TYPE & RATED CURRENT

DELTA PART NO.

03NB3/SB3 04NB3/SB3 06NB3/SB3 10NB3/SB3 03NB4/SB4 04NB4/SB4 06NB4/SB4 10NB4/SB4

RATED

115VAC

3A

4A

6A

10A

3A

4A

6A

10A

CURRENT

250VAC

3A

4A

6A

6A

3A

4A

6A

6A

IEC CONNECTOR

FUSE

DOUBLE

DOUBLE

DOUBLE

DOUBLE

DOUBLE

DOUBLE

DOUBLE

DOUBLE

ELECTRICAL SCHEMATIC

FIG.A

FIG.A

FIG.A

FIG.A

FIG.B

FIG.B

FIG.B

FIG.B

COMPONENTS

PART NO. Cx (uF) L (mH) Cy (pF)

R(

)

03NB3

03NB4

2.5

03NB3S

04NB3

04NB4

2.0

04NB3S

06NB3

06NB4

1.05

06NB3S

10NB3

10NB4

0.2

10NB3S

0.1

2200

1M

03SB3

2.5

03SB4

03SB3S

04SB3

2.0

04SB4

04SB3S

06SB3

1.05

06SB4

06SB3S

10SB3

0.2

10SB4

10SB3S

1. Power module incorporates an IEC connector, single or double-

fuse (IEC 5x20mm) holder, and double-pole power switch, plus

an EMI filter all-in-one easy-to-install unit.

2. All part numbers are UL, CSA and VDE approved.

3. With optional Y CAP. from 1000/3300pF.

4. Switch e

lectrical lifetime: 10,000 cycles.

Maximum inrush current: 50A

1. Maximum leakage current each

line-to-ground@115VAC 60Hz: 0.2mA

@250VAC 50Hz: 0.4mA

2. Hipot rating (one minute)

line-to-ground: 2250VDC

line-to-line: 1450VDC

3. Operating frequency: 50/60Hz

4. Rated voltage: 115/250VAC

G

G

NB4,SB4

FIG. B

4

110V-120V

N

N

E

L

I

L

R

Cx

A

Cy

D

L

Cy

L

O

C

D

3

A

B

2

F

1

CUSTOMER

PRIMARIES

TRANSFORMER

110V-120V

NB3,SB3

FIG. A

FOR NB3S,SB3S

L

E

G

N

L

N

I

R

Cx

D

Cy

G

L

L

Cy

A

O

C

D

4

3

B

A

2

SW

F

1

110V-120V

CUSTOMER

TRANSFORMER

PRIMARIES

110V-120V

4-12

SERIES

COMPACT IEC CONNECTOR

FILTERS

SPECIFICATIONS

INTRODUCTIONS

ELECTRICAL SCHEMATIC

3S Single fuse

NB4,SB4 W/O switch

D

V

E