background image

INSTALLATION INSTRUCTIONS

MOULDED CASE CIRCUIT 

BREAKERS

TEMBREAK PRO

P250 3P SMART ELECTRONIC

TOOLS REQUIRED (NOT included)

T1

Screwdriver

Flathead 

(5mm)

Instruction 

Manual 

(This Document)

(1 qty)

T2

Screwdriver

Phillips (#2)

OPERATING INSTRUCTIONS

T3

17mm 

Socket 

wrench

D

M4x55 

mounting 

screws

(2 qty)

*For extension bar connection only

B

M8 spring 

washer

(6 qty)

C

M8 flat 

washer

(6 qty)

T5

17mm Ring 

Spanner

OPTIONAL (NOT included)

Trip

Button

TRIPPED

I (ON)

TRIP

O (OFF)

I (ON)

O (OFF)

Internal 

Accessories

A

M8x20 

Socket screw

(6 qty)

E

Interpole 

Barriers

(2 qty)

L

Terminal 

Covers

M

Terminal Cover 

Lock

N

Handle 

Lock

T4

6mm Allen 

key Socket 

wrench

Operation

Force (Nm)

OFF 

 ON

55

ON 

 OFF

40

TRIP 

 OFF

65

H

*M10 flat 

washer

(6 qty)

G

*M10x25 hex 

bolt

(6 qty)

J

*M10 nut

(6 qty)

Lugs or 

Copper Bars

or

K

Extension Bars

I

*M10 Belleville 

washer

(6 qty)

NHP Elec t ric al Engineering Produc t s Pt y Lt d

A.B.N. 84 004 304 812

AUS 1300 NHP NHP

nhp.c om .au

NZ   0800 NHP NHP

nhp-nz.c om

HARDWARE (included)

HARDWARE (NOT included)

P250_3_SE-IN-001-EN  V1.0.0

DIRECTION OF POWER SUPPLY

OR

3

3

STEP 2

STEP 3

OFF

STEP 5

CLOSE MCCB COVER

STEP 1

TRIP MCCB

OPEN COVER

IDENTIFY TRIP BAR

&

MECHANISM

ALARM INSTALLATION

UVT/SHUNT INSTALLATION 

STEP 

4.1

STEP 

4.2

INTERNAL ACCESSORIES ASSEMBLY PROCEDURE*

*For additional internal acccessory installations, scan QR code and refer to user manual for more details

3

1

1

2

4

Push Trip

Button

1

1

2

3

TRIP

ALARM TRIP BAR

SHUNT/UVT TRIP BAR

4.2

4.1

1

2

3

2-1

2-2

5

4

CLICK

1

2

3

2-1

2-2

5

4

CLICK

1

ALARM

SHUNT

DIMENSIONS

CLEARANCE 

BR

,BR

2

= Adjacent Isolators / MCCBs

CLEARANCE 

Y

Z

SIDE PLATE

(EARTHED METAL)

BR

1

BR

2

*

distance from conductor insulation to downstream MCCB 

INSULATION

W*

W*

X

2

X

1

X

2

X

1

INSULATION 

PLATE

TOP PLATE

(EARTHED METAL)

BR

1

BR

2

BR

1

BR

2

BR

,BR

2

= Adjacent MCCBs

MOUNTING 

MOUNTING ANGLES

ON

ON

ON

ON

D

D

T2

35

126

TORQUE 

1.3 - 1.7 Nm

MCCB Cat No.

W*

min

(mm)

X

1

min

(mm)

X

2

min 

(mm)

P250F

50

40

30

P250N

80

80

30

P250H

80

80

30

ALARM LOCATION

SHUNT LOCATION

LC

LC

22

98

70

105

HL

102

73.5

22.5

60

68 : Panel cutout

75: Height of OCR

77: Height for label

1.5

95.5

46

7

24

M8 screw

MCCB Cat No.

Y

min

(mm)

min

(mm)

P250F

25

P250N

25

P250H

25

0

0

0

Reviews: