example: A LC1D12 contactor for a motor load of 7.5 HP at 460 Vac, 11 A, 15% AC4 duty.
85%
25%
Depending on the operational power and the on-load factor (
Not UL Listed or CSA Certified.
E
AC3 = Number of electrical operations taken from the 100% AC3 Duty Life Curve
AC4 = Number of electrical operations taken for the 100% AC4 Duty Life Curve
P
AC-3 breaking current is 11 Amps
AC-4 breaking current is 66 Amps (approximate inrush)
E = 2,250,000/[1 – (15/100) + (15/100) x (2,250,000 / 90,000)] = 489,130 operations for approximate electrical life
Operational
Power
P
0.5 P
P
200/208 Vac HP
230/240 Vac HP
460/480 Vac HP
575/600 Vac HP
220/240 Vac kW
380/400 Vac kW
415 Vac
440 Vac
500 Vac
660/690 Vac kW
1000 Vac
440 Vac
440 Vac
= Estimated electrical life for mixed duty application
= Proportion of AC-4 operations to total operations for the application, expressed as a percentage.
A
A
kW
kW
kW
kW
In many applications there is a mixture of AC3 and AC4 duty. For these applications the electrical life of
a particular contactor can be estimated by using the following formula:
LC1
LP1
D50
1000
2500
1200
LC1
LP1
D50
LC1
LP1
D50
50
15
22
25
30
30
33
30
50
15
15
40
40
LC1
LP1
D65
1000
2500
1200
E
65
18.5
30
37
37
37
37
37
LC1
LP1
D65
LC1
LP1
D65
=
65
20
20
50
50
LC1
LP1
D80
2000
1200
------------------------------------------------------------- -
1
750
–
LC1
LP1
D80
LC1
LP1
D80


80
30
30
60
60
-------- -
100
55 °C [131 °F]).
80
22
37
45
45
55
45
45
P
LC1
D95
2000
1200
750


D95 k
LC1
+
AC3
LC1
D95
–
–
–
–
–


95
25
45
45
45
55
45
45
-------- -
100
D115
LC1
2000
1200
P
f
750
D115
D115
LC1
LC1
115
100
115
55°C [131 °F]) for Category AC-3
30
40
75
30
55
59
59
75
80
75
AC3
---------- -
AC4
D150
LC1
1200
1200
750
Contactor Selection for Utilization Category AC-3
D150
D150
LC1
55°C [131 °F])


LC1
150
100
125
150
100
40
50
40
75
80
80
90
90
F185
LC1
2000
1200
750
From chart: AC3 = 2,250,000 operations
From chart: AC4 = 90,000 operations
F185 F225 k F265
LC1
F185
LC1
185
125
150
185
100
100
110
110
100
50
60
55
90
F225
LC1
2000
1200
750
F225
LC1
LC1
225
110
110
110
129
129
100
–
–
–
–
–
63
F265
LC1
2000
1200
©
750
F265
LC1
LC1
2001-2004 Schneider Electric All Rights Reserved
265
150
200
265
132
140
140
160
160
147
60
75
75
F330
LC1
2000
1200
750
F330
F330
LC1
LC1
330
100
200
250
330
100
160
180
200
200
220
160
75
F400
LC1
1200
1200
500
F400
F400
LC1
LC1
400
100
125
250
300
400
110
200
220
250
257
280
185
F500
LC1
1200
1200
F500
F500
500
LC1
LC1
500
150
200
400
500
500
147
250
280
295
355
335
335
F630
LC1
1200
1200
F630
F630
LC1
LC1
500
335
630
300
600
800
630
200
375
400
400
450
450
–
F780
LC1
1200
F780
F780
LC1
LC1
500
600
780
220
400
425
425
450
475
450
780
450
900
900
–
F800
F800
F800
LC1
LC1
LC1
800
250
450
450
450
450
475
450
500
600
600
800
350
400
900
900
19