![background image](http://html1.mh-extra.com/html/nhp/terasaki-tembreak-pro-p250-3p/terasaki-tembreak-pro-p250-3p_installation-instructions_1685250001.webp)
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)
F
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
1
,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
1
,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)
Z
min
(mm)
P250F
25
P250N
25
P250H
25
0
0
0