GENERAL CATALOGUE 2026.01

Modular units B series Pressure-gauges and pressure-switches, 1/4" ÷ 1/2"

Main features

Code

Item

Description

Symbol

091096

BZ303

PNP digital pressure-switch

091097

BZ304

NPN digital pressure-switch

Technical data

Articolo

BZ303

BZ304

Code

091096

091097

Size matching

1/4” - 3/8" - 1/2"

Function

Positive pressure switch

Circuit

PNP

NPN

Fluid

Compressed filtered air, incombustible and non-corrosive gases

Rated pressure range (1) Display pressure range (2)

0 ÷ 10 bar -1 ÷ 10 bar

Maximum pressure

15 bar

Pressure units

MPa, kgf/cm 2 , bar, psi

0.001 MPa 0.01 kgf/cm2 0.01 bar 0.1 psi

Pressure resolution

Repeatability (switch output)

± 0.2% F.S. ± 1 digit

LCD display

3 1/2 digital, 7 segments, LCD display (Red / Green / Orange) Orange indicator 1: OUT1 & orange indicator 2: OUT2

Switch on indicator

Updates time

Adjustable

Indicator accuracy Protection class Temperature range

± 2% F.S. ± 1 digit (ambient temperature: 25 ± 3°C)

IP40

3 - AIR TREATMENT

0°C ÷ +50°C (storage: -10°C ÷ +50°C, no condensation or freezing)

Ambient humidity range

35 ÷ 85% RH (without condense)

Voltage

12 ÷ 24 V DC (±10%) ≤ 40 mA (without load)

Current consumption

open collector output max. load current max. supply voltage Residual voltage

PNP (2x) 125 mA 24V DC

NPN (2x)

30V DC

Switch output (protected from over-run)

≤ 1.5V

Response time

chattering-proof function 50, 250, 500, 1000, 2000, 3000 ms

Short-circuit protection Yes

Whitstand voltage

1000 V AC (in a minute) ≥ 50 MΩ (at 500 VDC)

Insulation Vibrations

Total amplitude 1,5 mm or 10G, 10 Hz - 55 Hz - 10 Hz scan for 1 minute, 2 hours each direction of X, Y and Z

Impacts

100 m/s² ( 10 G ), 3 times each in direction of X, Y and Z Oil resistant PVC cable (Ø 4 mm) - 150 mm lenght - M8 connector

Main cable (included)

Weight

65 g

Notes

(1) Pressure range within technical features of components are granted. (2) Pressure range possible to display on component. Pressure values displayed can also be off the nominal pressure range and in this case technical features are not granted.

3.4.452