Multiple Limit Switch

VB

A New Monoblock Multiple Limit Switch Incorporating a Head Box with a Tough Head and Ensuring High Sealing Performance and a Mechanical Durability of 5,000,000 Operations

Approved Standards

Agency

Standards

File No.

Approved models

TÜV Rheinland

EN60947-5-1
 (IEC947-5-1)

J50062491

Only models with ground terminals

CCC (CQC)

GB/T14048.5

Contact your OMRON
 representative for details.

Ask your OMRON representative for
 information on approved models.

Ratings

Standard Model

Rated voltage

Resistive load

NC

NO

125 VAC
 250 VAC

10 A
 10 A

125 VDC
 250 VDC

0.6 A
 0.3 A

Note: The above currents are steady-state currents. 

Inrush current

NC

24 A max.

NO

24 A max.

Micro Load Ratings

Rated voltage

Resistive load

125 VAC

0.1 A

8 VDC
 30 VDC

Approved Standard Ratings

TÜV (EN60947-5-1) (Grand terminal models only)

Standard Model

Applicable category

AC-15

DC-15

Rated operating current (Ie)

2 A

2 A

Rated operating voltage (Ue)

250 V

48 V

Micro Load Model

Applicable category

AC-14

DC-15

Rated operating current (Ie)

0.1 A

0.1 A

Rated operating voltage (Ue)

125 V

30 V

CCC (GB/T14048.5)

Applicable category and ratings

AC-15 2 A/250 VAC

Characteristics

Degree of protection

IP67

Durability *

Mechanical

5,000,000 operations min.

Electrical

300,000 operations min. (10 A at 250 VAC, resistive load)

Operating speed

0.1 mm to 0.5 m/s

Operating
 frequency

Mechanical

120 operations min.

Electrical

30 operations min.

Rated frequency

50/60 Hz (AC)

Insulation resistance

100 MΩ min. (at 500 VDC)

Contact resistance

15 mΩ max. (initial value)

Dielectric
 strength

Between terminals of same polarity

1,000 VAC/Uimp 4,000 VAC

Between current-carrying metal parts
 and ground

1,500 VAC/Uimp 4,000 VAC

Between each terminal and non-
 current-carrying metal part

1,500 VAC/Uimp 4,000 VAC

Between terminals of different polarity

Uimp 4 kV (EN60947-5-1)

Rated insulation voltage (Ui)

300 VAC (EN60947-5-1)

Switching overvoltage

1,000 V max. (EN60947-5-1)

Pollution degree (operating environment)

3 (EN60947-5-1)

Short-circuit protective device (SCPD)

10 A fuse type gG or gI (IEC269)

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

Insulation class I (Use the grounding terminal or ground on the machine side.)

Vibration
 resistance

Malfunction

10 to 55 Hz, 1.5-mm double amplitude

Shock
 resistance

Destruction

1,000 m/s2 min.

Malfunction

200 m/s2 min.

Ambient operating temperature

-10°C to 80°C (with no icing)

Ambient operating humidity

35% to 95%

Weight

Approx. 580 g (in the case of VB-4211)

Note: The above values are initial values.
 * The values are calculated at an operating temperature of 5°C to 35°C, and an operating humidity of 40% to 70%. Contact your OMRON sales representative for more detailed information on other operating environments.