A2G-40

On order

WIKA · Pressure measurement · Family A2G

Differential pressure switch

Name: Differential pressure switch
Brand: WIKA

For ventilation and air-conditioning

Range

20…4500 Pa

Accuracy

±8 Pa

Protection

IP54

RoHSEACWEEECEEMC

Price

On request

Depends on configuration

Request a quote

+38 (067) 285-77-70·info@avigan.com.uaViberTelegram

Description

The model A2G-40 differential pressure switch, in the Δp function, monitors filters and ventilators in ventilation ducts and air shutters.

Six pressure range increments are available. The differential pressure switch is characterised by its simple mounting and high reliability.

Differential pressure switch, model A2G-40

Special features

Six pressure range increments
Easy to install and assemble
Very reliable
Robust case and practical design

Identification

Model	A2G-40
Product family	A2G
Subcategory	Differential pressure switch

Measuring range

Pressure ranges

20…200 Pa · 30…300 Pa · 30…500 Pa · 40…600 Pa · 100…1500 Pa · 500…4500 Pa

Accuracy

Accuracy class

±8 Pa, ±20 Pa, ±100 Pa

Process conditions

Process connection	Connecting nozzle, side mount, for hoses with inner diameter 4 ... 6 mm
Process temperature	−20…+60 °C

Electrical characteristics

Electrical connection	Cable gland M16, Screw terminals max. 1.5 mm²
Switching function	Switch point with fixed differential
Switching contacts	1

Materials

Case material	Plastic (ABS)
Wetted parts material	Silicone, Plastic, Diaphragm: Silicone, Seals: Plastic
Sealing material	Plastic

Operating environment

Ambient temperature	−20…+85 °C
IP rating	IP54
Weight	0.15 kg

Certifications and approvals

Certifications

RoHSEACWEEECEEMC

Additional details

Datasheet languages

Tables from datasheet

Differential pressure switch, model A2G-40

Switch point accuracy	Pressure range	Lowest limit	Highest limit
20 ... 200 Pa [0.08 ... 0.8 inWC]	±8 Pa [±0.03 inWC]	±15%	20 Pa [0.08 inWC]
30 ... 300 Pa [0.12 ... 1.20 inWC]	±8 Pa [±0.03 inWC]	±15%	25 Pa [0.10 inWC]
30 ... 500 Pa [0.12 ... 2.00 inWC]	±8 Pa [±0.03 inWC]	±15%	25 Pa [0.10 inWC]
40 ... 600 Pa [0.16... 2.41 inWC]	±8 Pa [±0.03 inWC]	±15%	35 Pa [0.14 inWC]
100 ... 1,500 Pa [0.40 ... 6.02 inWC]	±20 Pa [±0.08 inWC]	±15%	80 Pa [0.32 inWC]
500 ... 4,500 Pa [2.00 ... 18.08 inWC]	±100 Pa [±0.40 inWC]	±15%	250 Pa [1.00 inWC]
Unit	■ Pa ■ kPa ■ inWC ■ mmWC ■ mbar
Maximum operating pressure	■ Test pressure: 25 kPa [100 inWC] ■ Burst pressure: 50 kPA [200 inWC]
Process connection	Connecting nozzle, side mount, for hoses with inner diameter 4 ...6 mm[0.16 ries')	…0.24 in] (see 'Accesso -
Electrical connection	Cable gland M16 Screw terminals max.1.5mm ² [0.002 in²]
Switching power
Voltage	Pressure range 20 ... 200 Pa	All other pressure ranges
Resistive load (cos φ≈1)	Resistive load (cos φ≈1)	Inductive load (cos φ≈0.6 - 0.7)
AC 125V	0.1 A	3 A	2 A
AC 250V	0.1 A	3 A	2 A
DC 30V	0.1 A	3 A	2 A
DC 125V	-	0.4 A	0.05 A
Mounting type	Wall mounting
Materials
Case	Plastic (ABS)
Window	Polycarbonate (PC)
Diaphragm	Silicone
Seals	Plastic
Permissible temperatures
Medium	-20 ...+60 °C [-4 …+140 °F]
Ambient	-20 ...+85 °C [-4 …+185 °F]
Relative humidity, condensation	0 ... 95 %r.h., non-condensing
Ingress protection per IEC/EN 60529	IP54
Weight	150 g [0.33 lbs]

Logo	Description	Country
	EU declaration of conformity	European Union
	LowVoltage Directive
	RoHS conformity
	WEEE directive
	EAC	Eurasian Economic Community G
	EMCdirective	H
	LowVoltage Directive	I

Certificates

Certificates	2.2 test report per EN 10204 (e.g. state-of-the-art manufacturing, material proof, indication accuracy)

Dimensions in mm[in]

A	B	C	D	E	Ø F	G	H	I	J	K	L	M	N	O	P
73	M N 15.1	10.2	5.5	9.5	4	73	52.7	5.6	3.9	94	107	10.15	7.05	16	63
[2.87]	[0.59]	[0.39]	[0.2]	[0.37]	[0.16]	[2.87]	[2.05]	[0.2]	[0.15]	[3.70]	[4.21]	[0.39]	[0.28]	[0.63]	[2.48]

View all (5)

Description	Order number
Measuring hoses
PVC hose, inner diameter 4 mm[0.15 in], roll at 25 m[19.68 ft]	40217841
PVC hose, inner diameter 6 mm[0.23 in], roll at 25 m[19.68 ft]	40217850
Silicone hose, inner diameter 4 mm[0.15 in], roll at 25 m[19.68 ft]	40217906
Silicone hose, inner diameter 6 mm[0.23 in], roll at 25 m[19.68 ft]	40217914
Duct connectors for measuring hoses Ø 4 …6mm[0.16 …0.24 in]	40217507