1250 Series Installation

1250 Series
General Duty AC Surge Protective Device
INSTALLATION INSTRUCTIONS
ATTENTION!
• Installation must be performed only by a properly trained
operator or an electrician.
• National electrical installation rules must be followed.
• The unit must be used only as a surge protector and according
to the conditions described in this document.
• Surge protectors must be selected in relation to a dedicated
AC network (see Technical Data).
• Dedicated fuses must be installed in the surge protector
branch (see Standard Wiring).
• In the case of a red indicator, the surge protector must be
replaced.
Technical Data
S
1250-1
S
S
1250-3
1250-2
S
1250-4
Model
Specification
AC Network
12502S-120
12503S-120
120 Vac 208 Vac
L+N
3L
IPE (1)
ISCCR (1)
Imax (1)
Protection Level
Operating Altitude
Operating Temp.
Indoor Use Only
12504S-120
12502S-230
12503S-230
12504S-230
120/208
Vac 3L+N
230 Vac
L+N
400 Vac
230/400
3L
Vac 3L+N
<1 mA
25 kA
50 kA
IP 20
2000 m max.
(6500 ft. max.)
-40 to +85 °C max.
(-40 to +1 °F max.)
12502S-400
12503S-400
12504S-400
12503S-480
(2)
(2)
(2)
(2)
230 Vac
L+N
400 Vac
3L
230/400
Vac 3L+N
347/600
Vac 3L
X
(1) Values per pole.
(2) For use with ungrounded transformer.
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
1250 Series
General Duty AC Surge Protective Device
INSTALLATION INSTRUCTIONS
Installation
DIMENSIONS
MIN.
2.5 mm2
MAX.
35 mm2
DIA.
13 mm - 2 AWG
2.5 mm2
25 mm2
13 mm - 4 AWG
13 mm
(0.5 in.)
5
Main Switchboard
or Sub-panel
2.0 - 2.5 Nm
(17.8 - 22.1 Lb-In.)
F1
N
L1
L2
L3
4
1
F2
CLIP-ON
SYMMETRICAL
DIN RAIL
1250-4S
3
2.0 - 2.5 Nm
(17.8 - 22.1 Lb-In.)
PE
2
Wiring
Standard Wiring
F1
L/N
F2
N
L
a
L1
L2
L3
F1
F2
Remote Contact Wiring
N
L1
L2
L3
F1
F2
F1
F2
<50 cm
a+b=
(<20 in.)
1.5 mm²
# 16 AWG max.
b
PE
PE
F1
PE
PE
1*max.
2*recommended
F1 > 160 A
F1 > 100 A
F2 ≤ 160 A
F2 = 100 A
F1 ≤ 160 A
F1 ≤ 100 A
No F2
F2 < F1
2.1 Lb-In
0.5 Nm max.
250 Vac / 0.5 A max.
30 Vdc / 3 A max.
F2
SPD
* depending on national rules
Remote signal for
disconnection information
11-12 Closed = SPD OK
11-14 Open = SPD OK
11-12 Open = SPD disconnect
11-14 Closed = SPD disconnect
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
1250 Series
General Duty AC Surge Protective Device
INSTALLATION INSTRUCTIONS
Maintenance
12
11
14
12
11
14
X
and replace
with
1250-xxx
10/13
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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