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Dimensions
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)
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.
Options
†
B1 = Black bezel; low profile
B2 = Bezel; raised profile (was “HP”)
B3 = Black bezel; raised profile (was “HBB”)
EX = Explosion-proof
EL = Explosion-proof, less case
H = High contact only (as optional)
†
Options not available on all models or configurations.
How to Order
To order, use the diagram below. NOTE: List options in ascending alphabetical order (A-Z). Example: 20PWC-H-10.
_____ – _____ – _____
A
D
C
1/16 Hex for Limit Switch
Contact Adjustment
Limit Switch
Contact
Contact
Pointer
Mounting
Clamp
Contact Wiring (SWICHGAGE
®
models only)
• 20PWC Series: #6 one-point terminal block
• 25PWC Series: 18 AWG x 12 in.
(1.0 mm
2
x 305 mm)
• A25PWC Series: #6 terminal block
1/8-27 NPTM
Connection
Mounting Hole
B
Contact Rating: 2 Amps @ 30 VAC/DC.
20PWC and 25PWC are case ground.
A25PWC is isolated ground.
HL = High and low contacts (as optional)
I = Illumination
J = Screwdriver adjustable face contact
K = Knob adjusting face contact
RP = Red tipped pointer
TP = Tamperproof contact
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).
Internal Wiring
Printed in U.S.A.
®
FRANK W.
MFR.
■ Frank W. Murphy Manufacturer
P.O. Box 470248; Tulsa, Oklahoma 74147; USA
tel. (918) 627-3550 fax (918) 664-6146
e-mail fwmurphy@ionet.net
■ Frank W. Murphy Southern Division
P.O. Box 1819; Rosenberg, Texas 77471; USA
tel. (281) 342-0297 fax (281) 341-6006
e-mail murphysd@intertex.net
Since 1939
■ Frank W. Murphy, Ltd.
Church Rd.; Laverstock, Salisbury SP1 1QZ; U.K.
tel. +44 1722 410055 fax +44 1722 410088 tlx 477088
e-mail sales@fwmurphy.co.uk
■ Frank W. Murphy Pte., Ltd.
26 Siglap Drive; Republic of Singapore 456153
tel. +65 241-3166 fax +65 241-8382
e-mail fwmsales@fwmurphy.com.sg
■ Murphek Pty., Ltd.
1620 Hume Highway; Campbellfield, Vic 3061; Australia
tel. +61 3 9358-5555 fax +61 3 9358-5558
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.
■ 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-mail murmexsl@infosel.net.mx
■ Murphy Switch of California
P.O. Box 900788; Palmdale, California 93590; USA
tel. (805) 272-4700 fax (805) 947-7570
e-mail sales@murphyswitch.com
■ Frank W. Murphy France
tel. +33 1 30 762626 fax +33 1 30 763989
PHASED-OUT