Special Application Fuses
PICO® 305 Series Fuses - 277V UL913 Intrinsically Safe Fuse
PICO® 305 Series - 277V UL913 Intrinsically Safe Fuse
Description
TheꢀPICOꢀ305-Seriesꢀfuseꢀofferꢀaꢀrangeꢀofꢀencapsulatedꢀfusesꢀ
approvedꢀunderꢀULꢀ913ꢀstandardꢀforꢀIntrinsicallyꢀSafeꢀElectricalꢀ
Equipmentꢀtoꢀoperateꢀinꢀhazardousꢀlocations.ꢀIdealꢀforꢀuseꢀinꢀ
oil,ꢀgas,ꢀmine,ꢀchemical,ꢀandꢀpharmaceuticalꢀindustries,ꢀtheꢀ
PICOꢀ305-Seriesꢀfuseꢀwasꢀdesignedꢀtoꢀlimitꢀtheꢀenergyꢀandꢀ
temperatureꢀgeneratedꢀduringꢀitsꢀoperation.ꢀꢀTheꢀfuseꢀdesignꢀ
andꢀitsꢀencapsulantꢀareꢀsuitableꢀforꢀuseꢀinꢀanꢀintrinsicallyꢀsafeꢀ
apparatusꢀandꢀassociatedꢀapparatusꢀforꢀvoltageꢀnotꢀexceedingꢀ
277V.
Features
•ꢀ HighꢀInterruptingꢀRatingꢀofꢀ•ꢀ Designedꢀforꢀoperationꢀ
1500A
inꢀaꢀrangeꢀofꢀhazardousꢀ
environments
Agency Approvals
Agency
•ꢀ Wellꢀsuitedꢀforꢀ277Vꢀ
application
Agency File Number
•ꢀ Sealed
•ꢀ Currentꢀratingꢀoptionsꢀ
fromꢀ0.050ꢀtoꢀ0.750A
ATEX
DEMKO 13 ATEX 1200U
E358130
Applications
IECEx
IECEx UL 13.0077U
•ꢀ Testing,ꢀmeasuringꢀorꢀ
processingꢀelectronicꢀandꢀ
electricalꢀequipment
•ꢀ Processꢀcontrolꢀandꢀ
automations
Reference Standards
•ꢀ Sensors
Agency
Standards
•ꢀ Motorꢀcontrollers
•ꢀ Lighting
ENꢀ60079-0,ꢀENꢀ60079-11,
ENꢀ60079-26
•ꢀ Communicationꢀhandsets
•ꢀ Flowmeters
ATEX
IECꢀ60079-0,ꢀIECꢀ60079-11,
IECꢀ60079-26
IECEx
UL
Electrical Characteristics for Series
ULꢀ913,ꢀULꢀ60079-0,
ULꢀ60079-11
% of Ampere
OpeningTime
Rating
CAN/CSAꢀC22.2ꢀNo.ꢀ157,ꢀ
CAN/CSAꢀC22.2ꢀNo.ꢀ60079-0,ꢀ
CAN/CSAꢀC22.2ꢀNo.ꢀ60079-11
110%
4 Hours, Minimum
10 Seconds, Maximum
0.002 Seconds, Maximum
cUL
300%
1000%
Electrical Specifications by Items
Agency Approvals
Ampere
Rating
(A)
Nominal
Amp Code Cold Resistance
(Ohms)
Nominal
Melting
Interrupting Rating
I2t (A2 Sec.)
ATEX
IECEx
0.050
0.080
0.100
0.160
0.200
0.250
0.500
0.750
.050
.080
.100
.160
.200
.250
.500
.750
12.00
8.19
5.00
3.00
2.68
1. 6
0.00019
0.00035
0.00070
0.00202
0.00288
0.00662
0.04462
0.13448
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
1500Aꢀ@ꢀ277VAC/DC
0.46
0.27
1)ꢀTheꢀfuseꢀmustꢀbeꢀmountedꢀsoꢀthatꢀcreepageꢀandꢀclearanceꢀdistancesꢀaren’tꢀimpairedꢀinꢀanyꢀway.ꢀ
2)ꢀTheꢀfuseꢀisꢀsuitableꢀforꢀuseꢀinꢀintrinsicallyꢀsafeꢀequipmentꢀandꢀassociatedꢀapparatusꢀforꢀvoltageꢀnotꢀexceedingꢀ375Vꢀpeak.
3)ꢀMaximumꢀsurfaceꢀtemperatureꢀriseꢀatꢀ170%ꢀratedꢀcurrentꢀ200mA=80°C,ꢀ250mAꢀ=ꢀ84°C,ꢀ500mAꢀ=ꢀ56°C,ꢀandꢀ750mAꢀ=ꢀ84°C.
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/05/14