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TeSys protection components 3-pole thermal overload relays, model


   

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Description, characteristics
TeSys protection components
3-pole thermal overload relays, model
Model 3-pole thermal overload relays designed protect a.c. circuits motors against overloads, phase failure, long starting times prolonged stalling motor. LRD-01.35 LRD-3322.4369, LR2-D
RESET
STOP
TEST
Adjustment dial Test button Operation Test button allows: checking control circuit wiring, simulation relay tripping (actuates both contacts). Stop button. Actuates contact; does affect contact. Reset button Trip indicator Setting locked sealing cover. Selector manual automatic reset. Relays LRD-01 supplied with selector manual position, protected cover. Deliberate action required move automatic position.
Environment
Conforming standards Product certifications Degree protection Protective treatment Ambient temperature around device Operating positions without derating Shock resistance Vibration resistance Dielectric strength Impulse withstand voltage Conforming 0106 Conforming Storage Normal operation, without derating (IEC 947-4-1) Minimum maximum operating temperatures (with derating) relation normal, vertical mounting plane Permissible acceleration conforming 68-2-7 Permissible acceleration conforming 68-2-6 Conforming 255-5 Conforming 801-5 60947-1, 60947-4-1, 63-650, 0660 CSA, Sichere Trennung, except LAD-4: CSA. Protection against direct finger contact "TH" 60.+ 20.+ 40.+ position
Auxiliary contact characteristics
Conventional thermal current Maximum consumption operating coils controlled contactors (Occasional operating cycles contact 95-96) Short-circuit protection a.c. supply d.c. supply fuse. Max. rating circuit-breaker Min/max c.s.a. 1/2.5 1/2.5 1/2.5 Min/max c.s.a. 1/2.5 1/2.5
Connection screw clamp terminals Flexible cable without cable conductors conductors Flexible cable with cable conductors Solid cable without cable Tightening torque
Connection spring terminals Flexible cable without cable Solid cable without cable
conductors conductors
References: pages 2/112 2/113 2/108
Dimensions: pages 2/116 2/118
Schemes: page 2/119
Schneider Electric
Characteristics
TeSys protection components
3-pole thermal overload relays, model
Electrical characteristics power circuit
Relay type LRD01 LR3D01 Tripping class Rated insulation voltage (Ui) 508, 60947-4-1 Conforming 60947-4-1 Conforming Rated impulse withstand voltage (Uimp) Frequency limits Setting range
Connection screw clamp terminals Flexible cable without cable
LR2D15pp
LRD21 LR3D21
LR2D25pp
LRDLR23322 D35pp 33696 LR3D3322 D33696 1000 0.400 17.10 4/35 4/35 4/35
LRD4365 4369
0.400 0.1.13
0.400 12.38
1000
except LRD-4369
0.400 80.140
operational current Depending model
conductor conductor conductor
Min/max c.s.a. 1.5/10 1.85
1.5/10
except LRD-21: 1.5/10 except LRD-21:
4/50 4/35 4/50
Flexible cable with cable Solid cable without cable Tightening torque Connection spring terminals Flexible cable without cable Solid cable without cable
1.5/4 1.5/4
conductor conductor
Min/max c.s.a. 1.5/4 1.5/4
Operating characteristics
Temperature compensation Tripping threshold Sensitivity phase failure Tripping curves Average operating time related multiples current setting Conforming 60947-4-1 Conforming 60947-4-1
Time Hours Minutes Seconds Seconds Minutes
20.+
30.+
30.+
20.+
1.14 0.06 Tripping current phase, others
class Hours Time current setting (Ir) class
current setting (Ir)
Balanced operation, 3-phase, from cold state. Balanced operation, 2-phase, from cold state. Balanced operation, 3-phase, after long period current (hot state).
References: pages 2/112 2/113
Schneider Electric
Dimensions: pages 2/116 2/118
Schemes: page 2/119 2/109
Description, characteristics
TeSys protection components
3-pole electronic thermal overload relays LR9-D
LR9-D electronic thermal overload relays designed with contactors LC1-D115 D150. addition protection provided model thermal overload relays (see page 2/108) they offer following special features: Protection against phase imbalance. Choice starting class. Protection unbalanced circuits. Protection single-phase circuits. Alarm function avoid tripping load shedding. LR9-D5367.D5569
Setting dial Test button Stop button Reset button Trip indication Setting locked sealing cover Class 10/class selector Selector balanced load unbalanced load
LR9-D67
Class Ir(A)
Alarm
Load
Ir(A)
Environment
Conforming standards Product certifications Degree protection Protective treatment Ambient temperature around device (conforming 255-8) Maximum operating altitude Operating positions without derating Shock resistance Vibration resistance Dielectric strength Impulse withstand voltage
Resistance electrostatic discharge Conforming 0106
60947-4-1, 255-8, 255-17, 0660 22-2 front face with protective covers LA9-D11570p D11560p "TH" 40.+ 20.+ 2000 position Meets requirements
Standard version Storage Normal operation Without derating relation normal, vertical mounting plane Permissible acceleration conforming 68-2-27 Permissible acceleration conforming 68-2-6 Conforming 255-5 Conforming 1000-4-5 Conforming 1000-4-2 Conforming 1000-4-3 46-022
Resistance radio-frequency conducted disturbances
Resistance fast transient currents Conforming 1000-4-4 Electromagnetic compatibility
Draft 50081-1 50082-2
Electrical characteristics auxiliary contacts
Conventional thermal current Maximum consumption operating coils controlled contactors (Occasional operating cycles contact 95-96) Short-circuit protection Cabling Flexible cable without cable a.c. supply d.c. supply fuse circuit-breaker
conductors Minimum c.s.a.: 1/maximum c.s.a.: Tightening torque operation please call Customer information centre 0870 608.
References: pages 2/112 2/113 2/110
Dimensions: pages 2/116 2/118
Schemes: page 2/119
Schneider Electric
Characteristics
TeSys protection components
3-pole electronic thermal overload relays LR9-D
Electrical characteristics power circuit
Relay type Tripping class Rated insulation voltage (Ui) Rated impulse withstand voltage (Uimp) Frequency limits Setting range Power circuit connections operational current Depending model Width terminal Clamping screw Tightening torque
Conforming 508, 60947-4-1
LR9-D 1000
50.60. other frequencies, call Customer information centre 0870
Conforming 60947-4-1 Conforming
60.150
Operating characteristics
Temperature compensation Tripping thresholds Sensitivity phase failure 60947-4-1 Alarm Tripping 20.+ 1.05 0.06 1.12 0.06 Tripping event phase failure
Conforming 60947-4-1
Alarm circuit characteristics
Rated supply voltage Supply voltage limits Current consumption Switching capacity Protection Voltage drop Cabling Tightening torque Tripping curve LR9-D Average operating time related multiples current setting load Short-circuit overload Closed state Flexible cable without cable
Tripping time seconds
1000
d.c. supply
17.32 0.150 Self-protected 0.5.1.5 0.45
1,12
Cold state curve state curve
current setting (Ir)
these relays with soft start units variable speed controllers, please call Customer information centre 0870 608.
References: pages 2/112 2/113
Schneider Electric
Dimensions: pages 2/116 2/118
Schemes: page 2/119 2/111
References
TeSys protection components
3-pole thermal overload relays, model
Differential thermal overload relays with fuses. Class tripping
Compensated relays with manual automatic reset, with relay trip indicator, a.c. d.c. Relay Fuses used with selected relay setting range BS88
with contactor LC1-
Reference
Weight
LRD-08
LRD-21
LRD-33pp
Class with connection screw clamp terminals 0.10.0.16 0.25 D09.D38 0.16.0.25 D09.D38 0.25.0.40 D09.D38 0.40.0.63 D09.D38 0.63.1 D09.D38 1.1.7 D09.D38 1.6.2.5 D09.D38 2.5.4 D09.D38 D09.D38 5.5.8 D09.D38 7.10 D09.D38 9.13 D12.D38 12.18 D18.D38 16.24 D25.D38 23.32 D25.D38 30.38 17.25 D40.D95 23.32 D40.D95 30.40 D40.D95 37.50 D40.D95 48.65 D50.D95 55.70 D50.D95 63.80 80.104 80.104 D115 D150 95.120 D115 D150 110.140 D150 80.104 95.120 110.140
LRD-01 LRD-02 LRD-03 LRD-04 LRD-05 LRD-06 LRD-07 LRD-08 LRD-10 LRD-12 LRD-14 LRD-16 LRD-21 LRD-22 LRD-32 LRD-35 LRD-3322 LRD-3353 LRD-3355 LRD-3357 LRD-3359 LRD-3361 LRD-3363 LRD-3365 LRD-4365 LRD-4367 LRD-4369 LRD-33656 LRD-33676 LRD-33696
0.124 0.124 0.124 0.124 0.124 0.124 0.124 0.124 0.124 0.124 0.124 0.124 0.124 0.124 0.124 0.124 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.900 0.900 0.900 1.000 1.000 1.000 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140
LRD-083
Class with spring terminal connections (for direct mounting contactor only) 0.10.0.16 0.25 D09.D38 LRD-013 LRD-023 0.16.0.25 D09.D38 LRD-033 0.25.0.40 D09.D38 LRD-043 0.40.0.63 D09.D38 LRD-053 0.63.1 D09.D38 LRD-063 1.1.6 D09.D38 LRD-073 1.6.2.5 D09.D38 LRD-083 2.5.4 D09.D38 LRD-103 D09.D38 LRD-123 5.5.8 D09.D38 LRD-143 7.10 D09.D38 LRD-163 9.13 D12.D38 LRD-213 12.18 D18.D38 LRD-223 16.24 D25.D38
Class with connection lug-clamps Select appropriate overload relay with screw clamp terminals from table above reference. Example: LRD-01 becomes LRD-016.
Thermal overload relays with unbalanced loads
Class with connection screw clamp terminals Change prefix references above from (except LRD-4ppp) LR3-D. Example: LRD-01 becomes LR3-D01.
Thermal overload relays 1000 supplies
Class with connection screw clamp terminals relays LRD-01 LRD-35 only, operating voltage 1000 only independent mounting, reference becomes LRD-33ppA66. Example: LRD-12 becomes LRD-3312A66. Order LA7-D3064 terminal block separately, page 2/115. Standard 947-4-1 specifies tripping time times setting current class between seconds. Independent mounting.
Characteristics: pages 2/108 2/111 2/112
Dimensions: pages 2/116 2/118
Schemes: page 2/119
Schneider Electric
References
TeSys protection components
3-pole thermal overload relays, model
Differential thermal overload relays with fuses. Class tripping
Compensated relays with manual automatic reset, with relay trip indicator, a.c. d.c. LR2-D1508 2553: independent mounting either ordering terminal block LA7-D1064 LA7-D2064, page 2/115, ordering relay pre-assembled; this case suffix reference. Example: LR2-D1508 becomes LR2-D1508LA7. Reference Relay Fuses used setting with selected relay with contactor range BS88 Class connection screw clamp terminals 2.5.4 5.5.8 7.10 9.13 12.18 17.25 23.32 17.25 23.32 30.40 37.50 48.65 55.70 63.80 D09.D32 D09.D32 D09.D32 D09.D32 D12.D32 D18.D32 D40.D95 D40.D95 D40.D95 D50.D95 D50.D95 D65.D95
LR2-D1508 LR2-D1510 LR2-D1512 LR2-D1514 LR2-D1516 LR2-D1521 LR2-D1522 LR2-D2553 LR2-D3522 LR2-D3553 LR2-D3555 LR2-D3557 LR2-D3559 LR2-D3561 LR2-D3563
Weight
LR2-D15pp
0.190 0.190 0.190 0.190 0.190 0.190 0.190 0.345 0.535 0.535 0.535 0.535 0.535 0.535 0.535
Electronic differential thermal overload relays with fuses. Class
Compensated relays, with relay trip indicator, a.c. d.c., direct mounting contactor independent mounting (2). Relay Fuses used direct mounting setting with selected relay beneath contactor range Class with connection using bars connectors 60.100 90.150 D115 D150 D115 D150
LR9-D5367 LR9-D5369
LR2-D25pp
Reference
Weight
0.885 0.885
Class with connection using bars connectors 60.100 90.150 D115 D150 D115 D150
LR9-D5567 LR9-D5569
0.885 0.885
Electronic thermal overload relays with balanced unbalanced loads
Compensated relays, with separate outputs alarm tripping. Relay Fuses used direct mounting setting with selected relay beneath contactor range Class selectable with connection using bars connectors 60.100 D115 D150 LR9-D67 0.900 LR9-D69 0.900 90.150 D115 D150 Standard 947-4-1 specifies tripping time times setting current class between seconds, class between seconds, class between seconds. Power terminals protected against direct finger contact addition shrouds and/or insulated terminal blocks, ordered separately (see page 2/90). Other versions Thermal overload relays resistive circuits category AC-1. Please call Customer information centre 0870 608.
LR2-D35pp
Reference
Weight
Characteristics: pages 2/108 2/111
Schneider Electric
Dimensions: pages 2/116 2/118
Schemes: page 2/119 2/113
2/114
Schneider Electric
References
TeSys protection components
3-pole thermal overload relays, model
Accessories ordered separately)
Description Pre-wiring allowing direct connection contact relay LRD-01.35 LR3-D01.D35 contactor Terminal blocks clip-on mounting rail (AM1-DP200) screw fixing; fixing centres, pages 2/116 2/118 Terminal block adapter mounting relay beneath LC1-D115 D150 contactor Mounting plates screw fixing centres LC1-D09.D18 LC1-D25.D38 LRD-01.35 LR3-D01.D35 LR2-D15pp LR2-D25pp LRD-3ppp, LR3-D3ppp, LR2-D35pp LRD-3ppp, LR3-D3ppp, LRD-35pp
Sold lots Unit reference LAD-7C1 LAD-7C2 LAD-7B10 LA7-D1064 LA7-D2064 LA7-D3064 LA7-D3058
Weight 0.002 0.003 0.100 0.100 0.120 0.370 0.080
LRD-01.35, LR3-D01.D35. LR2-D15pp LR2-D25pp LRD-3ppp, LR3-D3ppp LR2-D35pp relays except LRD-01.35 LR3-D01.D35 relays except LRD-01.35. LR3-D01.D35 LR9-D LRD-01.35 LR3-D01.D35 relays except LRD-01.35 LR3-D01.D35 LR9-D
DX1-AP25 DX1-AP26 LA7-D902 LA7-D903 LA9-D91 LA7-D901 LAD-703p LA7-D03p(6) LA9-F103
0.065 0.082 0.130 0.001 0.001 0.005 0.090 0.090 0.560
LAD-7Cp
Marker holder snap labels (blank, self-adhesive, Stop button locking device Remote stop electrical reset device Remote tripping electrical reset device Block insulated terminals
Remote control
"Reset" function flexible cable (length "Stop" and/or "Reset" functions terminal protection shroud must removed following products must ordered separately. Adapter door interlock mechanism relays except LRD-01.35 LR3-D01.D35
LA7-D1020
LRD-01.35 LR3-D01.D35 relays except LRD-01.35 LR3-D01.D35
LAD-7305 LA7-D305
0.075 0.075
LAD-7B10
0.005
Available January 2002
Operating head Stop relays XB5-AL84101 0.027 XB5-AA86102 0.027 spring return pushbutton Reset relays Terminal blocks supplied with terminals protected against direct finger contact screws open, "readyto-tighten" position. order terminal block connection lugs, reference becomes LA7-D30646. forget order terminal block corresponding type relay. LRD-01.35, page 2/91. time which coil remote tripping electrical resetting device LA7-D03 LAD-703 remain energised depends rest time: pulse duration with rest time; pulse duration with rest time; pulse duration with rest time; maximum pulse duration with rest time Minimum pulse time: Reference completed adding code indicating control circuit voltage. Control circuit voltages (for other voltages, please call Customer information centre 0870 608). Volts 220/230 380/400 415/440 50/60 Consumption, inrush sealed: Consumption, inrush sealed:
Illustrations: page 2/114
Schneider Electric
Dimensions: pages 2/116 2/118 2/115
Dimensions
TeSys protection components
Model thermal overload relays
LRD-01.35 Direct mounting beneath contactors with screw clamp connections
LRD-013.353 Direct mounting beneath contactors with spring terminal connections
LC1b
D09.D18 D25.D38 pages 2/94 2/95
LC1b
D093.D383 pages 2/94 2/95
LRD-3ppp Direct mounting beneath contactors LC1-D40 LP1-D40 AM1d DL201 DL200 Control circuit: a.c. LC1-D40 LC1-D50 LC1-D65 LC1-D80 LC1-D95
179.4
72.4 72.4 72.4 76.9 76.9 72.4 72.4 72.4 76.9
(3P)
(4P)
115.5 115.5 115.5
Control circuit: d.c. LC1-D40, LP1-D40 LC1-D50 LC1-D65, LP1-D65 LC1-D80, D95, LP1-D80
LRD-4ppp Direct mounting beneath contactors LC1-D115 D150
LR9-D Direct mounting beneath contactors LC1-D115 D150
AM1-DL200 DR200 AM1-DE200 EDppp 10.5
AM1-DP200 DR200 AM1-DE200 EDppp 10.5
Characteristics: pages 2/108 2/111 2/116
References: pages 2/112 2/113
Schemes: page 2/119
Schneider Electric
Mounting
TeSys protection components
Model thermal overload relays
LRD-01.35 Independent mounting centres rail AM1-DP200 DE200
Independent mounting centres
LAD-7B10
LAD-7B10
37,5
DX1-AP25
Remote tripping electrical reset
LAD-703
only mounted side relay LRD-01.35 LR2-D15pp Independent mounting centres rail AM1-DP200 DE200
LA7-D1064
Remote tripping electrical reset
LA7-D03(1)
43,5
50/65
AM1-DP200
AM1-DE200 mounted side relay LR2-D15pp Remote tripping electrical reset
LR2-D25pp Independent mounting centres rail AM1-DP200 DE200
LA7-D2064
LA7-D03(1)
43,5
50/60
AM1-DP200
AM1-DE200 mounted side relay LR2-D25pp
Characteristics: pages 2/108 2/111
Schneider Electric
References: pages 2/112 2/113
Schemes: page 2/119 2/117
Mounting (continued)
TeSys protection components
Model thermal overload relays
LRD-3ppp LR2-D35pp Independent mounting centres mounting rail AM1-DP200 DE200
LA7-D3064
LRD-3ppp, LR2-D35pp LR9-D Remote tripping electrical reset
LA7-D03
51,5
75/87
23,5
AM1-DP200
AM1-DE200
mounted side relays LRD-3ppp, LR2-D35pp LR9-D
LR2-D LRD-3ppp Adapter door interlock mechanism LA7-D1020 Stop
Reset
LA7-D1020
adjustable from
LRD, LR2-D LR9-D "Reset" flexible cable LA7-D305 LAD-7305 Mounting with cable straight
Mounting with cable bent
M10x1
Characteristics: pages 2/108 2/111 2/118
References: pages 2/112 2/113
Schneider Electric
Schemes
TeSys protection components
Model thermal overload relays
LRD, LR2-D LR3-D
Pre-cabling LAD-7C1, LAD-7C2
Reset
Auto Man.
Test Stop
LR9-D5ppp
1/L1
3/L2
5/L3
Test Stop Reset man.
2/T1
4/T2
6/T3
Tripped Overload Setting current Specialised circuit
LR9-D67 LR9-D69
1/L1
3/L2
5/L3
Test Stop Reset man.
2/T1
4/T2
6/T3
Tripped Overload Setting current Specialised circuit Alarm
Characteristics: pages 2/108 2/111
Schneider Electric
References: pages 2/112 2/113
Dimensions: pages 2/116 2/118 2/119

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