Littelfuse 311 User Manual

MM

INIAINIA

INIA

M

INIAINIA

MM

5x20 mm5x20 mm

5x20 mm/ No.

5x20 mm5x20 mm

Dimensions (mm)Dimensions (mm)

Dimensions (mm)

Dimensions (mm)Dimensions (mm)

Ausf. / type: 800mA ... 4A

- 0,2

+0,1

Ø5,2

Ausf. / type: 6,3A

- 0,2

+0,1

Ø5,2

TURETURE

TURE

TURETURE

F F

F

F F

USESUSES

USES

USESUSES

20

±0,5

20

±0,5

311311

311

311311

Kappe mit Kennmelder
cap with indicator

IndicatorIndicator

Indicator

IndicatorIndicator

TT

ime-Current Characteristicime-Current Characteristic

T

ime-Current Characteristic

TT

ime-Current Characteristicime-Current Characteristic

Mittelträge (M)

StandardStandard

Standard

StandardStandard

DIN 41577, T.2

ApprovalsApprovals

Approvals

ApprovalsApprovals

None

, 250 V, 250 V

, 250 V

, 250 V, 250 V

SpecificationsSpecifications

Specifications

SpecificationsSpecifications

PackagingPackaging

Packaging

PackagingPackaging

002: Pack (20 x 10 pcs.)

MaterialsMaterials

Materials

MaterialsMaterials

Tube: Ceramic
End Caps: Nickel-plated brass

Operating TOperating T

Operating T

Operating TOperating T

-40 ºC to +85 ºC (consider de-rating)

Climatic CategoryClimatic Category

Climatic Category

Climatic CategoryClimatic Category

-40 ºC / +85 ºC / 21 days
(IEC 60068-1,-2-1,-2-2,-2-78)

Stock ConditionsStock Conditions

Stock Conditions

Stock ConditionsStock Conditions

+10 ºC to +60 ºC
relative humidity ≤ 75 % yearly average,
without dew

Vibration ResistanceVibration Resistance

Vibration Resistance

Vibration ResistanceVibration Resistance

24 cycles at 15 min. each (EN 60068-2-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10 g acceleration

MarkingMarking

Marking

MarkingMarking

emperatureemperature

emperature

emperatureemperature

, M, Current Rating, 250 V, G

Limits for Pre-arcing TimeLimits for Pre-arcing Time

Limits for Pre-arcing Time

Limits for Pre-arcing TimeLimits for Pre-arcing Time

Rated Current 1.5 x I

800 mA ... 6.30 A > 1 h < 30 min - 60 ms ... 2 s 5 ms ... 70 ms

Permissible continuous operating current is Permissible continuous operating current is

Permissible continuous operating current is

Permissible continuous operating current is Permissible continuous operating current is

Rated Amp Voltage Breaking Voltage Drop Power Dissipation Melting Integral Approvals
Current Code Rating Capacity 1.0 x

800 mA 0800 250 V

1 A 1100 250 V

1.25 A 1125 250 V

1.6 A 1160 250 V
2 A 1200 250 V

2.5 A 1250 250 V
4 A 1400 250 V

1

6.3 A 1630 250 V

1

without gauge stud

2

operating voltage ≥ 10 V

2.1 x IN2.75 x I

N

≤≤

80 80

≤

80

≤≤

80 80

2
2
2
2

1500 A @ 250 V AC
2
2

2
2

cos ϕ = 0.7

4 x I

N

% at ambient temperature of 23% at ambient temperature of 23

% at ambient temperature of 23

% at ambient temperature of 23% at ambient temperature of 23

50 Hz

10 x I

N

max. (mV) max. (W) min. (A2s)

N

I

N

400 1.0
350 1.2
310 1.7
480 2.5
360 4.5
300 8.2

180 30.0
160 94.0

ºC (73.4ºC (73.4

ºC (73.4

ºC (73.4ºC (73.4

1.5 x I

N

on request

ºF).ºF).

ºF).

ºF).ºF).

10 x I

N

None

Note: 1.00 means the number one with two decimal places. 1,000 means the number

050930

OrderOrder

Order

OrderOrder
InformationInformation

Information

InformationInformation

Qty.Qty.

Qty.

Qty.Qty.

In our continuing strategy to deliver unparalleled circuit protection solutions,

Order-Order-

Order-

Order-Order­Number Number

Number

Number Number

technical expertise and application leadership, we proudly introduce the

WICKMANN Group and its products to the Littelfuse portfolio.

SeriesSeries

Series

SeriesSeries

311

one thousand.

Amp Code PackagingAmp Code Packaging

Amp Code Packaging

Amp Code PackagingAmp Code Packaging

WebSite www.littelfuse.com

MM

M

MM

INIAINIA

INIA

INIAINIA

TURETURE

TURE

TURETURE

F F

F

F F

USESUSES

USES

USESUSES

5x20mm5x20mm

5x20mm/ No.

5x20mm5x20mm

311311

311

311311

ime (sec.)ime (sec.)

ime (sec.)ime (sec.)

ime (sec.)
TT

TT

T

II

/ I / I

I

/ I

II

/ I / I

FaultFault

Fault

FaultFault

Contact Littelfuse for individual I-t curves

RatedRated

Rated

RatedRated

050930

In our continuing strategy to deliver unparalleled circuit protection solutions,

technical expertise and application leadership, we proudly introduce the

WICKMANN Group and its products to the Littelfuse portfolio.

WebSite www.littelfuse.com