Features
■ Matched high energy MOV
■ Internal thermal disconnects
■ Status indicator
■ Replaceable modular design
■ DIN Rail compatible base
■ Remote signalling capability
■ Standards compliance:
■ RoHS compliant*
Applications
■ DC power systems
1320 Series DC Power Surge Protective Device
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specifi c applications.
The Bourns
®
Model 1320 Series is a DC power Surge Protective Device (SPD) designed
to protect power systems from damage due to lightning, transients and power surges.
The Model 1320 Series is a DIN Rail mountable SPD targeted for systems ranging from
12 to 110 Vdc.
Electrical Characteristics
General Characteristics
Environmental Characteristics
Characteristic
Model No.
1320-S-12 1320-S-24 1320-S-48 1320-S-75 1320-S-110
Network Voltage (Un) 12 Vdc 24 Vdc 48 Vdc 75 Vdc 110 Vdc
Max. Operating Voltage (Uc) 24 Vdc 38 Vdc 65 Vdc 100 Vdc 150 Vdc
Nominal Discharge Current (In) 10 kA 10 kA 15 kA 20 kA 20 kA
Max. Discharge Current (I
max
)
8/20 µs max.
20 kA 20 kA 30 kA 40 kA 40 kA
Protection Level @ In (Up) 250 V 250 V 300 V 390 V 500 V
Protective Fuses or Circuit Breakers,
if applicable
20 A 20 A 20 A 50 A 50 A
Thermal Disconnector Internal
Characteristic
Model No.
1320-S-12 1320-S-24 1320-S-48 1320-S-75 1320-S-110
Connection
By Screw Terminal, Cross-section 1.5-10 mm
2
(Active Wire)
and 2.5-25 mm
2
(Grounding Wire)
Disconnection Indicator 2 Mechanical Indicators
Mounting DIN Rail, 35 mm Symmetrical
Remote Signal Indicator DS2xOS-xxDC) by Changeover Contact
Enclosure Material Thermoplastic UL 94V0
Weight 128 g/unit 128 g/unit 128 g/unit 128 g/unit 130 g/unit
Characteristic
Model No.
1320-S-12 1320-S-24 1320-S-48 1320-S-75 1320-S-110
Operating Temperature -40 °C to +85 °C
Environmental Rating IP 20
Electrical DiagramGeneral Information
V : Varistor
Ft : Thermal fuse
C : Remote signaling contact
t° : Thermal disconnection system
C
1.1
1. 2
1. 4
+/– +/–
Ft
Ft
t
o
t
o
V
V
Standards Compliance
UL1449 3rd Edition - USA ....................... Type 4, Type 2 Location
UL1449 3rd Edition - Canada .................. Type 4, Type 2 Location
CSA C22.2 No. 8-M1986 ............... Class 9091 32, Class 9091 92
IEC61643-1 - International ..........Low Voltage SPD - Test Class II
NF EN 61643-11 - France ...........Low Voltage SPD - Test Class II
UL Recognized component, UL File E153537
