Murphy A25PWC, 20PWC specifications Base Model, Range, Options†

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Dimensions

Internal Wiring

Mounting

Clamp

1/8-27 NPTM Connection

A

B

C

Pointer

Contact

Mounting Hole

D

Contact Wiring (SWICHGAGE® models only)

20PWC Series: #6 one-point terminal block

25PWC Series: 18 AWG x 12 in.

(1.0 mm2 x 305 mm)

A25PWC Series: #6 terminal block

Limit Switch

1/16 Hex for Limit Switch

 

Contact

Contact Adjustment

 

 

 

 

 

 

 

 

 

 

20PWC Series

25PWC Series

A25PWC Series

 

A

 

2-7/32 (56)

2-1/8 (54)

1-51/64 (46)

 

B

 

1-5/16 (33)

1-3/8 (35)

1-27/64 (36)

 

 

 

 

 

 

 

C

 

2-15/64 (57)

3-1/8 (79)

2-29/32 (74)

 

 

 

 

 

 

 

D

 

2-1/16 (52)

2-11/16 (68)

2-11/16 (68)

 

 

 

 

 

 

NOTE: Dimensions are in inches and (millimeters).

Contact Rating: 2 Amps @ 30 VAC/DC. 20PWC and 25PWC are case ground. A25PWC is isolated ground.

How to Order

To order, use the diagram below. NOTE: List options in ascending alphabetical order (A-Z). Example: 20PWC-H-10.

Base Model

20PWC

20PWCG (Gage-only, no contacts)

25PWC*

25PWCG (Gage-only, no contacts)*

A25PWC*

A25PWCG (Gage-only, no contacts)*

*25 Series and A25 Series available in 0-30 in. (0-76 cm) and 0-50 (0-127 cm) ranges only.

– _____

Range

4 = 0-4 in. (0-10 cm)

10 = 0-10 in. (0-25 cm) 20 = 0-20 in. (0-51 cm) 30 = 0-30 in. (0-76 cm)

50 = 0-50 in. (0-127 cm)

Options

B1

= Black bezel; low profile

HL = High and low contacts (as optional)

B2

= Bezel; raised profile (was “HP”)

I = Illumination

B3

= Black bezel; raised profile (was “HBB”)

J = Screwdriver adjustable face contact

EX = Explosion-proof

K = Knob adjusting face contact

EL = Explosion-proof, less case

RP = Red tipped pointer

H = High contact only (as optional)

TP = Tamperproof contact

Options not available on all models or configurations.

In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time.

FRANK W.

®

Since 1939

MFR.

 

Frank W. Murphy Manufacturer

P.O. Box 470248; Tulsa, Oklahoma 74147; USA tel. (918) 627-3550 fax (918) 664-6146 e-mailfwmurphy@ionet.net

Frank W. Murphy Southern Division

P.O. Box 1819; Rosenberg, Texas 77471; USA tel. (281) 342-0297 fax (281) 341-6006 e-mailmurphysd@intertex.net

Frank W. Murphy, Ltd.

Church Rd.; Laverstock, Salisbury SP1 1QZ; U.K.

tel. +44 1722 410055 fax +44 1722 410088 tlx 477088 e-mailsales@fwmurphy.co.uk

Frank W. Murphy Pte., Ltd.

26 Siglap Drive; Republic of Singapore 456153 tel. +65 241-3166 fax +65 241-8382 e-mailfwmsales@fwmurphy.com.sg

Murphek Pty., Ltd.

1620 Hume Highway; Campbellfield, Vic 3061; Australia tel. +61 3 9358-5555 fax +61 3 9358-5558

Murphy de México, S.A. de C.V.

Blvd. Antonio Rocha Cordero 300, Fracción del Aguaje San Luis Potosí, S.L.P.; México 78384

tel. +52-48-206264 fax +52-48-206336 e-mailmurmexsl@infosel.net.mx

Murphy Switch of California

P.O. Box 900788; Palmdale, California 93590; USA tel. (805) 272-4700 fax (805) 947-7570 e-mailsales@murphyswitch.com

Frank W. Murphy France

tel. +33 1 30 762626 fax +33 1 30 763989

Printed in U.S.A.

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Contents Pecifications WarrantyDescription Options† Base ModelRange

25PWC, 20PWC, A25PWC specifications

The Murphy A25PWC, 20PWC, and 25PWC series represent a remarkable advancement in engine monitoring and control technology. Designed for robust performance in various applications, these powerful devices are pivotal for industries that rely on efficient engine operation.

The A25PWC, 20PWC, and 25PWC are advanced digital engine monitoring units, particularly known for their versatility and reliability. They cater to a range of engine sizes and types, making them highly adaptable for marine, industrial, and agricultural applications. One of the main features of the series is their precise monitoring capabilities, allowing users to keep track of critical engine parameters such as temperature, pressure, and RPM. This real-time data facilitates quick responses to potential issues, enhancing engine longevity and performance.

Another significant feature is their user-friendly interface. The devices are equipped with a bright LED display that provides clear visibility, ensuring operators can easily interpret the data even in challenging lighting conditions. The intuitive layout offers straightforward navigation, allowing users to access vital information with ease.

Built-in alarm capabilities are another critical characteristic of the Murphy A25PWC, 20PWC, and 25PWC series. These units are programmed to trigger alarms based on user-defined parameters, warning operators of any abnormalities. This proactive approach to monitoring helps prevent engine damage and minimizes downtime.

The series also boasts advanced communication technologies. The devices can be integrated into existing systems using various communication protocols, including CANbus and Modbus. This capability enables seamless data sharing with other monitoring and control systems, presenting a comprehensive overview of engine performance.

Moreover, these units are designed for durability and resilience. Crafted with high-quality materials, the A25PWC, 20PWC, and 25PWC can withstand harsh environmental conditions, making them suitable for outdoor and industrial settings.

In conclusion, the Murphy A25PWC, 20PWC, and 25PWC series are cutting-edge solutions for engine monitoring and control. With their precision monitoring, user-friendly interface, alarm systems, advanced communication technologies, and robust design, these devices stand out as essential tools for ensuring optimal engine performance and reliability across various industries. Whether for marine propulsion or power generation, these units provide the assurance needed for effective engine management.