Page 1
M Series
Power Entry Modules Patent No. 4,488,201
with Optional RFIPower Line Filters
for General and Medical Applications
ULRecognized
CSACertified
VDE Approved
M Series
The M series power entry modules offer the most choices
of power entry components and filtering options to fit a
specific need. The fully configured M series expands the
options of a manufacturer whose products are marketed
worldwide. One component, fully assembled and tested,
provides the capability of interfacing a multi-voltage power
supply to any common voltage or fusing scheme in the
world, without modification.
•The IECconnector provides an internationally accepted
power entry termination, which can be used with a
variety of line cords.
•The selectable fuseholder allows use of single or dual
European fuses, or a single North American fuse.
•The optional DPST on/off switch breaks both sides of the
line and is labeled with the international I/O markings.
•The optional voltage selector provides a convenient
means to change transformer primary connection, and it
is available in both 2-voltage and 4-voltage
configurations.
•The series is available with four filter circuits to meet a
variety of applications, and convenient connections are
provided on unfiltered models to allow wiring of a
separate RFIfilter.
The M series is a family of components offering maximum
flexibility and cost-effectiveness in the selection of primary
power components. Wiring to the modules is
accomplished via .110” terminals for labor savings and
convenience.
Four filter circuits provide a choice of attenuation tailored
to specific categories of susceptibility and emissions
needs.
HM Models– This medical filter provides susceptibility
protection without the leakage current associated with lineto-ground capacitors. Designed to allow equipment to
meet UL544 for patient care and nonpatient care
equipment, the HMfilter has a maximum leakage current
of 2 µA at 120 VAC60 Hz. See Appendix Cfor more
information on medical applications and ULstandards.
FM Models– General purpose RFIfilter designed for
susceptibility applications, effectively providing RFI
controlof line-to-ground noise. The design is compact and
meets the very low leakage current requirements of VDE
portable equipment as well as (120 Volt) UL544 nonpatient
medical equipment.
XM/ZM
VM
XM Models– High performance RFIfilter designed to
bring most digital equipment (including switching power
supplies)into compliance with FCC Part 15J, Class B
conducted emissions limits.
ZM Models– Premium RFIfilter designed to bring most
digital equipment (including switching power supplies) into
compliance with EN55022, Level B(as well as FCC Part
15J, Class B) conducted emissions limits.
Ordering Information
Consult your local Corcom sales representative for pricing.
Available Part Numbers
Filtered Unfiltered
5EHM1 3EXM1S 6VM1
5EHM1S 3EXM4 6VM1C
5EHM4 3EXM4S 6VM1S
5EHM4S 3EZM1S 6VM1SC
5EFM1 3EZM4 6VM2
5EFM1C 3EZM4S 6VM2S
5EFM1S 6VM4
5EFM1SC 6VM4C
5EFM4 6VM4S
5EFM4C 6VM4SC
5EFM4S
5EFM4SC
Libertyville, IL (847) 680-7400
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Series M
Fuse Block/Cover Assembly
To change from North American to European fusing: open
cover, using small blade screwdriver or similar tool; loosen
Phillips screw two turns; remove fuse block by sliding up,
then away from Phillips screw and lifting up from pedestal;
change fuses; (note that twoEuropean fuses are required,
although a dummy fuse may be used in the neutral [lower]
holder); invert fuse block and slide back onto Phillips
screw and pedestal; tighten Phillips screw, and replace
cover(note that fuse(s) that go into the housing first are
the active set).
Fuse Changing
European Fusing Arrangement
Specifications – Unfiltered Models
Hipot rating (one minute):
line-to-ground 1500 VAC
line-to-line 1450 VDC
line-to-load (switch off) 2500 VAC
Operating voltages: 100, 120, 230, 240 VAC
Operating frequency: 50/60 Hz
Switch:
Double-insulated, rated for
100,000 operations at full load;
10,000 operations at 70 Amps inrush current.
Fuse (not included): Reversible fuseholder
accepts one 1/4 x 1-1/4” fuse
or two 5 x 20mm fuses.
Terminals: .110” (2.79mm) terminals
Electrical Schematics – Unfiltered Models
VM (1-Voltage)
North American Fusing Arrangement
Voltage Selection
To change selected voltage: open cover, using small blade
screwdriver or similar tool; set aside cover/fuse block
assembly; pull voltage selector card straight out of
housing, using indicator pin; orient selector card so that
desired voltage is readable at the bottom; orient indicator
pin to point up when desired voltage is readable at bottom
(note that when indicator pin is fixed, successive voltages
are selected by rotating the card 90° clockwise); insert
voltage selector card into housing, printed side of card
facing forward toward IEC connector and edge containing
the desired voltage first; replace cover, and verify that
indicator pin shows the desired voltage.
Voltage Selector Card Orientation
Note 3
VM (2-Voltage)
Note 2
Note 3
Note 1
Note 1
Note 4
VM (4-Voltage)
Note 2
Note 3
Note 1:Jumpers required if no input filter is used.
Note 2:Provision for dual European style fusing.
Note 3:On/off switch present only with “S” suffix.
Note 4:When using a center-tapped transformer, the C-F winding should
be the low voltage (high current) winding and must be capable of
handling the full primary current in the 120V position.
230V Nomenclature relates to pending European
CENELECagreement.
Note 1
Note 1
LA
99
Libertyville, IL (847) 680-7400
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MSeries
Case Styles – Unfiltered Models
Metric shown in italics.
6VM1
IECConnector, Selectable Fuseholder
6VM1C
IEC Connector, Selectable Fuseholder, Snap-In
6VM1S
IEC Connector, DPST On/Off Switch, Selectable Fuseholder
Case Dimensions – Unfiltered Models
Metric shown in italics.
Part No. A B C D E F
6VM1
6VM1C
6VM1S
6VM1SC
6VM2 3.88 3.32 1.14 2.92 1.45 2.98
6VM4 98.6 84.3 29.0 74.2 36.8 75.7
6VM4C
6VM2S 4.65 4.1 1.14 3.72 1.45 3.76
6VM4S 118.1104.1 29.0 94.5 36.8 95.5
6VM4SC
6VM4C
IEC Connector, Voltage Selector, Selectable Fuseholder, Snap-In
± 0.01
(max) (max) (max) (max)(max)
± 0.25
3.39 2.84 1.14 2.44 1.45 2.5
86.1 72.1 29.0 62.0 36.8 63.5
2.56 1.14 2.44 1.45 2.5
86.1 29.0 62.0 36.8 63.2
4.17 3.62 1.14 3.22 1.45 3.28
105.9 91.9 29.0 81.8 36.8 83.3
3.34 1.14 3.27 1.45 3.27
84.8 29.0 83.1 36.8 83.1
3.04 1.14 2.92 1.45 2.97
98.6 29.0 74.2 36.8 75.4
3.82 1.14 3.7 1.45 3.75
97.0 29.0 94.0 36.8 95.3
00
6VM1SC
IEC Connector, DPST On/Off Switch, Selectable Fuseholder, Snap-In
6VM2 &6VM4
IEC Connector, Voltage Selector, Selectable Fuseholder
6VM2S &6VM4S
IEC Connector, DPST On/Off Switch, Voltage Selector, Selectable Fuseholder
6VM4SC
IEC Connector, DPST On/Off Switch, Voltage Selector, Selectable Fuseholder,
Snap-In
Recommended Panel Cutout
Unfiltered Models
Note: Snap-in models allow front mount only.
All mounting holes countersunk.
Typical Dimensions
Mounting holes: Dia. (2) Terminals: Torque: 7 in. lbs. max.
Holes: Dia. , except solder lug ground tap with wire wrap.
Note: Mounting holes on tabs are countersunk and take #6 flathead screw.
.055
1.40
.155
3.94
±.004
±.10
.110
2.79
Libertyville, IL (847) 680-7400
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101
Series M
Specifications – Filtered Models
Maximum leakage current, each line-to-ground:
@ 120 VAC60 Hz: HMModels 2 µA
FM Models 0.25 mA
XM/ZM Models 0.30 mA
@ 250 VAC50 Hz: HM Models 5 µA
FM/XM/ZM Models 0.50 mA
Hipot rating (one minute):
line-to-ground HM Models 1500 VAC
FM/XM/ZM 1500 VAC
line-to-line All Models 1450 VDC
Operating voltages: 100, 120, 230, 240 VAC
Operating frequency: 50/60 Hz
Rated voltage: 120/250 VAC
Switch: Rated for 100,000 operations
at full load; 10,000
operations at 70 Amps inrush current.
Fuse (not included): Reversible fuseholder
accepts one 1/4 x 1-1/4” fuse
or two 5 x 20 mm fuses.
Terminals: .110” (2.79mm) terminals
Electrical Schematics – Filtered Models
FM & HM (1-Voltage)
Note 1
Note 3
Note 2
FM& HM (4-Voltage)
Note 2
Note 1
Note 3
XM & ZM(1-Voltage)
Note 1
Note 4
Note 4
Minimum insertion loss in dB:
Line-to-ground in 50 ohm circuit:
Current Frequency-MHz
Rating .01 .05 .15 .5 1 5 10 30
FM Models
5A - - 14 21 26 40 45 40
HM Models
5A - - 14 18 19 22 22 17
XM Models
3A 2 13 23 40 46 44 44 44
ZM Models
3A 15 29 39 46 43 40 40 40
Line-to-line in 50 ohm circuit
Current Frequency-MHz
Rating .02 .03 .05 .07 .15 .5 1 5 10 30
XM Models
3A - - - 5 34 62 68 60 50 40
ZM Models
3A 5 13 28 37 55 75 75 62 54 44
230V Nomenclature relates to pending European
CENELEC agreement.
Note 2
XM & ZM (4-Voltage)
Note 1
Note 2
Note 1:Provision for dual fusing (Euro standard)
Note 2:Power on/off switch with suffix “S” only
Note 3:HM models without line-to-ground capacitors
Note 4:Models HM4, FM4, XM4, and ZM4 have added terminals K and L.
External switch or jumper must be placed from K to H and L to J.
230V Nomenclature relates to pending European
CENELECagreement.
Note 4
Note 4
M
Libertyville, IL (847) 680-7400
Page 5
MSeries
M
Case Styles – Filtered Models
Metric shown in italics.
3EXM4 & 3EZM4
IECConnector, Voltage Selector, Selectable Fuseholder
3EXM1S & 3EZM1S
IEC Connector, DPSTOn/Off Switch, SelectableFuseholder
5EFM1C
IEC Connector, Selectable Fuseholder
5EFM1SC
IEC Connector, DPST On/Off Switch, Selectable Fuseholder
5EFM4C
IEC Connector, Voltage Selector, Selectable Fuseholder
3EXM4S & 3EZM4S
IEC Connector, DPSTOn/Off Switch, Voltage Selector, SelectableFuseholder
5EFM4SC
IEC Connector, DPST On/Off Switch, Voltage Selector, Selectable Fuseholder
02
Libertyville, IL (847) 680-7400
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103
5EHM1 & 5EFM1
IECConnector, Selectable Fuseholder
5EHM1S &5EFM1S
IEC Connector, DPST On/Off Switch, Selectable Fuseholder
5EHM4 & 5EFM4
IEC Connector, DPST On/Off Switch, Selectable Fuseholder
Case Dimensions – Filtered Models
Metric shown in italics.
Part No.
A B C D E F G
± 0.01
(max) (max)(max)(max)(max)
± 0.25
5EFM1 3.39 2.84 1.14 2.44 2.19 2.5
5EHM1 86.1 72.1 29.0 62.0 55.6 63.5
5EFM1C
2.56 1.14 2.44 2.19 2.49
65.0 29.0 62.0 55.6 63.2
5EFM1S 4.17 3.62 1.14 3.22 2.19 3.28
5EHM1S 105.9 91.9 29.0 81.8 55.6 83.3
5EFM1SC
3.34 1.14 3.27 2.19 3.27
84.8 29.0 83.1 55.6 83.1
5EFM4 3.88 3.32 1.14 2.92 2.19 2.98
5EHM4 98.6 84.3 29.0 74.2 55.6 75.7
5EFM4C
3.04 1.14 2.92 2.19 2.97
77.2 29.0 74.2 55.6 75.4
5EFM4S 4.65 4.1 1.14 3.7 2.19 3.76
5EHM4S 118.1104.1 29.0 94.0 55.6 95.5
5EFM4SC
3.82 1.14 3.7 2.19 3.75
97.0 29.0 94.0 55.6 95.3
3EXM1S 4.17 3.62 1.14 3.22 1.72 3.28 3.3
3EZM1S 105.9 91.9 29.0 81.8 43.7 83.8 83.8
3EXM4 3.88 3.32 1.14 2.92 1.72 2.98 2.99
3EZM4 98.6 84.3 29.0 74.2 43.7 75.7 75.9
3EXM4S 4.65 4.1 1.14 3.72 1.72 3.76 3.8
3EZM4S 118.1104.1 29.0 94.5 43.7 95.5 96.5
Recommended Panel Cutout
Filtered Models
5EHM4S & 5EFM4S
IEC Connector, DPST On/Off Switch, Voltage Selector, Selectable Fuseholder
Libertyville, IL (847) 680-7400
Note: Snap-in models allow front mount only.
XM and ZM models allow back mount only.
FM and HM models allow front or back mount.
All mounting holes countersunk.
Typical Dimensions
Mounting holes: Dia. (2) Terminals: Torque: 7 in. lbs. max.
Holes: Dia. , except solder lug ground tap with wire wrap.
Note: Mounting holes on tabs are countersunk and take #6 flathead screw.
.055
1.40
.155
3.94
±.004
±.10
.110
2.79
M
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