VC
HEAVY DUTY POWER RELAYS
VC-RELAYS
COMPACT SIZE AND EASY MAINTENANCE
#250 quick connector
Screw terminal available
UL File No.: E43028
CSA File No.: LR26550
• Large capacity with Form X contacts
— 1.5 kW 1 phase through 3.7 kW 3 phase
240 V AC motor
• Wide range of types for various applications
Mounting bracket
VC15S-4a AC coil
VC20-2a DC coil
FEATURES ON CONSTRUCTION
1. Multipositional snap-mounting
2. Lever action mechanism
provides heavy-duty switching
Lever conveys
plunger action to
actuating frame
Actuator
3. Wide, 3.0 mm contact-gap with
4. Separate blocks for contacts and
2-point contacts
coils provides high insulation
mm
inch
more than 1.5
.059
Plunger
more than 1.5
.059
TYPICAL APPLICATIONS
VC Power relays are specially designed
for control of heavy duty loads. You can
be assured of a minimum of 250,000
faultless operations of this unit. It also
ensures the lowest total cost with highest
quality for applications such as:
Home appliances:
Air conditioners,
blowers, electronic ranges....
Office equipment:
Copiers, time
recorders, shredders....
Power devices:
Pumps, fans, motor
drives....
Automatic vending machines:
Food
and cigarette venders....
Electrical heating equipment:
Dryers,
heaters, molding machines....
ORDERING INFORMATION
Ex. VC 15 (20)
S
4a
AC240V
K
Terminal type
Nil: Quick connection
S: Screw terminal
(only for 4a or 3a1b)
Contact arrangement*
4a: 4 Form X
3a1b: 3 Form X 1 Form Y
2a2b: 2 Form X 2 Form Y
3a: 3 Form X
2a1b: 2 Form X 1 Form Y
2a: 2 Form X
1a1b: 1 Form X 1 From Y
1a: 1 Form X
Coil voltage*
AC 24 V
AC 48 V
AC 110 V
AC 120 V
AC 220 V
AC 240 V
DC 12 V
DC 24 V
DC 48 V
Suffix “K” follows some type
numbers with AC coil type.
For detail, refer to the TYPES
in Page 359.
(Note) 1. For UL/CSA recognized
types, add suffix UL/CSA.
2. Standard packing
Case: 50 pcs.
*As to combination availability of contact arrangement and coil
voltage, refer to TYPES in Page 360 and 361.
358
VC
DIMENSIONS
VC15 (4a, 3a1b, 2a2b)-AC-K
6.7
.264
52
2.5
2.047
9.5 9.5 9.5
.098
2.2
.374 .374 .374
11.5
.087
.453
30
16
1.181
.630
mm
inch
VC15S-AC-K
6.3
.248
35
1.378
52
2.047
9.9 9.9 9.9 9.9
.39 .39 .39 .39
2.5
.098
2.2
.087
30
16
1.181
.630
VC15 (4a, 3a1b)-DC
Bracket A
52
2.047
9.5 9.5 9.5 11.5
5
.374 .374 .374 .453
.197
11
13
15
19
2.7
.106
2
.079
30
16
1.181
.630
Bracket A
Bracket A
A
B
11 13 15 19 A
12 14 16 20 B
11
12
13
14
15
16
19
20
A
B
35
1.378
35
1.378
12
14
16
20
2.2
.087
8.5
.335
35
1
3
/
8
2.2
.087
8.5
.335
35
1
3
/
8
2
.079
8.5
.335
35
1
3
/
8
6.35
.250
6.35
.250
11.1 13.5
.437 .531
35
1.378
56.5
2.224
60
53.5
2.362
2.106
35
1.378
5
.197
14
.551
59
2.323
37.5
1.476
5
.197
5
.197
VC15 (3a, 2a1b, 2a)-AC-K
VC20 (3a, 2a1b, 2a, 1a1b, 1a)-AC-K
52
2.047
7.2 12.5 12.5 14.5
.283 .492 .492 .571
11
13
15
A
VC20S-AC
60
2.449
11.3 11.3 11.3 11.3
7.3
.445 .445 .445 .445
.287
35
1.378
VC15 (2a, 1a1b, 1a)-DC
VC20 (2a, 1a1b, 1a)-DC
Bracket A
2
.079
2
.079
40
1.575
6.5 12.5 14
.256 .492 .551
13
45
1.772
14
B
A
16 30
.630 1.181
2.5
.098
35
1
3
/
8
6.35
.250
14
.551
59.5 68
2.343 2.677
41.5
1.634
5
.197
59
2.323
37.5
1.476
5
.197
2.5
.098
2.2
.087
Bracket A
Bracket B
30
16
1.181
.630
12
14
16
B
11
12
13
14
15
16
19
20
A
B
40
20
1.575
.787
35
1.378
2.2
.087
8.5
.335
6.35
.250
35
1
3
/
8
2
.079
12.5
.492
35
1
3
/
8
11.5 14.5
.453 .571
35
1.378
56.5
2.224
5
.197
VC20 (4a, 3a1b)-AC
60
2.449
11.5 11.5 11.5
7
.453 .453 .453
13.5
.276
.531
2
.079
2
.079
Bracket B
11 13 15 19 A
12 14 16 20 B
40
20
1.575
.787
45
1.772
2
.079
8.5
.335
6.35
.250
35
1
3
/
8
14 17
.551 .669
41.5
1.634
65.5
2.579
5
.197
359
VC
SPECIFICATIONS
Coil input
Types
Contact arrangement
VC15
1a,
3a1b,
2a2b
3a,
2a1b,
2a
VC15S
4a, 3a1b
3.5 mm dia.
screw
(AC type)
AC
VC20
3a, 2a1b,
4a,
2a, 1a1b,
3a1b
1a
# 250 quick
connector
VC20S
4a, 3a1b
4 mm dia.
screw
Remarks
Terminals
Acceptable wire size
Single wire
Stranded wire
1 phase, 120 V
Motor loads
1 phase, 240 V
3 phase, 240 V
3 phase, 380 V
1 phase, 120 V
Resistive loads
1 phase, 240 V
3 phase, 240 V
Tungsten, lamp loads
Maximum contact current
Max. operating voltage
Breaking capacity
(“a” contact)
Making capacity
(“a” contact)
Expected life
3 phase, 240 V (p.f. = 0.4)
3 phase, 380 V (p.f. = 0.4)
3 phase, 240 V (p.f. = 0.4)
3 phase, 380 V (p.f. = 0.4)
Electrical (max. rated current)
Mechanical
1 phase, 240 V
“b” contact (p.f. = 1)
# 250 quick
connector
1.6 mm (AWG14)
2.0 mm
2
(AWG14)
1/3 HP
1 HP
2 HP
(2 HP)
15 A
15 A
15 A
6A
3A
IEC 380 V AC
80 A
40 A
80 A
40 A
15 A
15 A
2 HP
2.0 mm (AWG12)
3.5 mm
2
(AWG12)
1 HP
2 HP
5 HP
(5 HP)
20 A
20 A
20 A
12 A
3A
UL, CSA 300 V AC
160 A
80 A
160 A
80 A
IEC AC3
(IEC)
IEC AC3
250,000 operations*
1,000,000 operations
190 g
180 g
210 g
270 g
190 g
320 g
Unit weight (with bracket)
Note: * In the case of 12 A lamp loads, the expected life is 100,000 operations.
TYPES
• AC coils
Contact
arrangement
Types
VC15
VC15-4a-AC V-K
VC15-3a1b-AC V-K
VC15-2a2b-AC V-K
VC15-3a-AC V-K
VC15-2a1b-AC V-K
VC15-2a-AC V-K
—
—
VC15S
VC15S-4a-AC V-K
VC15S-3a1b-AC V-K
—
—
—
—
—
—
VC20
VC20-4a-AC
VC20-3a1b-AC
—
VC20-3a-AC
VC20-2a1b-AC
VC20-2a-AC
VC20-1a1b-AC
VC20-1a-AC
V
V
V-K
V-K
V-K
V-K
V-K
VC20S
VC20S-4a-AC V
VC20S-3a1b-AC V
—
—
—
—
—
—
4 Form X
3 Form X 1 Form Y
2 Form X 2 Form Y
3 Form X
2 Form X 1 Form Y
2 Form X
1 Form X 1 Form Y
1 Form X
COIL DATA
at 20°C
68°F
• AC coils (120 V AC)
Types
Nominal coil voltage
Frequency, Hz
Inrush
Coil input
Sealed
Pick-up voltage, V AC (max.)
Drop-out voltage, V AC (min.)
mA (max.)
VA (max.)
mA (max.)
VA (max.)
VC15 (3a, 2a1b, 2a)
VC20 (2a, 1a1b, 1a)
120 V AC
60
50
135
162
16.2
19.4
45
54
5.4
6.4
96
96
24
24
VC15 (4a, 3a1b, 2a2b)
VC15S, VC20 (3a, 2a1b)
120 V AC
60
50
175
209
21
25
50
60
6.0
7.2
96
96
24
24
VC20 (4a, 3a1b)
VC20S
120 V AC
60
50
267
292
32
35
65
77
7.8
9.2
96
96
24
24
360
VC
SPECIFICATIONS
Coil input
Types
Contact arrangement
VC15
4a, 3a1b
2a, 1a1b,
1a
(DC type)
DC
VC20
2a, 1a1b,
1a
Remarks
Characteristics
(AC, DC common)
Max. operate time
Max. release time
Contact bounce time
Between open
contacts (inc.
Dielectric coil terminal)
strength Between load &
(Initial)
source with
open contacts
Between open
contacts (inc.
Insulation coil terminal)
resistance Between load &
source with
open contacts
Switching Electrical
speed
Mechanical
25 ms*
25 ms
5 ms
2,500 Vrms
Terminals
Acceptable wire size
Single wire
Stranded wire
1 phase, 120 V
Motor loads
1 phase, 240 V
3 phase, 240 V
3 phase, 380 V
1 phase, 120 V
Resistive loads
1 phase, 240 V
3 phase, 240 V
Tungsten, lamp loads
Maximum contact current
Max. operating voltage
Breaking capacity
(“a” contact)
Making capacity
(“a” contact)
Expected life
3 phase, 240 V (p.f. = 0.4)
3 phase, 380 V (p.f. = 0.4)
3 phase, 240 V (p.f. = 0.4)
3 phase, 380 V (p.f. = 0.4)
1 phase, 240 V
“b” contact (p.f. = 1)
# 250 quick connector
1.6 mm (AWG 14)
2.0 mm
2
(AWG 14)
1/3 HP
1 HP
2 HP
(2 HP)
15 A
15 A
15 A
6A
3A
IEC 380 V AC
80 A
40 A
80 A
40 A
2.0 mm (AWG 12)
3.5 mm
2
(AWG 12)
1 HP
2 HP
—
—
20 A
20 A
—
12 A
3A
UL, CSA 300 V AC
—
—
—
—
IEC AC3
IEC AC3
(IEC)
2,500 Vrms
Over 100 MΩ (initial)
at 500 V DC
Over 100 MΩ (initial)
at 500 V DC
1,200 times/hour
14,400 times/hour
–10°C to +40°C
14°F to +104°F
(max. 85% R.H.)
40°C to +55°C
104°F to 131°F
(max. 75% R.H.)
Ambient temp.
(max. humidity)
*VC15(DC) : 30ms
MOUNTING
Gentle lifting of the bracket clamp with
the tip of a screwdriver permits easy
removal.
Electrical (max. rated current)
Mechanical
190 g
250,000 operations*
1,000,000 operations
150 g
150 g
Unit weight (with bracket)
Note: * In the case of 12 A lamp loads, the expected life is 100,000 operations.
TYPES
• DC coils
Contact
arrangement
Types
VC15
VC15-4a-DC V
VC15-3a1b-DC V
VC15-2a-DC V
VC15-1a1b-DC V
VC15-1a-DC V
VC20
—
—
VC20-2a-DC V
VC20-1a1b-DC V
VC20-1a-DC V
The mounting bracket is simply screwed
in the desired location and the relay
firmly snapped into the bracket.
4 Form X
3 Form X 1 Form Y
2 Form X
1 Form X 1 Form Y
1 Form X
mm
inch
L
COIL DATA
at 20°C
68°F
• DC coils (24 V DC)
Types
VC15 (4a, 3a1b)
VC15 (2a, 1a1b, 1a)
VC20 (2a 1a1b, 1a)
for # 6 screw
W
24 V DC
24 V DC
Nominal coil voltage
174
Ω
163
Ω
Coil resistance (±10%)
20.4
20.4
Pick-up voltage, V DC (max.)
2.4
2.4
Drop-out voltage, V DC (min.)
Note: Above values are average under hot condition, when horizontally mounted.
35
1-3/8
Mounting holes
Mounting bracket
L
45
1.772
50
1.969
W
35
1.378
45
1.772
Bracket A
Bracket B
• Bracket B is for VC-20-4a, 3a1b and
VC20S-4a, 3a1b types.
• Mounting bracket is provided with each model.
2000 Matsushita Electric Works Group Europe
For Cautions for Use, see Relay Technical Information.
361
