LEGRAND DPX 3 250 User manual

87045 LIMOGES Cedex
Phone :[phone] – Fax :[phone]
DPX3250
Thermal magnetic and trip-free switches
DPX3-I 250
Reference(s) :
420 205/ 207/ 208/209/ 215/ 217/ 218/ 219/ 235/ 237/
238/ 239/ 245/ 247/ 248/ 249/ 265/ 267/ 268/ 269/ 275/ 277/ 278/ 279/
605/ 607/ 608/ 609/ 615/ 617/ 618/ 619/ 299/ 300
1/
8
Technical sheet : F01364EN/01 Update : 17/10/2011 Create : 25/05/2011
CONTENTS PAGES
1. USE 1
2. RANGE 1
3. DIMENSIONS 1
3. DIMENSIONS (NEXT) 2
4. ELECTRICAL AND MECHANICAL
CHARACTERISTICS 2
5. CONFORMITY 4
6. MARKING 4
7. EQUIPMENTS AND ACCESSORIES 4
8. CURVES 6
1. USE
DPX3"moulded case" offers optimal solutions to answer protection
requirements of tertiary and industrial installations.
2. RANGE
DPX3
In
25 kA
36 kA
50 kA
70 kA
(A)
3P
4P
3P
4P
3P
4P
3P
4P
100 420205 420215 420235 420245 420265 420275 420605 420615
160 420207 420217 420237 420247 420267 420277 420607 420617
200 420208 420218 420238 420248 420268 420278 420608 420618
250 420209 420219 420239 420249 420269 420279 420609 420619
DPX3-I
3P
4P
250
420299
420 300
3. DIMENSIONS
3.1 Fixed version
3.2 Fixed version, front terminals

DPX3250
Thermal magnetic and trip-free switches
DPX3-I 250
Reference(s)
420 205/ 207/ 208/209/ 215/ 217/ 218/ 219/ 235/ 237/
238/ 239/ 245/ 247/ 248/ 249/ 265/ 267/ 268/ 269/ 275/ 277/ 278/ 279/
605/ 607/ 608/ 609/ 615/ 617/ 618/ 619/ 299/ 300
2/
8
Technical sheet : F01364EN/01Update : 17/10/2011 Create : 25/05/2011
3.3 Fixed version, rear terminals
3.4 Fixed version, front motor operator
3.5 Fixed version, side motor operator
3.6 Plug-in version
A
B
C
DPX3 250
35
103
206

DPX3250
Thermal magnetic and trip-free switches
DPX3-I 250
Reference(s)
420 205/ 207/ 208/209/ 215/ 217/ 218/ 219/ 235/ 237/
238/ 239/ 245/ 247/ 248/ 249/ 265/ 267/ 268/ 269/ 275/ 277/ 278/ 279/
605/ 607/ 608/ 609/ 615/ 617/ 618/ 619/ 299/ 300
3/
8
Technical sheet : F01364EN/01Update : 17/10/2011 Create : 25/05/2011
4. ELECTRICAL AND MECHANICAL CHARACTERISTICS
4.1 Breaker technical characteristics
Circuit breaker
DPX3250
Rated current Iu (A) 100-250
Rated insulation voltage Ui (V) 800
Rated operational voltage Ue (V) 690 V (ac)
500 V (dc)
Rated impulse withstand voltage Uimp (kV) 8
Ambient temperature (°C) 40
Endurance electrical / mechanical 8000/20000
Utilization category A
Releases type thermal-mag
Nominal frequency (Hz) 50-60
Thermal adjustement 0,8 ÷ 1 In
Magnetic threshold 5 ÷ 10 x In
4.2 Switches technical characteristics
Switches
DPX3 -I 250
Rated current Iu (A) 250
Rated insulation voltage Ui (V) 800
Rated operational voltage Ue (V) 690 V (ac)
500 V (dc)
Rated impulse withstand voltage Uimp (kV) 8
Ambient temperature (°C) 40
Endurance electrical / mechanical 8000/20000
Rated short-time withstand current Icw (1 s) (kA) 1,7
Rated short-circuit making capacity Icm (kA) 2,4
AC 22, AC 23, DC 22, DC 23 (A) 250
4.3 Breaking capacity (KA)
Breaking capacity Icu and Ics in AC (kA)
Ue
25 kA
36 kA
50 kA
70 kA
Icu (kA)
220/240V 40 60 80 100
380/415V 25 36 50 70
440V 20 30 40 60
480/500V 10 25 30 40
690V 8 16 18 20
Ics (%Icu) - 100 100 100 100
4.4 Derating temperature Ta (°C)
Influence of ambient temperature Ta(°C)
In (A)
-25
-20
-10
-5
0
10
20
30
40
50
60
70
100
135
132
128
126
123
120
112
102
100
94
90
84
160 216 211 205 201 197 192 179 163 160 151 143 134
200
270
264
256
251
246
240
224
203
200
189
179
168
250
338
330
320
314
308
300
280
254
250
236
224
210
4.5 Power loss (W)
4.5.1 Breaker power loss (W)
Power loss DPX3 250 (W)
In (A) ----> 100 1 16 60 0 200 250
Cage terminals 8,1 15,1 22,8 29,4
Lugs 8,1 15,1 22,8 29,4
External terminals 8,1 15,1 22,8 29,4
Spreaders 8,1 15,1 22,8 29,4
Rear terminals 8,1 15,1 22,8 29,4
Plugin version 10 20,5 30,8 41,9
4.5.2 Switches power loss (W)
Power loss DPX3-I 250 (W)
In (A) ----> 250
Cage terminals 18,8
Lugs 18,8
External terminals 18,8
Spreaders 18,8
Rear terminals 18,8
Plugin version 31,3
4.6 Short-circuit breaking capacity in D.C. current
Short-circuit breaking capacity in D.C. current
Breaking capacity Icu (kA)
2 p. in ser.
2 p. in ser.
3 p. in ser.
3 p. in ser.
110-125V
250V
400V
500V
250 25 kA 50 25 30 25
250 36 kA 72 36 45 36
250 50 kA 80 40 50 40
250 70 kA 90 45 55 45
+
-
+
-
2 poles in series 3 poles in series

DPX3250
Thermal magnetic and trip-free switches
DPX3-I 250
Reference(s)
420 205/ 207/ 208/209/ 215/ 217/ 218/ 219/ 235/ 237/
238/ 239/ 245/ 247/ 248/ 249/ 265/ 267/ 268/ 269/ 275/ 277/ 278/ 279/
605/ 607/ 608/ 609/ 615/ 617/ 618/ 619/ 299/ 300
4/
8
Technical sheet : F01364EN/01Update : 17/10/2011 Create : 25/05/2011
4.7 Protection in DC
Protection in D.C. current
thermal magnetic
250 25 kA like AC 1,5 Im AC
250 36 kA like AC 1,5 Im AC
250 50 kA like AC 1,5 Im AC
250 70 kA like AC 1,5 Im AC
4.8 Altitude
Altitude (m)
Altitude (m) ≤2000 3000 4000
DPX³ 250
Rated current (A) 1 x In 0,96 x In 0,93 x In
Rated voltage (V) 690 690 550
DPX³-I 250
Rated current (A) 1 x In 0,96 x In 0,93 x In
Rated voltage (V) 690 690 550
4.9 Loads operation
Loads operation
Rated current (A) In=250
Opening (N) 45
Closing (N) 78
Reset (N) 75
5.CONFORMITY
IEC 60947-2
(for switches IEC 60947-3)
EN 60947-2
(for switches EN 60947-3)
6. MARKING
7. EQUIPMENTS AND ACCESSORIES
7.1 Releases
•Shunt releases with voltage:
12 Vac/dc ref. 421 012
24 Vac/dc ref. 421 013
48 Vac/dc ref. 421 014
110-130 Vac ref. 421 015
200-277 Vac ref. 421 016
380-480 Vac ref. 421 017
•undervoltage releases with voltage:
12 Vac/dc ref. 421 018
24 Vac/dc ref. 421 019
48 Vac/dc ref. 421 020
110 Vac ref. 421 021
200-240 Vac ref. 421 022
277 Vac ref. 421 023
380-415 Vac ref. 421 024
440-480 Vac ref. 421 025
•auxiliary contact:
set of connectors for aux contacts ref. 421 044
aux contacts and fault signal ref. 421 011
aux contacts (1NC and 1 NO) for all rotary handles ref. 421 010
inserted device signal ref. 421 048
7.2 Rotary handles :
Direct:
•DPX3direct rotary handle ref. 421 000
• DPX3emergency direct rotary handle ref. 421 002
Vari-depht:
•DPX3vari depth rotary handle ref. 421 004
• DPX3emergency vari depth rotary handle ref. 421 005
Locking accessories
•locking acc. for direct rotary handle - ronis ref. 421 006
•locking acc. for direct rotary handle - profalux ref. 421 007
•locking acc. for vari depth rotary handle - ronis ref. 421 008
locking acc. for vari depth rotary handle – profalux ref. 421 009
7.3 Mechanical accessories :
Insulated shields
• Set of 3 ref. 421 070
Sealable terminal shields
•sealable terminal shield for rear terminals 250 3P ref. 421 052
•sealable terminal shield for rear terminals 250 4P ref. 421 053
sealable terminal shield for front spreaders 250 3P ref. 421 056
sealable terminal shield for front spreaders 250 4P ref. 421 057
Padlocks
•DPX3padlock accessory for handle (off) ref. 421 049
Interlock:
DPX3interlock mounting plate ref. 421 058
DPX3interlock for plug-in / draw-out version ref. 421 059
7.4 Connection’s accessories :
Cage terminals
•cage terminals for al or cu cables kit (3) - flex 1x120mm², rigid
1x150mm², bar/cable lug 18mm ref. 421 030
cage terminals for al or cu cables kit (4) - flex 1x120mm², rigid
1x150mm², bar/cable lug 18mm ref. 421 031
Front spreaders
•DPX3front spreaders for 3P DPX3250 (3) ref. 421 034
•DPX3front spreaders for 4P DPX3250 (4) ref. 421 035

DPX3250
Thermal magnetic and trip-free switches
DPX3-I 250
Reference(s)
420 205/ 207/ 208/209/ 215/ 217/ 218/ 219/ 235/ 237/
238/ 239/ 245/ 247/ 248/ 249/ 265/ 267/ 268/ 269/ 275/ 277/ 278/ 279/
605/ 607/ 608/ 609/ 615/ 617/ 618/ 619/ 299/ 300
5/
8
Technical sheet : F01364EN/01Update : 17/10/2011 Create : 25/05/2011
Rear terminals
•DPX3flat rear terminals for 3P DPX3250 (3) ref. 421 038
DPX3flat rear terminals for 4P DPX3250 (4) ref. 421 039
7.5 Plug-in version
Bases
•front/rear terminals plug-in base 3P DPX3250 ref. 421 042
•front/rear terminals plug-in base 4P DPX3250 ref. 421 043
Locking accessories
locking accessory for plug-in base – ronis ref. 421 045
locking accessory for plug-in base – profalux ref. 421 046
padlock accessory for plug-in base ref. 421 047
7.6 Motor operator
side motor operator 24-230 Vac - 24-230 Vdc ref. 421 060
front motor operator 24-230 Vac - 24-230 Vdc ref. 421 061
Locking accessories for front motor operator:
locking acc. for front motor operator - ronis ref. 421 062
locking acc. for front motor operator – profalux ref. 421 063
padlock selector for front motor operator ref. 421 064
Locking accessories for side motor operator:
locking acc. for side motor operator - ronis ref. 421 065
locking acc. for side motor operator – profalux ref. 421 066
padlock selector for side motor operator ref. 421 067
Din plate:
DPX3din plate for motor operator DPX3250 ref. 421 069
7.7 Mounting on rail fixing plate
DPX3din rail fixing plate DPX3250 3P/4P ref. 421 072

DPX3250
Thermal magnetic and trip-free switches
DPX3-I 250
Reference(s)
420 205/ 207/ 208/209/ 215/ 217/ 218/ 219/ 235/ 237/
238/ 239/ 245/ 247/ 248/ 249/ 265/ 267/ 268/ 269/ 275/ 277/ 278/ 279/
605/ 607/ 608/ 609/ 615/ 617/ 618/ 619/ 299/ 300
6/
8
Technical sheet : F01364EN/01Update : 17/10/2011 Create : 25/05/2011
9.3 Courbe de limitation en courant DPX125 1P
8. CURVES
8.1 TRIPPING CURVE

DPX3250
Thermal magnetic and trip-free switches
DPX3-I 250
Reference(s)
420 205/ 207/ 208/209/ 215/ 217/ 218/ 219/ 235/ 237/
238/ 239/ 245/ 247/ 248/ 249/ 265/ 267/ 268/ 269/ 275/ 277/ 278/ 279/
605/ 607/ 608/ 609/ 615/ 617/ 618/ 619/ 299/ 300
7/
8
Technical sheet : F01364EN/01Update : 17/10/2011 Create : 25/05/2011
8.2 Energy curve

DPX3250
Thermal magnetic and trip-free switches
DPX3-I 250
Reference(s)
420 205/ 207/ 208/209/ 215/ 217/ 218/ 219/ 235/ 237/
238/ 239/ 245/ 247/ 248/ 249/ 265/ 267/ 268/ 269/ 275/ 277/ 278/ 279/
605/ 607/ 608/ 609/ 615/ 617/ 618/ 619/ 299/ 300
8/
8
Technical sheet : F01364EN/01Update : 17/10/2011 Create : 25/05/2011
8.3 Restricted current curve

®
X
A
Y
X
250 3P
250 4P
250 DIFF
A
A1 - -
3P 4P DIFF
B- 1 -
C- - 1
D23 3
E2 4 4
F6 8 8
B
C D
E
Y
D
E
C
B
F
G G G G
A H
A
E
F
F
E
J
K
B C D E F G H I J K
105
140
140
165 82,5 45 61,5 123 35 28,5 18 74 97
45 123 18 74 97
45 153 18 74 97
F
165 82,5 61,5 35 28,5
195 82,5 61,5 35 28,5
Y
G
Y
G GI ø3,65
1
08/2011-01 GF
Y4263B

F
A
max 28,5
5
10Nm
3P
4P
TEST
Ir
Im
1Nm
E
F
F
F
ø 8,5
max 10
F
1÷8
CLAC
CLAC
4210 30 3P
4210 31 4P
max ø18
5
10Nm
4210 70
D
Flexible
1,5
#16
120 mm²
250 kcmil
23
(0.90")
Solid
1,5
#16
150 mm²
300 kcmil
or
10 mm
MIN
2 3
4 5
6 7
8 9
4210 72 3P
4210 74 4P