SLI 15 Inverter Series Data Sheet
1500 Watt, 1U Compact Inverters
Features
Applications
Telecom
IT
Industrial
New, compact design: 1U height x 19" width
x 14.94" depth; 19" rack-mountable
High efficiency: up to 93%
True sine wave output
Parallelable output with current share and
synchronization of multiple inverters working
in parallel
Front panel LCD display to monitor and set
the main parameters
RS-485 serial link
Constant input current sink from battery for
extended life
Optional hot-swappable configuration
Optional internal Static Transfer Switch
In the -STS version, ON line (primary source
to the load) or OFF line mode (UPS like)
Configurable for being used as Three Phase
source, 3 units
Safety
in compliance with IEC60950:1999, 3
rd
edition;
EN60950:2000; UL60950, 3
rd
edition; CSA Standard C22.2
No.60950-00, 3
rd
edition
Description
The SLI 15 Inverter Series provides an ideal solution for telecom, IT, and industrial applications. Due to innovative
technology solutions like the patent-pending "Compact Coil", the SLI 15 inverters pack 1500 watts of power into a
light (5.6 kg) and compact package that is mountable in 19" racks and is only one rack unit high. The SLI 15
Inverter Series offers four models for different input (24 and 48 VDC) and output (115 and 230 VAC) voltage
combinations. An integrated controller, along with an optional internal Static Transfer Switch (STS) enable flexible
and scalable systems which are truly "plug and play", and require no external subsystems. The inverters can be
stacked up to the power level needed by each application and also have the capability to be configured for
generating a 3-phase voltage source.
Electrical performance of the SLI 15 is exemplary of a top-of-the-market product with efficiency that peaks at 93%
and a patent-pending control algorithm that compensates current harmonics on the DC side without using bulky and
expensive filters. The SLI 15 includes a powerful on-board Digital Signal Processor (DSP) that allows easy
programming of main parameters through use of its front-panel keypad and LCD display. In addition, the SLI 15 can
be interfaced with an RS-485 serial communications link.
SLI Inverter Model Selection and Ordering Information
Model
1
Input Voltage
(VDC)
24
24
48
48
Output Voltage
Nominal
(VAC)
115
230
115
230
Overall Output
Voltage Range
(VAC)
100 to 120
200 to 240
100 to 120
200 to 240
Frequency
Range
(Hz)
47 to 63
47 to 63
47 to 63
47 to 63
SLI-24-115
SLI-24-230
SLI-48-115
SLI-48-230
1
The following suffixes should be added to the model number to order options. For an internal Static Transfer
Switch, please add the suffix "-STS". For AC terminal blocks, please add the suffix "-SC". For Hot Plug version,
please add the suffix “-HP”. For Neutral tied to Ground, please add the suffix “-GN”.
BCD.00060 Rev. AA July 07, 2011
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SLI 15 Inverter Series Data Sheet
1500 Watt, 1U Compact Inverters
ELECTRICAL SPECIFICATIONS
Input Specifications
Parameter
DC Input Voltage
Range
Input Current
Inrush current
24 VDC Models @ 18 VDC:
48 VDC Models @ 36 VDC:
Conditions / Description
Min.
20
40
Nom.
24
48
Max.
36
72
100
48
<10
Units
VDC
Amps
Amps
Output Specifications
Parameter
Output Power
Output AC Voltage
Range
Standard is Vac floating from Ground; -GN
version is available with Neutral connected to
Ground (Grid Input shall be supplied by means
of an isolation transformer)
50Hz/230Vac, 60Hz/115Vac
110
200
115
230
Conditions / Description
Min.
Nom.
Max.
1500
120
240
Units
Watts
VAC
Frequency
Efficiency
Load Power Factor
Crest Factor
Regulation in single
mode
Regulation in parallel
mode
Total Harmonic
Distortion
50
60
93
Hz
%
lagging or leading
Ipk/Irms
Load: over full operating range. R-Load
Line: over full operating range. R-Load
Load: over full operating range. R-Load
On Resistive Load.
230
115
0,33
1
4
-3
-0,1
-6
-8,5
+1
+0,1
0
0
<2
%
%
%
BCD.00060 Rev. AA July 07, 2011
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SLI 15 Inverter Series Data Sheet
1500 Watt, 1U Compact Inverters
Fault Protection
Parameter
Input Overcurrent
Protection
Input Overvoltage
Protection
Input Undervoltage
Protection
Output Overload
Surge
Overvoltage Protection
Undervoltage
Protection
Overcurrent Protection
Safety Overcurrent
Protection
Short-Circuit
Protection
Overtemperature
Protection
Protection Restore
Modes
Conditions / Description
24 VDC Models; Internal Fuse.
48 VDC Models; Internal Fuse.
24 VDC Models:
48 VDC Models:
24 VDC Models:
48 VDC Models:
115 VAC Models:
230 VAC Models:
115 VAC Models for 200 ms:
230 VAC Models for 200 ms:
All outputs are set at 115%,
±2
% of nominal.
All outputs are set at 85%,
±2
% of nominal.
115 VAC Models: 1 A to 14 A selectable.
230 VAC Models: 1 A to 8 A selectable.
By safety circuit breaker:
115 VAC Models: 15 A.
230 VAC Models: 10 A.
Peak Current type protection:
115 VAC Models: 60 A.
230 VAC Models: 30 A.
Visual and acoustic indication 5
C
before shutdown at T
amb
> 65
C
and at T
int
> 100
C.
The restore mode of each protection can be individually selected to "latch" or "auto-restart".
Min.
140
70
37,5
74
18
36
1610
1840
1750
2300
Nom.
Max.
Units
Amps
VDC
VDC
W
VA
Environmental Specifications
Parameter
Operating Temp
at Full Load
Altitude
Storage Temp
Humidity
Output Voltage
Temperature
Coefficient
90% relative humidity @ 40 ºC, non-condensing.
0.02% per ºC within rated load.
Conditions / Description
Power Derating: 75W/ºC: +55 ºC to +65 ºC.
Operating.
Non-Operating.
-40
Min.
-25
Nom.
Max.
55
13K
40K
85
Units
ºC
ASL ft
ASL ft
ºC
BCD.00060 Rev. AA July 07, 2011
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SLI 15 Inverter Series Data Sheet
1500 Watt, 1U Compact Inverters
Interface Signals/Controls
Parameter
LCD Panel
LED Indicators
Conditions / Description
2-line LCD panel with keypad for menu navigation.
4 LED indicators:
Front panel GREEN LED indicates inverter is ON.
Front panel RED LED indicates a generic fault categorized as:
a. Overtemperature (OT),
b. Fan fail,
c. Input OV, UV, OC, or Output OV, UV, or OC.
General Alarm Signal
Serial link
Activated by an open photo-relay if in fault mode, available at rear signal connector
RS485 port, 500Vdc isolated, available at rear signal connector
Min.
Nom.
Max.
Units
Regulatory & Safety
Parameter
cCSAus
Kema
CB Report Approval
CE Mark for LVD
RoHS
Isolation
Approved.
Approved.
Approved.
Approved.
Compliant.
Primary-to-Secondary: 3000 Vrms.
Primary-to-Ground: 1000 Vrms.
Secondary-to-Ground: 1500 Vrms.
Signal-to-Ground: 0 Vrms.
Conditions / Description
Min.
Nom.
Max.
Units
Mechanical Specifications
Parameter
Dimensions
Conditions / Description
Depth (inches)
Depth (mm)
Width (inches)
Width (mm)
Height (inches)
Height (mm)
Weight
Pounds
Kilograms
Connections
Min.
Nom.
Max.
14.94
379.5
19.00
482.6
1.71
43.5
12.34
5.6
Units
in
mm
in
mm
in
mm
lb
kg
DC input: back left, one 6mm diameter hole at each input bar; hot plug version has PCB bars with
pre charging system; subrack for -HP version hosts one inverter, separate purchasing part; plastic
DC input cover is available, separate purchasing part
AC output: back right, IEC320 plug is the standard; screw terminal blocks are with the option –SC;
-STS version has IEC320 socket marked “Grid Input”
Signal: back centre, female Sub-D 15 poles connector, Molex 89263-6062 or equivalent; general
failure alarm, serial port, synchronism for paralleling or three phase, remote on/off.
For paralleling inverters, up to 6, ask for paralleling kit, one per inverter, separate purchasing part
Important: -STS and -GN options are compatible just supplying Grind Input by means of an
isolation transformer, same indication if Neutral is tied to Ground at customer site.
BCD.00060 Rev. AA July 07, 2011
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SLI 15 Inverter Series Data Sheet
1500 Watt, 1U Compact Inverters
Reliability
Parameter
Calculated MTBF
Conditions / Description
At 40
C
excluding fan
-STS version, at 40°C excluding fan
Min.
250,000
200,000
Nom.
Max.
Units
Hours
Mechanical Outline Drawing:
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not designed, intended for use in, or authorized for use as critical
components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written consent
of the respective divisional president of Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the
date manufactured. Specifications are subject to change without notice.
BCD.00060 Rev. AA July 07, 2011
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