MTE Series RLW reactors are components designed to improve the reliability of three or
single phase AC adjustable frequency drives, DC drives and a wide variety of other types
of power electronic equipment. In addition they provide input line current harmonic
mitigation and 100 foot long lead protection for inverter fed motors. MTE reactors are
available in a large number of current ratings and a variety of inductance values. The
suitability of a reactor for a specific application must therefore be ultimately determined by
the customer. In no event will MTE Corporation assume responsibility or liability for any
direct or consequential damages resulting from the use or application of reactors. Nor will
MTE Corporation assume patent liability with respect to the use of information, circuits or
equipment described in this instruction manual.
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 2
Supersedes INSTR-030 Rel. 090930
Page 3
TableofContents
IMPORTANT SAFETY INFORMATION WARNING...........................................................................................4
UPON RECEIPT OF A REACTOR: ..................................................................................................................................6
POWER WIRING CONNECTION ....................................................................................................................................8
SINGLE PHASE CONNECTION .....................................................................................................................................10
SEQUENCE OF OPERATION........................................................................................................................................11
MODEL CODE PART NUMBER CONFIGURATION.......................................................................................13
OPEN PANEL.............................................................................................................................................................14
ALTITUDE DERATING AND INDUCTANCE CURVE CHARTS....................................................................26
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 3
Supersedes INSTR-030 Rel. 090930
Page 4
IMPORTANT SAFETY INFORMATION WARNING
ONLY A QUALIFIED ELECTRICIAN CAN CARRY OUT
THE ELECTRICAL INSTALLATION OF LINE/LOAD
REACTORS
WARNING
High voltage is used in the operation of line/load reactors. Use Extreme caution to
avoid contact with high voltage when operating, installing or repairing equipment
containing line/load reactors.
INJURY OR DEATH MAY RESULT IF SAFETY PRECAUTIONS ARE
NOT OBSERVED.
Line/load reactors are used in conjunction with inverters, or other electrical
equipment that may feedback lethal voltages. Follow the safety instructions in
the equipment used with the reactor in addition to the safety instruction in this
manual.
WARNING
The opening of the branch circuit protective device may be an indication that a fault
current has been interrupted. To reduce the risk of fire or electrical shock, line/load
reactors should be examined and replaced if damaged.
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 4
Supersedes INSTR-030 Rel. 090930
Page 5
IMPORTANT SAFETY INFORMATION WARNING, CONT.
WARNING
An upstream disconnect/protection device must be used as required by the
National Electrical Code (NEC).
WARNING
Even if the upstream disconnect/protection device is open, a drive or inverter
downstream of the line/load reactor may feedback high voltage to the reactor.
The inverter or drive safety instructions must be followed. INJURY OR
DEATH MAY RESULT IF THE DRIVE SAFETY PRECAUTIONS ARE
NOT OBSERVED.
WARNING
The frame of line/load reactors must be grounded at least at one of the
reactor’s mounting holes.
WARNING
Only spare parts obtained from MTE Corporation or an authorized MTE
distributor can be used
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 5
Supersedes INSTR-030 Rel. 090930
Page 6
INTRODUCTION
This manual was specifically developed to assist in the installation, interconnection and operation of
MTE Corporation Series RLW reactors
This manual is intended for use by personnel experienced in the operation and maintenance of electronic
drives, inverters and similar types of power electronic equipment. Because of the high voltages required by the
equipment connected to line/load reactors and the potential dangers presented by rotating machinery, it is
essential that all personnel involved in the operation and maintenance of line/load reactors know and practice
the necessary safety precautions for this type of equipment. Personnel should read and understand
the instructions contained in this manual before installing, operating or servicing line/load reactors and
the drive to which the reactor is connected.
Upon Receipt of a Reactor:
MTE Line/load Reactors have been subjected to demanding factory tests before shipment. Carefully
inspect the shipping container for damage that may have occurred in transit. Then unpack the filter and
carefully inspect for any signs of damage. Save the shipping container for future transport of the
reactor.
In the event of damage, please contact and file a claim with the freight carrier involved
immediately.
If the equipment is not going to be put into service upon receipt, cover and store the reactor in a clean, dry
location. After storage, ensure that the equipment is dry and that no condensation has accumulated on
the reactor before applying power.
Repair/Exchange Procedure
MTE Corporation requires a Returned Material Authorization Number before it can accept any reactors
that qualify for return or repair. If problems or questions arise during installation, setup, or operation of the filter,
please call us for assistance at:
Phone: 1-262-253-8200
FAX: 1-858-300-5070
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 6
Supersedes INSTR-030 Rel. 090930
Page 7
Reactor Installation
MTE world reactors are available in open construction and in NEMA 1 and NEMA 3R enclosures.
Open reactors are designed for mounting within an appropriate electrical equipment enclosure.
Reactors rated 300 amperes RMS and under are designed for mounting in both a vertical and
horizontal position. Larger reactors must be mounted in a horizontal position typically on the floor of the
enclosure. Include the power dissipation of the reactor along with all the other components located in the
enclosure to determine the internal temperature rise and cooling requirements of the enclosure.
Reactors may be located in any region of the enclosure where the ambient temperature does not exceed
45 degrees C. Allow a minimum side clearances of four (4) inches and vertical clearances of six (6) inches
for proper heat dissipation and access. Do not locate the reactor next to resistors or any other component
with operating surface temperatures above 125 degree C.
Select a well-ventilated, dust-free area away from direct sunlight, rain or moisture. Do not install in or near a
corrosive environment. Avoid locations where the reactor will be subjected to excessive vibrations.
NEMA 1 and NEMA 3R Enclosed world Reactor Installation
MTE RLW reactors mounted in enclosures with part number, CAB-8, are designed for wall mounting.
All other enclosures are designed for floor mounting and only RLW reactors 200 Amps and higher are
available in a NEMA 3R enclosure.
WARNING
MTE NEMA 1 and NEMA 3R enclosures designed for floor mounting must be mounted with the
enclosure base horizontal for proper ventilation. Wall mounting a floor mounted enclosure with
the base against the wall will cause the reactor to overheat resulting in equip ment d amage.
Allow a minimum side, front, and back clearances of twelve (12) inches and vertical clearances of
eighteen (18) inches for proper heat dissipation and access. Do not locate the enclosure next to resistors
or any other component with operating surface temperatures above 125 degree C.
Select a well-ventilated, dust-free area away from direct sunlight, rain or moisture where the ambient
temperature does not exceed 40 degrees C.
Do not install in or near a corrosive environment.
Avoid locations where the reactor will be subjected to excessive vibrations.
Where desirable, reactors or enclosures may be mounted on vibration isolating pads to reduce audible
noise. Standard vibration control pads made from neoprene or natural rubber and selected for the
weight of the enclosed reactor are effective.
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 7
Supersedes INSTR-030 Rel. 090930
Page 8
Power Wiring Connection
WARNING
Input and output power wiring to the reactor should be performed by authorized
personnel in accordance with the NEC and all local electrical codes and
regulations.
Verify that the power source to which the reactor is to be connected is in agreement with the nameplate
data on the reactor. A fused disconnect switch or circuit breaker should be installed between the reactor
and its source of power in accordance with the requirements of the NEC and all local electrical codes and
regulations. Refer to the drive, inverter, or other electrical equipment user manual for selection of the correct
fuse rating and class.
The reactor is suitable for use on a circuit capable of delivering not more than 65,000 rms symmetrical
amperes at 480 volts when protected by Bussman type JJS, KTK, KTK-R, SPP or T class fuses.
Reactors are designed for use with copper conductors with a minimum temperature rating of 75
degrees C. Table 2 lists the wire range and terminal torque requirements for the power input and output
connections by reactor part number.
Refer to Figure 7 for typical electrical diagrams describing the application of reactors in both line and
load applications. For reactors supplied as a component part of a drive system or a component part of
power electronic apparatus follow the interconnection diagram supplied by the System Engineer.
Where desirable, a flexible conduit connection to the reactor enclosure should be made to reduce
audible noise.
WARNING
Failure to connect reactors supplied as a component part of a drive system or other power
electronic system according to the sy stem interconnection diagram supplied by t he Syst em
Engineer will result in equipment damage, injury, or death.
WARNING
If a line reactor or a line reactor and a load reactor are used with a drive equipped with a bypass
circuit, the reactors must be removed from the motor circuit in the bypass mode. Damage to the
motor and other equipment will result if this warning is not observed.
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 8
Supersedes INSTR-030 Rel. 090930
Page 9
Grounding
A stud is provided on enclosed reactors for grounding the enclosure. The enclosure
must be grounded. Open reactors must be grounded at the designated grounding
terminal or the reactor mounting holes if no designated grounding terminal is provided.
WARNING
The frame of line/load reactors must be grounded at the designated grounding terminal or
one of the reactor mounting holes if no designated grounding terminal is provided. The
enclosure of reactors supplied in enclosures must be grounded.
INJURY OR DEATH MAY RESULT IF SAFETY PRECAUTIONS ARE NOT
OBSERVED.
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 9
Supersedes INSTR-030 Rel. 090930
Page 10
Connection Diagrams
Load reactor connections
Note RLW requires current de-rating
for load applications see RLW-TRM
for selection tables
Conventional Line side reactor to
VFD connections
Note; Actual marking of U1 -U2,
V1-V2, W1-W2 designations on
reactor terminals in place of A1A2, B1-B2, C1-C2 as shown to
left.
Single phase connection
Standard three phase reactors may be used
for single phase applications. Refer to
Application Note AN0102 for proper
selection. Application Notes are available
on our website at
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 10
Supersedes INSTR-030 Rel. 090930
www.mtecorp.com.
Page 11
STARTUP
Safety Precautions
Before startup, observe the following warnings and instructions:
WARNING
A Reactor is at line potential when the Reactor is connected to the utility . This v oltage i s
extremely dangerous and may cause death or severe injury if you come in contact with it.
WARNING
High voltage is used in the operation of line /l o a d reactors. Use Extreme caution to
avoid contact with high voltage when operating, install i ng or repairing equipment
containing reactors. RLW reactors are used in conjunction with inverters, or other
electrical equipment that may feedback lethal voltages.
Foll ow t h e s a f e t y i n s t r u c t i o n s i n t h e e q u i p m e n t u s e d w i t h t h e reactor in addition to the sa f e t y
instruction in this manual.
INJURY OR DEATH MAY RESULT IF SAFETYPRECAUTIONS ARE NOT OBSERVED.
Sequence of Operation
1. Read and follow safety precautions.
2. After installation, ensure that:
• All Reactor ground terminals are connected to ground.
• Power wir in g to the u til it y, dr ive and motor is in accordance with the
interconnection diagrams supplied by the System Engineer.
3. Check that moisture has not condensed on the Reactor. If moisture is
present, do not pr oceed with startup until the moisture has been removed.
4. Proceed with startup according to the instructions provided by the system
supplier.
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 11
Supersedes INSTR-030 Rel. 090930
Page 12
STARTUP, Cont.
WARNING
Reactors are a component part of an electrical system. Do not proceed with startup until the
sy st e m s t ar t u p i n st r uc t io n s pr o vi d ed b y th e System Engineer are understood and fo l l o we d .
In j ur y , d e a th a nd d am a g e t o eq u i pm e nt may result if the system startup instructions are not
followed.
WARNING
Use extreme caution to avoid contact with line voltage when checking for po wer.
INJURY OR DEATH MAY RESULT IF SAFETY PRECAUTIONS ARE NOT OBSERVED.
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 12
Supersedes INSTR-030 Rel. 090930
Page 13
Model Code Part Number Configuration
Model Number Code System: RLW- _ _ _ _ X X -
Reactor “W” world
.
Current Rating (i.e. 00P5 is 0.5 Amps)
Mechanical Configurations
0 = Base Mount
1 = NEMA 1
3 = NEMA 3R
Reactor relative impedance no.
1- 6 (1) is lowest value
Options:
KIT- 0038 = DIN Rail Mount
KIT-0039 = RL conversion Plate
KIT-0040 = Vibration
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 13
Supersedes INSTR-030 Rel. 090930
Page 14
Mechanical Data
Open Panel
RMS Open Part Number Dimension in inches
Amps Open PN Wt Fig A width B Height C Depth D E F
Dimensional details contained here depict overall reactor sizes. See mtecorp.com for
complete mechanical details and CAD drawing download.
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 19
Supersedes INSTR-030 Rel. 090930
Page 20
Factory Configured Options
KIT-0038
DIN rail Mount.
A DIN rail mounting option is provided to utilize standard 35mm panel mounted DIN rail for securing
the reactor via two steel mounting clips. The DIN rail kit is only available on snap channel reactors up
to 7 amps and indicated by figure 1- 2 on mechanical table.
KIT-0039
RL base mount converter plate.
The base plate adaptor option will allow the RLW to use existing RL bolt hole mounting patterns.
KIT-0040
Vibration pads for enclosure mounting.
Vibration isolation for enclosed reactors may be fitted with an optional vibration pad to dampen
cabinet vibrations from the reactor.
KIT -0039 converter plate
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 20
Supersedes INSTR-030 Rel. 090930
Page 21
Outline Drawings
See mtecorp.com for complete mechanical details and CAD drawing download.
Figure 1 Snap Base Mount Figure 2 35mm DIN Mount option
Figure 3 Standard Mounting
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 21
Supersedes INSTR-030 Rel. 090930
Page 22
Outline Drawings
Figure 4 Cab – 8
Figure 5 Cab 13V
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 22
Supersedes INSTR-030 Rel. 090930
Page 23
Figure 6 Cab 17V
Figure 7 Cab 17C
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 23
Supersedes INSTR-030 Rel. 090930
Page 24
Figure 8 Cab 26C
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 24
Supersedes INSTR-030 Rel. 090930
Page 25
Specification Data
Impedance basis Calculation: % Z= (I/V) x 2πfL√3 x 100
Service Factor
Line (continuous): 100%
Load80% 100 foot long lead limit
Overload RatingLine side 150% of RMS rating for 1 minute
200% of RMS rating for 10 seconds
Maximum system voltage 690 Volts
Switching frequency Maximum 20 KHz
Minimum 1 KHz
Insulation system 200º C
Temperature rise 140 C (average)
Ambient temperature Full load:
-40 to 50º C Open
-40 to 45º C Enclosed
-40 to 90º C Storage
Altitude (de-rating) see altitude de-rating curve
Fundamental frequency 50/60 Hz de-rate above 60 Hz
Inductance tolerance +/- 10%
Inductance curve (typical) 100% at 100% current
80% at 150% current
50% at 200% current
Dielectric Strength 4000 volts RMS (2200 volts peak repetitive)
Max audible level at two meters: Line applications: 65 dBa
Load applications: 76 dBa
Approvals:Up to 600V: CE, UL-508, Type RL cUL per CSA
C22.2
690V: CE. Consult Factory for UL on 690V
Note: Short circuit rating not required under Exception No.1 of UL508A SB4.2.1 effective
4/25/06
Enclosures:MTECab-8,13V,17V have NEMA1
Cab 12C and up are NEMA1rated as NEMA2
(Indoor rating with ripping water protection)
MTE NEMA 3R is a type 3R outdoor rating
DIN Rail Mount:2 spring steel screw mounts for 35mm rail With
10-32 screws
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 25
Supersedes INSTR-030 Rel. 090930
Page 26
Altitude Derating and Inductance Curve Charts
Altitude Derating Curve
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
Curr e n t De-Ra ting F act o r
03300660099001320016500
Altitude (F eet)
RLW Inductance curv e
100
90
80
70
60
50
40
30
% Nominal Inductance
20
10
0
50100150200250
% Rated Current
Data subject to change without notice.
Form RLW-UIM-E September 2010 Page 26
Supersedes INSTR-030 Rel. 090930
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