DMS-20PC-2-FM-C Murata Power Solutions Inc, DMS-20PC-2-FM-C Datasheet - Page 2

• Manufacturer Part Number: DMS-20PC-2-FM-C
• Description: Digital Panel Meters 350-450Hz / 120Vac
• Manufacturer: Murata Power Solutions Inc

Specifications of DMS-20PC-2-FM-C

• Display Type: 3 Digit LED
• Mounting Style: Panel
• Number Of Outputs: 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: DMS-20PC-2-FM-C

Power Supply Polarity, Fusing, Wiring, and Grounding: DMS-20PC-FM’s two
ac-supply terminals are not polarity sensitive, that is, they have no “AC LO” or
“AC HI” designations. These units do not include nor require a connection to
earth/chassis ground.
All ac-supply wiring must be rated for the voltages and currents they will
conduct and comply with any code or application-mandated requirements
pertaining to the user’s specifi c installation. 300V UL rated wire suitable for the
intended application is required.
DMS-20PC-FM ac frequency meters are not internally fused. The rear threaded
standoff input-terminals are to be used only for powering the meter’s internal
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfi eld, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
E156931
(19.1)
0.75
UNC THD
#6-32
(27.2)
1.07
0.10
(2.5)
www.murata-ps.com/locations
(11.2)
0.44
(8.1)
0.32
0.156 (3.96 DEEP
(20.3)
0.80
#2-56 INSERT
Optional Bezel
DMS-BZL3-C
1.63 (41.1)
1.83 (46.5)
(25.4)
1.00
(1.016)
0.04
circuitry; they must not be used to supply power to external loads. Except for
plug-in models with blade terminals, which must be protected by an external
system circuit breaker or fuse, the supply wires feeding these meters must be
fused with a 0.25A/250V time delay/time lag fuse, in accordance with appli-
cable regulatory codes.
The recommended wire size is 16AWG to 20AWG (1.31mm
stranded copper wire. Wires must be properly stripped and attached to the
threaded standoffs such that their insulation is not pinched by the supplied
6-32 screws. Rated tightening torque for the 6-32 screws is 7 to 8 pound-
inches (0.8 to 0.9N-m).
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifi cations are subject to change without
notice.
(10.2)
(20.4)
0.44
0.88
(1.016)
0.10
(2.5)
0.04
(10.2)
0.44
Self-Powered, 3-Digit LED Display
DMS-20PC-FM Series
(10.2)
0.44
AC Line Frequency Monitors
22 Mar 2011 MPM_DMS-20PC-FM.G04 Page 2 of 2
Dimensions in inches (millimeters)
Tolerances: 2 PL Dec ±0.02 (±0.51)
Recommended panel cutout dimensions:
Internal corner radii 0.032 (0.81) Max.
(35.1)
(33.0)
1.30
1.38
3 PL Dec ±0.010 (±0.254)
1.336 (33.93)W × 0.838 (21.29)H
email: [e-mail]
© 2011 Murata Power Solutions, Inc.
2
to 0.52mm
2
)