SDU (500 VA and 850 VA) Off-line DIN Rail AC UPS – Product Guide
SDU Series, DIN Rail AC UPS
The SDU DIN Rail UPS combines an industry leading compact design with a wide operation temperature range and
unique installation options. The SDU series provides economical protection from damaging impulses and power
interruptions. These units include easy to wire screw terminations for critical devices needing battery back up such as
computer based control systems.
Applications
• Programmable Logic Controllers
• Factory Automation
• Robotics
• Conveying Equipment
• Computer based Control Systems
Features
• Lightweight, compact industrial design
• Wide operation temperature range: 0 °C to +50 °C
(+32 °F to +122 °F)
• Cold start capability
• Software and cable included for easy installation
• Simulated sinewave output
• RS232 communication port
• USB communication port (optional)
• Form C dry contact relay (optional)
• Panel/wall mounting brackets (optional)
• Remote turn-on and shut-off capabilities
• Two year limited warranty
The SDU series provides back-up protection
for sensitive equipment in a control panel.
Certifications and Compliances
• All Models
Secure Mounting
-
- Low Voltage Directive: EN62040-1: 2008/A1: 2013
- EMC Directive: EN62040-2: 2006
• SDU 500, SDU 850 Models
-
UL 60950
UL Recognized Component, UPS Equipment
- CUL/CSA-C22.2
ULE137632
1778, CSA C22.2 No. 107.3
This Off-Line UPS is designed to allow safe and secure
mounting on a DIN Rail, in a control panel or as an integrated
part of an enclosure or machine. Boasting a compact design
and weight of approximately 5 kg (11 lbs), the SDU series
provides reliable and economical power protection to critical
loads in locations exposed to power aberrations in the factory
floor environment.
No. 234-M90
- Suitable for UL 508 with no derating and CSA C22.2
No. 107.1 Ind. Control Equipment Applications - Overvoltage Cat III, Pollution Degree III
Related Products
• Portable MCR Power Conditioners
• STV Surge Protective Devices
• SDN DIN Rail Power Supplies
• STFV Plus Active Tracking® Filters
The SDU allows critical equipment to safely shutdown
preventing costly disruptions on the factory floor.
Lightweight, compact design
H
A
UL 1778
Ind. Application
B
E179213
C
D
F
E
Vout, Remote and Communications Port
IP20-Rated Input and Output Screw Terminals
A
Power On/Off/Test Push Button
• Cold start feature allows UPS to be
started even if there is no AC input.
• A simple push of the button initiates UPS
self-test.
B
Detailed LEDs
• Cleary indicates UPS operation status
and condition
C
Screw Terminal Connections
• Strong and reliable screw clamp
connections
• Accepts 10-24 AWG wire
• Meets IP20 specifications
D
Input Circuit Breaker
• Provides protection from AC overload
and short circuit
G
E
Vout
• Output terminal providing 12V power source
to the optional relay card
F
Remote
• RS232 Communication port, DB9 connector
• Open collection signal for "AC Failure", "Low
Battery" and "UPS Shutdown" (dry contact relay
options available)
G
Communication
• RS232 communication port with USB support
(optional accessory available — UPSMONUSB)
H
remote on/off
• Remote on/off IP20 screw terminals provides
the same functions as the front panel switch
including ON/OFF/Test functions
• Accepts 10-24 AWG wire
Industrial strength protection
Catalog Number
Capacity (VA/Watts)
SDU 500
SDU 850
SDU 500-5
SDU 850-5
500/300
850/510
500/300
850/510
Load Power Factor
0.6
Dimensions - mm (in)
Unit (H x W x D) - mm (in)
Weight - kg (lbs)
124.0 x 281.0 x 116.0 (4.88 x 11.1 x 4.55)
4.7 (10.7)
5.0 (11.4)
5.2 (11.5)
5.4 (11.9)
Input Parameters
Voltage
120 V (+10%, -20%)
Frequency
230 V (+/- 20%)
50 +/- 5 Hz or 60 Hz +/- 6 Hz (auto sensing)
Output AC Parameters
Step sinewave
Voltage (Battery Mode)
+/- 5%
50 or 60 Hz
Frequency (On Battery)
+/- 0.3 Hz
UPS automatic shutdown if overload exceeds 105% of nominal at 20 seconds,
120% at 10 seconds, 130% at 3 seconds
Overload Protection
Short Circuit
UPS output cut off immediately
Battery Parameters
Battery Type
Sealed, non-spillable, maintenance-free lead acid batteries
Transfer Time
4 - 6 ms typical
Back-up Time * (minutes)
Recharge Time
4.5/18
2.5/10
4.5/18
2.5/10
8 hours to 90% capacity after full discharge
Environmental
Operating Temperature
0 °C to +50 °C (+32 °F to +122 °F)
Storage Temperature
-15 °C to 60 °C (+5 °F to +140 °F)
Relative Humidity
Ambient Operation
Audible Noise
1% to 95%, non-condensing
1-95% humidity non-condensing, 0 °C to +50 °C (+32 °F to +122 °F) up to 1524 m (5,000 ft)
< 40dBA (1 meter from surface)
Standards
EMC
Elevation
Shock & Vibration
Mounting
* At full load/half load.
FCC Part 15, Subpart B, Class A; EMC: EN62040-2; EN55022; CISPR22;
EN61000-3-2; IEC61000-4-2, -4-3, -4-4, -4-5, -4-6, -4-8, -2-2
1524 m (5,000 ft) without derating
According to the International Safe Transit Association standard ISTA 2A.
To be mounted on DIN TS35/7.5 or TS35/15 rail system. Chassis mounting permissible via optional brackets.
Unit handles normal shock and vibration of industrial use and transportation without coming off rail.
Industrial, compact & flexible ups
The SDU AC UPS is tested and approved for use in industrial control equipment applications under UL 508 and CSA
C22.2 No. 107.1 at the full output VA rating. Therefore, no derating is necessary. It’s compact and lightweight design
mounts directly to the installed DIN rail via the factory provided DIN RAIL clip, requiring no additional hardware. An
optional mounting bracket is available when specific applications require an alternate mounting method. The SDU AC
UPS allows for ease of installation and flexibility in your control enclosure designs.
Selection Table
Capacity
(VA/W)
Catalog
Number
500/300
SDU 500
850/510
SDU 850
500/300
SDU 500-5
850/510
SDU 850-5
Volts, Frequency
In/Out
Typical Back-up Time
(minutes) *
4/18
120 Vac, 50/60 Hz
2/10
4/18
230 Vac, 50/60 Hz
2/10
Approx. Ship
Weight - kg (lbs)
Input/Output
Connections
4.7 (10.7)
IP20 touch proof
screw terminals.
Wire range: 10-24
AWG.
5.0 (11.4)
5.2 (11.5)
5.4 (11.9)
* At full load/half load.
SDU Accessories
Description
Approx. Ship
Weight - kg (lbs)
Dry contact I/O relay box, IP20 touch proof screw terminals, wire size
range 12-22 AWG (IEC 2.5mm); N.O./N.C. form "C" contact. Relay
contact signal for "On Battery", "Low Battery" and "UPS Shutdown".
1.0 (0.45)
UPSMON-USB
RS232 to USB adapter cable
1.0 (0.45)
SDU-PMBRK
Mounting brackets to secure UPS to wall, back of panel or enclosure.
1.0 (0.45)
Catalog
Number
RELAYCARD-SDU
Dimensions mm (in)
Width
282 (11.1)
Depth
116 (4.55)
Height
124 (4.88)
D
H
W
Enclosure should be properly ventilated during normal
use and storage, not sealed or unventilated.
Contains Valve Regulated Lead Acid (VRLA),
non-spillable type battery cells
Warning
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