The Littelfuse LSP10 thermally protected Surge Protective
Device is a self-protected device which is specially designed
to be used in outdoor and commercial LED lighting fixtures
for transient overvoltage protection. It is constructed with
Littelfuse thermally protected varistor technology. Its built-in
thermal disconnect function provides additional protection
to prevent catastrophic failure and fire hazard even under
the extreme circumstances of varistor end-of-life or sustain-
ing over voltage conditions. LSP10 series connected option
allows clear indication of thermal fault protection by discon-
necting power to luminaire thereby signally SPD module
replacement. The LSP10 SPD facilitates customer’s product
compliance to IEEE C62.41.2 Location Category C High and
US Dept of Energy MSSLC Model Spec.
Features
• 20kA Maximum
Discharge Current
(Imax)m 8/20us
• Meets ANSI C82.77-5-
2015: Location C High
• Meets ANSI C136.2-
2015: Extreme Level
• Meets IEEE C62.41.2:
Location Category C High
• Meets US Dept.
of Energy MSSLC
Model Spec.
• Parallel or Series
connected options
• Thermally protected
Notes:
1. Self-declared compliance.
UL1449
E320116
Applications
• Outdoor and Commercial
LED Lighting
• Roadway lighting
• Traffic lighting
• Digital signage
Additional Information
•
•
•
•
•
Wash wall lighting
Parking garage/lot lighting
Flood lighting
Tunnel lighting
Street lighting
• IP66 rated, dust-tight
and water resistant
• IEC61643-11 Class
II/ EN61643-11 Type
2 Compliant
1
• 240Vac and 277Vac parts
are available for Class I
and Class II installation
based on IEC luminaire
protection classes.
Please see details in Part
Numbering System.
• CE Mark - Meets the
requirements of Low
Voltage and RoHS
European Directives.
Datasheet
Resources
Samples
Absolute Maximum Ratings
• For ratings of individual members of a series, see Device Ratings and Specifications chart
LSP10 Series
Continous:
AC Voltage Range (V
M(AC)RMS
)
Continuous Current*
Transient:
Maximum Discharge Current 8/20μs Waveform (Imax)
Nominal Discharge Current 8/20µs Waveform (I
n
)
Operating Ambient Temperature Range (T
A
)
Storage Temperature Range (T
STG
)
Isolation Voltage Capability (When the thermal disconnect opens)
Insulation Resistance
20,000
10,000
-45 to +85
-45 to +110
600
>1,000
150 to 510
5
Units
V
A
A
A
°C
°C
V
MΩ
Note:
* = Max. continuous current for series connection.
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any
other conditions above those indicated in the operational sections of this specification is not implied.
Specifications are subject to change without notice.
Revised: 04/10/18
5
LV UltraMOV
™
Series
Surge Protection Module
LED Lighting Surge Protection Module > LSP10
LSP10 Series Device Ratings & Specifications
Operating
Voltage
(VAC)
120
240
277
347
480
L-L:240
L-N/G:120
L-L:480
L-N/G:277
Maximum
Discharge
Current
(Imax)(A)
3
20,000
20,000
20,000
20,000
20,000
20,000
20,000
Nominal
Discharge
Current
(In)(A)
2
10,000
10,000
10,000
10,000
10,000
10,000
10,000
Safety Compliance
IEC/EN 61643-11
7
L
-N:740
L
-G:740
N-G:670
L
-N:1130
L
-G:1130
N-G:1060
L
-N:1330
L
-G:1330
N-G:1260
L
-N:1750
L
-G:1750
N-G:1680
L
-N:2020
L
-G:2020
N-G:1960
L
-L:1130
L
-N/G:740
L
-L:2020
L
-N/G:1330
900
1200
1400
1900
2100
L
-L:1200
L
-N/G:900
L
-L:2100
L
-N/G:1400
X
X
UL1449
X
X
X
X
X
X
X
X
X
Part Number
8
MCOV/Uc
(VAC)
6
MLV
(V)
4
Up
(V)
5
LSP10120*
LSP10240*
LSP10277*
LSP10347*
LSP10480*
LSP10240LL*
LSP10480LL*
150
275
320
420
510
L-L:275
L-N/G:150
L-L:510
L-N/G:320
Notes:
1. 5A max. continuous current for series connection.
2. Nominal Discharge Current (In)(A): The nominal discharge current is a measure of the SPDs endurance capability; 15 impulses of discharge current uses the 8/20us current waveform.
3. Maximum Discharge Current (Imax)(A): The maximum discharge current is a measure of the SPDs maximum capability; single impulse of discharge current uses the 8/20us current waveform. All
Devices pass maximum discharge current with possible, safe opening of thermal disconnect.
4. MLV – UL1449 Measured limiting voltage; the highest value of residual voltage measurements during the application of impulses of 8/20us nominal discharge current (In); an average voltage value of
15 impulses.
5. Up – IEC 61643-11 Voltage protection level; the highest value of residual voltage measurements during the application of impulses of 8/20us nominal discharge current (In); a rounding voltage value of
maximum measurement.
6. MCOV/UC: Maximum Continuous Operating Voltage - maximum r.m.s. voltage that could be continuously applied to the SPD.
7 The series modules can be used in parallel connections for the indication circuit connection.
.
8. * = - P or PM
9. Repetitive Surge Withstanding: 15 strikes at 10,000A (8/20us) with steady MLV/Up.
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