92 % typical efficiency • Input voltage range: 240 – 430

92 % typical efficiency • Input voltage range: 240 – 430
The Bel Power Solutions 350INV60-120-240-9G
is a high-efficient DC/AC inverter that converts
high-voltage DC power into split phase AC power
120/240 VAC required to drive AC accessory
loads directly from the High Voltage DC Drive or
Battery Bus. Liquid cooled DC/AC inverter
operates at input voltages from 240 to 430 VDC
and power range up to 6000 W. The DC/AC
inverter utilizes CAN communication to the
vehicle controller which allows selection of
operational modes and frequency selection.

92 % typical efficiency

Input voltage range: 240 – 430 VDC

Power rating of 1 module 6 kW, possible parallel
synchronized operation up to 6 modules with total
power up to 32 or 36 kW

Full galvanic insulation between input and output

CAN bus serial interface

Over temperature, output overvoltage and
overcurrent protection

Protection degree IP65 and IP67

Liquid cooled

Vibration immunity meets military level

Three phase function : outputs of 3 modules can
create 3 phase system 3 x 400 VAC
The DC/AC inverter is built in a sealed aluminum
enclosure, ready to be mounted to the vehicle
chassis and is a commercial-off the-shelf solution
for electric vehicle manufacturers and developers.
North America
+1-866.513.2839
Asia-Pacific
+86.755.29885888
Europe, Middle East
+353 61 225 977
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© 2015 Bel Power Solutions, Inc.
BCD.00331_AB
350INV60-120-240-9G
PARAMETER
DESCRIPTION / CONDITION
Input Voltage
Max. Input Current at nominal
Power 6000 W
Max. Input Current at peak Power
8000 W
Typical Efficiency
Internal Power Loss
Input Line Interruption
MIN
NOM
MAX
UNIT
240
350
430
VDC
28
34
ADC
37
ADC
Vin = 240 Vmean
Vin = 240 Vmean
Maximum @ Vin = 350 VDC, Pout = 4 kW, T_coolant = 40°C
92
%
@ Vin = 350 VDC, Pout = 6 kW, T_coolant = 40°C
430
W
@ Vin = 350 VDC, Pout = 0 kW, T_coolant = 40°C
110
W
Inverter shutdown
Input Capacitance
Insulation
240
VDC
100
μF
Input-to-Chassis: Basic
3000
VDC
Input-to-Output: Reinforced
3000
10
VDC
Mega
Ohm
Mega
Ohm
%
MAX
UNIT
Input to Chassis (ground)
10
Input to Output
10
Insulation Resistance
Input Current Waveform
remaining amplitude part of 50 / 60Hz component
PARAMETER
DESCRIPTION / CONDITION
MIN
NOM
L1 to N, L2 to N
120
VAC
L1 to L2
240
VAC
Phase shift
L1 to L2
180
Deg
Output Current
25
Static Regulation
@ 6kW
Continuous
Output overload, (max. 10 sec.)
Overload for motor load spin-up (max 3 sec)
L1 = L2 = 120 VAC at load 0 to 25 A
In-factory Output Calibration
L1 to L2 = 240 VAC at load 25 A, T_coolant = 30°C
Output Voltage
Output Power
8
-12
237.75
Frequency
Turn-On Delay
@ 120 VAC / Nominal load
- Differential Mode 20 MHz of Vo_max
- Differential Mode 20 MHz
Vin = 240 – 430 Vmean, So1 = So2 = 3 kVA, Ipk1 = Ipk2 = 70
A, T_ambient = 85°C, T_coolant = 70°C
Vin = 240 – 430 Vmean, So1 = So2 = (0.01kVA, 1kVA,
3kVA), cos(fi) = (0.5, 1), T_ambient = 25°C, T_coolant = 50°C
0.1 – 1 kVA linear load
1 – 3 kVA linear load
After application of DC input or cycling enable signal
Load Power Factor
The output voltage of the inverter kept within the limits.
Periodic and Random Deviation
Load Crest Factor
Total Harmonic Distortion
A
6
8
kVA
+ 12
VAC
237.85
VAC
50 / 60
Hz
4
7
%
Vp-p
2.5
4
10
5000
0.3
%
ms
1
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© 2015 Bel Power Solutions, Inc.
BCD.00331_AB
350INV60-120-240-9G
PARAMETER
Short Circuit Survival shut-down
time
Output Over-Voltage Protection
DESCRIPTION / CONDITION
Vin=240 - 430 Vmean, T_ambient = 85°C, T_coolant = 70°C,
Io1 = Io2 = step from 25 Arms to 27.5 Arms
Io1 = Io2 = step from 25 Arms to 33 Arms
Io1 = Io2 = step from 25 Arms to >33 Arms
Vin = 350 Vmean, T_ambient = 85°C, T_coolant = 70°C,
Io1 = Io2 = from 25 Arms/cos(Fi) = 1 to short cut
Latch type
200
210
Vpk
Output Under-Voltage Protection
UV duration 60 ms
95
100
Vrms
Over-Temperature Protection
Converter shutdown at T_coolant higher than
70
Input Fuse Protection
Input Overvoltage protection
DC Input: Single on positive pole
Turn ON threshold
Turn OFF threshold
Recovery: Vin re-cycling or ENABLE
PARAMETER
DESCRIPTION / CONDITION
CAN BUS SAE J1939 Interface
250 kBit/s
Inverter turned ON signal is pulled-up 100 k Ohm to 5 V internally
Inverter turned OFF pulled down to 0.6V or 100 Ohm to signal GND
Output frequency selected to 60 Hz signal is pulled up 100k Ohm to 5 V internally
Output frequency selected to 50 Hz signal is pulled down to 0.6 V or 100 Ohm or less to signal GND
Operation of multiple inverter modules in redundant parallel mode.
SYNC signals of individual modules have to be connected together and twisted with signal ground
Internal short is provided on HVIL pins.
Output Over-Current Protection
shut-down time
Input Low Line Protection
ENABLE
FREQ_SELECT
SYNC
HVIL function
PARAMETER
MIN
NOM
MAX
65
12
3
60
250
235
435
UNIT
Sec
ms
°C
50
255
240
A
260
245
450
VDC
VDC
Input voltage readback accuracy
DESCRIPTION / CONDITION
Under all conditions for currents below 4.0 A rms read back is not working, i.e. read back value is 0 A
For current higher than 4.0 A this readback is valid:
In case of crest factor 1 :
+ / - 2.0 Arms
In case of crest factor higher than 2.5 : + / - 3.0 Arms
+/ - 2.0 VDC
Output voltage readback accuracy
+ / - 2.0 Vrms
PARAMETER
Radiated Emission
DESCRIPTION / CONDITION
Basic
Reinforced
CISPR22, EN55022
Conducted Emission
CISPR22, EN55022
Electrostatic Discharge
IEC 61000-4-2 (10 V/m)
Performance Criterion B
Radiated Electromagnetic Field
IEC 61000-4-3, SAE J1113/21
Performance Criterion B
Electrical Fast Transient (EFT) /Burst
IEC 61000-4-4, ISO 7637-2; Level 2 (+/-2 kV, 2.5 kHz)
Performance Criterion B
RF Conducted Immunity
Level 3 (10V, 0.15…80 MHz, AM 80%, 1 KHz)
Performance Criterion A
RF Disturbances Immunity
SAE J1113-41
Output current readback accuracy
Insulation
CRITERION
Input-to-Protective Earth
Input-to-Output
Class A
Class A
Class A
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BCD.00331_AB
350INV60-120-240-9G
PARAMETER
DESCRIPTION / CONDITION
Operating: 62 kPa absolute pressure
Non-Operating:18.6 kPa absolute pressure
Liquid cooled:
Tcoolant with no derating
Tamb @ full load, with no power derating
Altitude
Operating Temperature
MIN
Storage Temperature
NOM
MAX
3600
12200
UNIT
-40
-40
+70
+85
°C
-40
+95
°C
Humidity
SAE J1455 JAN 2011
Shock
SAE J1455
Vibration
SAE J1455, MIL-STD-202G
PARAMETER
DESCRIPTION / CONDITION
MANUFACTURER
MPN
Input Connector
High voltage connecter with HVIL function
Delphi HV280
13737767
Output Connector
High voltage unshielded connector
Delphi
13879038
CAN BUS and Signal Interface
Panel mounted
Molex MX150
47725-1310
PARAMETER
DESCRIPTION / CONDITION
Housing Delphi (1pc)
Female terminal (2pcs)
HVIL housing (1pc),
Female terminal (2pcs)
MPN
13737728
13572764
13738743
13543114
Sealing (1pc)
Housing Delphi (1pc)
Power terminal (4pcs),
Signal terminal (2pcs, not used for contact)
Housing Molex (1pcs)
Female terminal (12pcs, 11pcs used for contact)
13756257
13879046
13783301
13711549
33472-1206
0330122002
DC Input Connector
AC Output Connector
CAN BUS and Signal Interface
m
Note: Not all cavities are used for electrical function in signal and output connector. In order to maintain IP67 also non used cavities in
mating connector must be assembled by dummy wires to get gasket into tightness.
DC Input Connector
AC Output Connector
Signal Connector
SYNC
CHAIN SUPPLY
FREQ SELECT
CAN H
ENABLE
HVIL
V OUT N
V OUT N
V IN (-)
V IN (+)
CAN L
V OUT L1
1
6
7
12
V OUT L2
SIGNAL GND
RESERVED
ADR 0
ADR 1
CHAIN OUT
CHAIN IN
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© 2015 Bel Power Solutions, Inc.
BCD.00331_AB
350INV60-120-240-9G
Signal Connector Pin Description
PIN
1
2
3
4
5
6
7
8
9
10
11
12
DESCRIPTION
ENABLE
FREQ_SELECT
SYNC
CHAIN_SUPPLY
CAN_H
CAN_L
SIGNAL_GND
ADR_0
ADR_1
CHAIN_IN
CHAIN_OUT
Reserved
FUNCTION
ENABLE
Frequency select
Multi inverter synchronization
Chain protection supply
CAN BUS H
CAN BUS L
Signal return
Addressing pin
Addressing pin
Chain protection input
Chain protection output
Reserved
Purpose of running multiple modules in parallel is to get higher power. The maximum number of parallel modules is 6, see
wiring diagram below.
Number of
modules
2
3
4
5
6
Max. Power 1 [kVA]
Full coolant temp. range
11.2
16.8
22.4
28.0
33.6
Max. Power 2 [kVA]
Reduced coolant temp range to 50°C
12
18
24
30
36
During parallel operation load current is shared evenly between modules. However because of production tolerance on the
output voltage calibration and passive current sharing between modules (droop sharing) there may be a deviation of load
current - up to 6% difference module to module is possible vs. the average value. The result of this deviation may cause
some modules to deliver more current than others. In the Table above, in the centre column (Max. power 1), is the available
power when none of the paralleled modules override their nominal current of 25 A. The right column specifies condition for
n modules - n * 6 kVA. In the case of Max. Power 2, some of the modules may be operating over their nominal power.
Functioning above the maximum power is however acceptable since the overcurrent protection only activates at an output
current of ~27.5 A, however this is only possible when operating at a lower coolant temperature range, so that the overtemperature protection doesn’t trip off the overloaded module.
Modules connected in a 3 phase configuration, per the diagram below are able to produce a 3 x 400 VAC output. To
achieve the 240 VAC, each modules L1 is connected to L2.
The slaves function at 120° and 240° out of phase from the master by setting up the addressing per the table below. Note:
Each of the address pins are digital and have internal pull up impedances, therefore a non-connected pin will result in a
logic high.
ADR_0 (PIN8)
1
0
1
0
ADR_1 (PIN9)
1
1
0
0
FUNCTION
Master
Slave 120 Deg
Slave 240 Deg
Reserved
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© 2015 Bel Power Solutions, Inc.
BCD.00331_AB
350INV60-120-240-9G
Multi-unit CAN Addressing:
After input power is connected parallel modules (or units connected in a three phase configuration, here after called
“paired” units) automatically allocate their addresses on the CAN line. The design allows up to 6 paired modules, addresses
are always chosen from the range of B4 to B9. Every time the input power is re-cycled there may be different addresses
allocated to units in comparison to the previous state, but they will be always inside of range of B4 to B9. If the user counts
active devices, within this range, you know how many modules are actively connected. In case the CAN line is not required
for paired modules, then it does not need to be connected. However in the case CAN is not used the sync BUS and chain
circuit still need to be co connected.
Enable Control:
Output enable control works either through the hardware enable pin or by sending CAN message “nv_b_cmd_Enable”. In
parallel mode, hardware enable pins are required to be wired together, this ensures the same level is sent to all modules.
The requirement CAN enable message is sent out to all active units. With the exception of the above, both enable controls
are equivalent. By re-cycling the enable control (disable then re-enable) will clear an output latch condition that might have
occurred because of a protection feature e.g.: output over current, over temperature, etc.
Paired Mode Sync:
Modules use the “sync” signal to synchronize their outputs. This happens automatically and there is no user intervention
required. After start up one of the paired units automatically establishes itself as the master, all other units in the paired
configuration will default to slave operation. Slaves synchronize their outputs according to the reference waveform from
master.
Read Back of Input / Output Values:
In paired mode each module provides its own values. However in paired mode when input and/or output voltages are tied
together there could be a read back inaccuracy of up to typical ± 2V. Regarding output current, each module will provide its
own value. To get the total output current the user must summarize read backs from all active modules.
Paired Mode Protection Functions:
In paired mode, the signal connector wiring is continuously monitored. This monitoring serves to protect modules against
losing synchronization signal during service and is established via a chain circuit starting from the first module and ending
with the last. The user needs to establish the chain circuit in the external wiring harness according to diagrams below. In
case the chain line is broken all units in the chain will shut down and provide active warning bit on CAN Bit 29 –
Inv_b_flt_SyncError. This may happen for example when signal connector of any unit is unplugged during service.
There is no redundancy provided for paired modules. This means in case a functional failure would occur in any of the
paired modules, all modules would shut down. This is a requirement to protect output stages of modules against
permanent damage.
Paired Mode Chassis Grounding:
During parallel operation it is required that the chassis of all paired modules are galvanic tied together and grounded to PE.
+353 61 225 977
tech.support@psbel.com
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© 2015 Bel Power Solutions, Inc.
BCD.00331_AB
350INV60-120-240-9G
Wiring setup for parallel operation 350INV60-120-240-9G
Wiring setup for single operation 350INV60-120-240-9G
+353 61 225 977
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© 2015 Bel Power Solutions, Inc.
BCD.00331_AB
350INV60-120-240-9G
Wiring setup for 3-phase operation 350INV60-120-240-9G
PARAMETER
Dimensions (W x H x D)
374 x 163 x 384 mm
Weight
20 kg
Enclosure
IP65 and IP67
Maximum allowed pressure of cooling liquid
20 PSI (1.4bar)
Recommended Coolant Medium/Mixture
50/50 Propylene or Ethylene Glycol/Water
Recommended Coolant Flow
0.0208 to 0.0505 l/s (0.33 to 0.8 GPM)
Inlet/Outlet Coolant Connection
Hose Adapter, Threaded 1-14 UNF, Stainless Steel
350INV60-CON-KIT-8G
Kit that includes mating input connector with assembled 3m of HV DC cable, output and signal connector
with terminal pins
350INV60-CON-KIT-9G
Kit that includes input, output and signal connectors with terminal pins
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© 2015 Bel Power Solutions, Inc.
BCD.00331_AB
350INV60-120-240-9G
Mechanical Drawing – Front View
DELPHI
P/N 13737767
DELPHI
P/N 13879038
MOLEX
P/N 47725-2010
GORE VENT
P/N PMF100444
16
M8x16mm
TORQUE MAX. 21Nm
MAX. LENGTH OF SCREW 16mm
HOSE ADAPTER, THREADED
1-14 UNF
STAINLESS STEEL
TORQUE MAX. 94,5Nm
173 ±1
320 ±1
Mechanical Drawing – Top View
Mechanical Drawing – Bottom View
257.1 ±0.5
193.5 ±0.5
164.5 ±0.5
4. 2
100.9 ±0.5
5
30
R
HOT SURFACE LABEL
348 ±1
PRODUCT LABEL
374
31
362 ±1.5
HIGH VOLTAGE LABEL
362 ±1.5
(384)
41.5 ±0.5
279
41.5
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© 2015 Bel Power Solutions, Inc.
BCD.00331_AB
350INV60-120-240-9G
162.1
159 ±1.5
32
122
Mechanical Drawing – Side View
5
320 ±1
347
362
NUCLEAR AND MEDICAL APPLICATIONS - Products are not designed or intended for use as critical components in life support
systems, equipment used in hazardous environments, or nuclear control systems.
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.
+353 61 225 977
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© 2015 Bel Power Solutions, Inc.
BCD.00331_AB
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