Name: Dwyer Pressure Switch with 15 Amps Current Load Visible Set-Point Indicator and Large Diaphragm Design for HVAC Control
Brand: Xi'an Kacise Optronics Co.,Ltd.
SKU: 1638-0,1638-1,1638-10,1638-2,1638-5
Price: 152.00 USD
Availability: InStock

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Dwyer Pressure Switch with 15 Amps Current Load Visible Set-Point Indicator and Large Diaphragm Design for HVAC Control

1638-0 Dwyer Pressure Switches

1638-5 Dwyer Pressure Switches

1638-2 Dwyer Pressure Switches

Brand Name:

Dwyer

Certification:

Model Number:

1638-0,1638-1,1638-10,1638-2,1638-5

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Dwyer Pressure Switch with 15 Amps Current Load Visible Set-Point Indicator and Large Diaphragm Design for HVAC Control

Product Details

Pressure Limits:

10 Psig (68.95 KPa) Continuous, 25 Psig (172.4 KPa) Surge

Repeatability:

±1%

Service:

Air And Non-combustible, Compatible Gases

Temperature Limits:

-30 To 110°F

Process Connections:

1/8" Female NPT

Mounting Orientation:

Diaphragm In Vertical Position

Highlight:

1638-0 Dwyer Pressure Switches

1638-5 Dwyer Pressure Switches

1638-2 Dwyer Pressure Switches

Payment & Shipping Terms

Minimum Order Quantity

1PCS

Packaging Details

each unit has individual box and all boxes are packed in standard packages or customers requests available

Delivery Time

5-8 work days

Payment Terms

L/C,D/A,D/P,T/T,Western Union,MoneyGram

Supply Ability

1000 Piece/Pieces per Week negotiable

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Product Description

Dwyer Pressure Switches

Models: 1638-0, 1638-1, 1638-2, 1638-5, 1638-10

Product Overview

The Dwyer Pressure Switches (Series 1638) are reliable, precision instruments designed for pressure-based control in HVAC and industrial processes. These switches feature visible set-point indicators and large diaphragm designs for accurate operation in low-pressure ranges, enabling precise control of pumps, fans, and valves.

Capable of handling current loads up to 15 amps, they directly support small electrical loads without additional relays, simplifying system design and reducing installation costs.

Key Features

Visible Set-Point Indicator

Front-facing indicator allows quick visual confirmation of pressure set points, simplifying on-site adjustments and troubleshooting without specialized tools.
Large Diaphragm Design

Enhances sensitivity and accuracy in low-pressure applications, enabling precise pressure threshold detection for reliable system control.
High Current Load Capacity

Supports up to 15 amps, suitable for direct connection to small motors, solenoids, and alarms, eliminating the need for intermediate relays.
Versatile Pressure Ranges

Multiple models cover different pressure spans from 0-1 psi to 0-10 psi to suit various application requirements.
Rugged Construction

Durable housing suitable for indoor HVAC and general industrial environments with reliable performance in typical operating conditions.

Technical Specifications

Parameter	Value
Model Range	1638-0, 1638-1, 1638-2, 1638-5, 1638-10
Pressure Range	1638-0: 0-1 psi; 1638-1: 0-2 psi; 1638-2: 0-5 psi; 1638-5: 0-10 psi
Current Load	Up to 15 amps @ 125 VAC/28 VDC
Switch Type	SPDT (Single Pole, Double Throw)
Wetted Materials	Corrosion-resistant components for compatibility with air and non-corrosive gases
Mounting	Panel or surface mounting options

Tags：

Dwyer Pressure Switch with 15 Amps Current Load Visible Set-Point Indicator and Large Diaphragm Design for HVAC Control

1638-0 Dwyer Pressure Switches

1638-5 Dwyer Pressure Switches

1638-2 Dwyer Pressure Switches

1638-0 Dwyer Pressure Switches

1638-5 Dwyer Pressure Switches

1638-2 Dwyer Pressure Switches

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Dwyer AtmosphereGuard RHP Humidity/Temperature Transmitter with Dual-Parameter Sensing, Wide Power Input Range, and User-Friendly LCD Display

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