Features
■ RoHS compliant*
■ Matched high energy MOV
■ Internal thermal disconnects
■ Status indicator
Applications
■ DC power supplies
■ Replaceable modular design
■ DIN Rail compatible base
■ Remote signalling capability
■ Standards compliance:
1320 Series DC Power Surge Protective Device
General Information
Electrical Diagram
®
The Bourns Model 1320 Series is a DC power Surge Protective Device (SPD) designed
to protect power systems from damage due to lightning and power surges. The Model
1320 Series is a DIN Rail mountable SPD targeted for systems ranging from 48 to
110 Vdc.
+/–
+/–
C
Ft
to
Ft
to
V : Varistor
Ft : Thermal fuse
C : Remote signaling contact
t° : Thermal disconnection system
V
V
Electrical Characteristics
Model No.
Characteristic
1320-S-48
48 Vdc
65 Vdc
15 kA
30 kA
300 V
20 A
1320-S-75
75 Vdc
100 Vdc
20 kA
1320-S-110
110 Vdc
150 Vdc
20 kA
40 kA
500 V
50 A
Network Voltage (Un)
Max. Operating Voltage (Uc)
Nominal Discharge Current (In)
Max. Discharge Current (I
8/20 µs max.
)
max
40 kA
Protection Level @ In (Up)
390 V
50 A
Protective Fuses, if applicable
Thermal Disconnector
Internal
General Characteristics
Model No.
1320-S-75
Characteristic
1320-S-48
1320-S-110
2
By Screw Terminal, Cross-section 1.5-10 mm (Active Wire)
Connection
2
and 2.5-25 mm (Grounding Wire)
Disconnection Indicator
Mounting
2 Mechanical Indicators
DIN Rail, 35 mm Symmetrical
DS2xOS-xxDC) by Changeover Contact
Thermoplastic UL 94V0
Remote Signal Indicator
Enclosure Material
Weight
128 g/unit
128 g/unit
130 g/unit
Environmental Characteristics
Characteristic
Model No.
1320-S-75
-40 °C to +85 °C
IP 20
1320-S-48
1320-S-110
Operating Temperature
Environmental Rating
Standards Compliance
IEC61643-1 - International ..........Low Voltage SPD - Test Class II
NF EN 61643-11 - France ...........Low Voltage SPD - Test Class II
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
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications 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 specific applications.