VB VB
2
VB Series Of fers High Sealability and
Long Life with Aluminum Die-cast
Enclosure
■Ideal for machine tools and sequential
control
■Switch box has an oil drain
■Sturdy construction through integration
of head with body
■Ground terminal models have EN/IEC
approval (CE marking)
Ordering Information
Multiple Plunger Limit Switch VB
■LIMIT SWITCHES
Actuator Conduit With flange (by no. of actuators) Without flange (by no. of actuators)
type
2345623456
G1/2 VB-2211 VB-3211 VB-4211 VB-5211 VB-6211 VB-2241 VB-3241 VB-4241 VB-5241 VB-6241
2 cond.
G1/2 VB-2221 VB-3221 VB-4221 VB-5221 VB-6221 VB-2251 VB-3251 VB-4251 VB-5251 VB-6251
4 cond.
G1/2 VB-2111 VB-3111 VB-4111 VB-5111 VB-6111 VB-2141 VB-3141 VB-4141 VB-5141 VB-6141
2 cond.
G1/2 VB-2121 VB-3121 VB-4121 VB-5121 VB-6121 VB-2151 VB-3151 VB-4151 VB-5151 VB-6151
4 cond.
■ACCESSORIES
Item Part number
Built-in switch for replacement (standard type) VB-S101N
Built-in switch for replacement (micro load type) VB-S109N
Cable dia. range: 5.5 to 7.5 mm SC-1M
Cable dia. range: 7.5 to 9.5 mm SC-2M
Cable dia. range: 11 to 13 mm SC-3M
Cable dia. range: 9 mm to 11 mm SC-5M
Note: 1. Micro load (0.1 A) types are available. To order, add an "A" after the part number.
(ex.: VB-2211 VB-2211A)
2. Ground terminal types are available. To order, add an "E" after the part number.
(ex.: VB-2211 VB-2211E)
3. No replacement parts for actuators.
Roller
plunger
Bevel
plunger
Metal cable fitting with sealing washer
for G1/2 conduit
VB VB
3
1
Specifications
■RATINGS
■MODEL NUMBER LEGEND
Base Units
VB -
1. Number of actuators
2: 2 actuators
3: 3 actuators
4: 4 actuators
5: 5 actuators
6: 6 actuators
2. Actuator
1: Bevel plunger
2: Roller plunger
3. Switch box
1: 2 conduits with flange
2: 4 conduits with flange
4: 2 conduits without flange
5: 4 conduits without flange
4. Rubber material (scraper)
1: NBR (Nitrite Butadiene rubber)
2: FPM (Fluorine rubber)
5. Contacts rating
None: 10 A (standard)
A: 0.1 A
6. Special type
None: Without a ground terminal
E: With a ground terminal
Construction
Standard Micro load
Rated voltage Resistive load (A)
NC NO
125 VAC 10
250 VAC
125 VDC 0.5
250 VDC 0.25
Rated voltage Resistive load (A)
125 VAC 0.1
8 VDC
30 VDC
Inrush current
NC NO
36 A max 24 A max
Internal actuator
Cap
Sealing cap
Switch box
Plunger
Seal scraper
Cap screw
O-ring
Built-in switch
Gasket
Cover
23456
VB VB
4
Enclosure rating IP67
Life expectancy Mechanical 5,000,000 operations min.
Electrical 300,000 operations min. (at 250 VAC 10 A resistive load)
Operating speed 0.1 mm/s to 0.5 m/s (0.039 to 19.69 in/sec)
Operating frequency Mechanical 120 operations per minute max.
Electrical 30 operations per minute max.
Rated frequency 50/60 Hz
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 10 mΩ max. (initial value)
Dielectric strength 1,000 VAC min.: between terminals of same polarity
1,500 VAC min.: between current-carrying metal part and ground
1,500 VAC min.: between each terminal and non-current-carrying
metal part
Rated impulse voltage (Uimp) 4 kV (EN60947-5-1): between current-carrying metal part and
ground
4 kV (EN60947-5-1): between each terminal and non-current-
carrying metal part
4 kV (EN60947-5-1): between terminals of different polarity
Rated insulaton voltage (Ui) 300 V (EN60947-5-1)
Switching overvoltage 1,000 V max (EN60947-5-1)
Pollution degree (operating environment) 3 (EN60947-5-1)
Short-circuit protective device 10 A fuse, type gl or gG (IEC 269)
Conditional short-circuit current 100 A (EN60947-5-1)
Conventional enclosed thermal current (Ithe) 5 A, 0.5 A (EN60947-5-1)
Protection against electric shock Class I
Vibration resistance Malfunction 10 to 55 Hz 1.5 mm (0.06 in.) double amplitude
Shock resistance Destruction 1,000 m/s2 min. (approx. 100 G min.) (3280 ft/s2)
Malfunction 200 m/s2 min. (approx. 20 G min.) (656 ft/s2)
Ambient temperature -10°C to 80°C (14°F to 176°F) (no icing)
Ambient humidity 95% RH max.
Weight Approx. 580 g (VB-4211) (20.5 oz)
■APPROVED STANDARD RATINGS
TUV (EN60947-5-1)
Standard Micro load
Utilization category AC-15 DC-12 AC-14 DC-12
Rated operating current (le) 2 A 0.1 A
Rated operating voltage (Ue) 250 V 48 V 125 V 30 V
■CHARACTERISTICS
Model VB-221 VB-251 VB-121 VB-151
VB-211 VB-241 VB-111 VB-141
OF max 14.71 N (1500 gf) (3.31 lbf)
RF max 4.90 N (500 gf) (1.11 lbf)
PT max 1.5 mm
OT min 3.5 mm
MD 0.5 mm
OP 32 ± 0.4 mm 19 ± 0.4 mm 26 ± 0.4 mm 13 ± 0.4 mm
■ OPERATING CHARACTERISTICS
Note: The above mechanical and electrical life is ensured at an ambient temperature of 5°C to 35°C and an ambient humidity of 40%
to 70%.
..
VB VB
5
■CONTACT FORM
Operation
Engineering Data
■ELECTRICAL SERVICE LIFE
Switching current (A)
Electrical operations (10
4
)
Operating frequency:
30 operations/min
cos
φ
=1250 VAC
Dimensions
Unit: mm (inch)
■LIMIT SWITCHES
Bevel Plunger VB-
111
NC
NO
COM
OP PT
98 ±0.2
(3.86
±0.01)
68 ±0.8
(2.68 ±0.03)
28 ±0.3
(1.10
±0.01)
8
(0.31)
40
(1.57)
50 ±0.2
(1.97
±0.01)
85
(3.35) 114 ±0.8
(4.49
±0.03)
30 ±0.2
(1.18
±0.01)
12 ±0.2
(0.47
±0.01)
H
45
(1.77)
44
(1.73)
Note: For Dimension H, refer to table provided.
VB VB
6
Bevel Plunger VB-
141
Roller Plunger VB-
211
2 actuators 3 actuators 4 actuators 5 & 6 actuators
Dimension H 58 (2.28) 70 (2.75) 82 (3.23) 106 (4.17)
OP PT
68 ±0.8
(2.68 ±0.03)
8.5
(0.33)
25
(0.98)
50 ±0.2
(1.97
±0.01)
85
(3.35)
30 ±0.2
(1.18
±0.01)
12 ±0.2
(0.47
±0.01)
H
45
(1.77)
44
(1.73)
9
(0.35)
OP PT
98 ±0.2
(3.86
±0.01)
68 ±0.8
(2.68 ±0.03)
28 ±0.3
(1.10
±0.01)
8
(0.31)
40
(1.57)
50 ±0.2
(1.97
±0.01)
85
(3.35) 114 ±0.8
(4.49
±0.03)
30 ±0.2
(1.18
±0.01)
12 ±0.2
(0.47
±0.01)
H
45
(1.77)
44
(1.73)
VB VB
7
Hemespheric Plunger VB-
311
Unit: mm (inch)
Roller Plunger VB-
241
OP PT
68 ±0.8
(2.68 ±0.03)
8.5
(0.33)
25
(0.98)
50 ±0.2
(1.97
±0.01)
85
(3.35)
30 ±0.2
(1.18
±0.01)
12 ±0.2
(0.47
±0.01)
H
45
(1.77)
44
(1.73)
9
(0.35)
OP PT
98 ±0.2
(3.86
±0.01)
68 ±0.8
(2.68 ±0.03)
28 ±0.3
(1.10
±0.01)
8
(0.31)
40
(1.57)
50 ±0.2
(1.97
±0.01)
85
(3.35) 114 ±0.8
(4.49
±0.03)
30 ±0.2
(1.18
±0.01)
12 ±0.2
(0.47
±0.01)
H
45
(1.77)
44
(1.73)
Note: For Dimension H, refer to table provided.
VB VB
8
Hemespheric Plunger VB-
341
2 actuators 3 actuators 4 actuators 5 & 6 actuators
Dimension H 58 (2.28) 70 (2.75) 82 (3.23) 106 (4.17)
Installation
■ MOUNTING HOLES
With flange Without flange
OP PT
68 ±0.8
(2.68 ±0.03)
8.5
(0.33)
25
(0.98)
50 ±0.2
(1.97
±0.01)
85
(3.35)
30 ±0.2
(1.18
±0.01)
12 ±0.2
(0.47
±0.01)
H
45
(1.77)
44
(1.73)
9
(0.35)
Four,
6.5 dia.
or M6 50 ±0.2
(1.97
±0.01)
98 ±0.2
(3.86 ±0.01)
14 ±0.2
(0.55 ±0.01)
Two, 6 +0.05 dia.
-0.15
15 ±0.2
(0.59
±0.01)
28 ±0.3
(1.10
±0.01)
13 ±0.2
(0.51
±0.01)
50 ±0.2
(1.97
±0.01)
Two, 8.5 dia. or M8 Two, 8.5 dia. or M8
VB VB
9
Replacement from Old VB
Our old VB series has been discontinued. If you need replacements, please refer to the following chart.
■ CROSS REFERENCE CHART
Old VB Current VB
2VBQ3-1N VB-2221
3VBQ3-1N VB-3221
4VBQ3-1N VB-4221
5VBQ3-1N VB-5221
6VBQ3-1N VB-6221
Old VB Current VB
2VBD4-1N VB-2121
3VBD4-1N VB-3121
4VBD4-1N VB-4121
5VBD4-1N VB-5121
6VBD4-1N VB-6121
Old VB Current VB
2VBD4-4N VB-2151
3VBD4-4N VB-3151
4VBD4-4N VB-4151
5VBD4-4N VB-5151
6VBD4-4N VB-6151
Old VB Current VB
2VBQ3-4N VB-2251
3VBQ3-4N VB-3251
4VBQ3-4N VB-4251
5VBQ3-4N VB-5251
6VBQ3-4N VB-6251
Old VB Current VB
2VBQ3-1F VB-2221 (similar)
3VBQ3-1F VB-3221 (similar)
4VBQ3-1F VB-4221 (similar)
5VBQ3-1F VB-5221 (similar)
6VBQ3-1F VB-6221 (similar)
Old VB Current VB
2VBD4-1F VB-2121 (similar)
3VBD4-1F VB-3121 (similar)
4VBD4-1F VB-4121 (similar)
5VBD4-1F VB-5121 (similar)
6VBD4-1F VB-6121 (similar)
Old VB Current VB
2VBD4-4F VB-2151 (similar)
3VBD4-4F VB-3151 (similar)
4VBD4-4F VB-4151 (similar)
5VBD4-4F VB-5151 (similar)
6VBD4-4F VB-6151 (similar)
Old VB Current VB
2VBQ3-4F VB-2251 (similar)
3VBQ3-4F VB-3251 (similar)
4VBQ3-4F VB-4251 (similar)
5VBQ3-4F VB-5251 (similar)
6VBQ3-4F VB-6251 (similar)
Actuators
Old Current
VB-A103 N/A
VB-A124 N/A
Note: There are no replacement parts for old actuators.
Built-in switch
Old Current
VB-S101 VB-S101N
Note: If you replace the built-in switch with a new one, some
changes are needed.
1. Remove the coil spring from VB-S101N.
2. Use old mounting screw and mount the new switch.
VB VB
OMRON ELECTRONICS LLC OMRON CANADA, INC.
One East Commerce Drive 885 Milner Avenue
Schaumburg, IL 60173 Scarborough, Ontario M1B 5V8
1-800-55-OMRON 416-286-6465
Cat. No. CEDSAX4 11/01 Specifications subject to change without notice. Printed in the U.S.A.
OMRON ON-LINE
Global - http://www.omron.com
USA - http://www.omron.com/oei
Canada - http://www.omron.com/oci
