Specifications are subject to change without notice — July 17, 2014 1
Product Series
Amperage Rating
Number of Poles
Optional Shunt
Load Terminals
Coil Voltage
Auxiliary Output
Definite Purpose Contactors
1, 2 and 3 pole
Type GDP
l Denite Purpose Contactors
l Switching up to 100A resistive, 90A inductive
l Line Voltage up to 600VAC on most sizes
l Control voltage up to 480VAC
l Screw or box lug terminals available on most sizes
l Fast-on coil and power terminal
l Hp ratings on 3-pole contactors
l UL recognized for US and Canada
l Cost eective
Product Description Ordering Key GDP 40 1 S L 120V 01
Power contactors specifi-
cally designed for the OEM
when contactor, perfor-
mance and cost must be
optimized. Perfect choice-
for HVAC, lighting, pumps,
compressors, pools, spas,
welders, etc. Available in
standard 1, 2 and 3-pole
type.
Type Selection
Product Series
GDP
Amperage Rating
25: 25 Amps
32: 32 Amps
40: 40 Amps
50: 50 Amps
60: 60 Amps
75: 75 Amps
90: 90 Amps
Number of Poles
1: 1 Pole
2: 2 Poles
3: 3 Poles
Optional Shunt
S: With Shunt
Blank: No Shunt
Load Terminals
L: Lug*
S: Screw**
Coil Voltage
24V: 24 VAC
120V: 110/120 VAC
220V: 220 VAC
277V: 277 VAC
480V: 480 VAC
Auxiliary Output
01: 1 NC***
Blank: none
* Lug and Fast-On load termianals. Fast-on control terminals
** Screw and Fast-On load termianals. Fast-on control terminals
*** Available only on 1 Pole contactors
See page x for list of available part numbers
Specifications are subject to change without notice — July 17, 2014 2
GDP
Selection Guide
Amperage Terminal Coil 1 Pole 1 Pole 2 Pole 3-Pole
Rating Type Voltage with 1 Aux with shunt
24 VAC GDP251S24V01 GDP251SS24V GDP252S24V
120 VAC GDP251S120V01 GDP251SS120V GDP252S120V
Screw 220 VAC GDP251S220V01 GDP251SS220V GDP252S220V
277 VAC GDP251S277V01 GDP251SS277V GDP252S277V
25 Amps 480 VAC GDP251S480V01 GDP251SS480V GDP252S480V
24 VAC GDP251L24V01 GDP251SL24V GDP252L24V GDP253L24V
120 VAC GDP251L120V01 GDP251SL120V GDP252L120V GDP253L120V
Lug 220 VAC GDP251L220V01 GDP251SL220V GDP252L220V GDP253L220V
277 VAC GDP251L277V01 GDP251SL277V GDP252L277V GDP253L277V
480 VAC GDP251L480V01 GDP251SL480V GDP252L480V GDP253L480V
24 VAC GDP321S24V01 GDP321SS24V GDP322S24V
120 VAC GDP321S120V01 GDP321SS120V GDP322S120V
Screw 220 VAC GDP321S220V01 GDP321SS220V GDP322S220V
277 VAC GDP321S277V01 GDP321SS277V GDP322S277V
32 Amps 480 VAC GDP321S480V01 GDP321SS480V GDP322S480V
24 VAC GDP321L24V01 GDP321SL24V GDP322L24V GDP323L24V
120 VAC GDP321L120V01 GDP321SL120V GDP322L120V GDP323L120V
Lug 220 VAC GDP321L220V01 GDP321SL220V GDP322L220V GDP323L220V
277 VAC GDP321L277V01 GDP321SL277V GDP322L277V GDP323L277V
480 VAC GDP321L480V01 GDP321SL480V GDP322L480V GDP323L480V
24 VAC GDP401S24V01 GDP401SS24V GDP402S24V
120 VAC GDP401S120V01 GDP401SS120V GDP402S120V
Screw 220 VAC GDP401S220V01 GDP401SS220V GDP402S220V
277 VAC GDP401S277V01 GDP401SS277V GDP402S277V
40 Amps 480 VAC GDP401S480V01 GDP401SS480V GDP402S480V
24 VAC GDP401L24V01 GDP401SL24V GDP402L24V GDP403L24V
120 VAC GDP401L120V01 GDP401SL120V GDP402L120V GDP403L120V
Lug 220 VAC GDP401L220V01 GDP401SL220V GDP402L220V GDP403L220V
277 VAC GDP401L277V01 GDP401SL277V GDP402L277V GDP403L277V
480 VAC GDP401L480V01 GDP401SL480V GDP402L480V GDP403L480V
24 VAC GDP503L24V
120 VAC GDP503L120V
50 Amps Lug 220 VAC GDP503L220V
277 VAC GDP503L277V
480 VAC GDP503L480V
24 VAC GDP603L24V
120 VAC GDP603L120V
60 Amps Lug 220 VAC GDP603L220V
277 VAC GDP603L277V
480 VAC GDP603L480V
24 VAC GDP753L24V
120 VAC GDP753L120V
75 Amps Lug 220 VAC GDP753L220V
277 VAC GDP753L277V
480 VAC GDP753L480V
24 VAC GDP903L24V
120 VAC GDP903L120V
90 Amps Lug 220 VAC GDP903L220V
277 VAC GDP903L277V
480 VAC GDP903L480V
Part numbers in bold font indicate stock code A items.
All other part numbers are stock code D.
Specifications are subject to change without notice — July 17, 2014 3
GDP
Technical Specifications
1 Pole
Model Voltage FLA LRA Horsepower Resistive Rating
GDP251 240/277 25 150 - 32
GDP321 240/277 32 200 - 40
GDP401 240/277 40 240 - 50
2 Pole
240/277 25 150 - 32
GDP252 480 20 120 - 32
600 15 90 - 32
240/277 32 200 - 40
GDP322 480 25 150 - 40
600 20 120 - 40
240/277 40 240 - 50
GDP402 480 32 200 - 50
600 25 160 - 50
3Pole
240/277 25 150 7.5 32
GDP253 480 20 110 10 32
600 15 90 10 32
240/277 32 200 10 40
GDP323 480 25 115 15 40
600 20 95 15 40
240/277 40 240 10 50
GDP403 480 32 150 20 50
600 25 120 20 50
240/277 50 300 15 60
GDP503 480 40 215 30 60
600 32 175 30 60
240/277 60 360 20 75
GDP603 480 40 215 30 75
600 32 175 30 75
240/277 75 450 25 90
GDP753 480 60 375 50 90
600 50 300 50 90
240/277 90 540 30 100
GDP903 480 75 450 60 100
600 60 360 60 100
Coil Specifications
1 Pole and 2 Pole Contactors
Model In-rush VA Sealed VA Operational Voltage Drop-out Voltage Frequency
All 1P and 2P 55 13 (85%~110%) Uc (20% ~ 65%) Uc 50 / 60 Hz
3 Pole Contactors
GDP253 ~ GDP403 51 12
GDP503 ~ GDP603 83 14 (85%~110%) Uc (20% ~ 65%) Uc 50 / 60 Hz
GDP753 ~ GDP903 165 30
Uc - nominal coil voltage
Specifications are subject to change without notice — July 17, 2014 4
l Operating Temperature:
Temperature≤35°Cin24hperiod.
-5~40°C(+23~104°F)-fullcurrentrating.
41~50°C(106~122°F)-0.875de-ratingfactor
51~60°C(124~140°F)-0.750de-ratingfactor
61~70°C(142~158°F)-0.625de-ratingfactor
l StorageTemperature:-25-+55°C(-13~131°F)
l RelativeHumidity:lessthan50%@40°C,non-condensing
l ShockandVibration:donotsubjectproducttoshockandvibration
l PollutionDegree:2
l Altitude:≤2000m
l Installation:≤5°fromverticalplane
Agency Approvals, Conformance
l Agencyapprovals:ULle:E236208,ULcategory:NLDX2,NLDX8
l SCCRrating:5KrmssymmetricalAmperes,600Vmax,whenprotectedbyULlisted
fuse
l Utilizationcategories:AC-1,AC-8a
l Environmental:RoHS
Connection Diagrams
1 Pole with 1 auxiliary contact 1 Pole with shunt
GDP251…01, GDP321..01, GDP401..01 GDP251, GDP321, GDP401
2 Pole 3 Pole
GDP252, GDP322, GDP402 GDP253, GDP323, GDP403
GDP503, GDP603, GDP753, GDP903
1/L1, 2/T1, 3/L2, 4/T2, 5/L3, 6/T3 are the main power contacts
11, 12 are low current Normally Closed auxiliary contacts
A1, A2 are coil contacts
GDP
Enviromental Specification
A1 1/L1
2/T1
11
12
A2
A1 1/L1
2/T1
N
N
A2
A1 1/L1
2/T1
3/L2
4/T2
A2
A1 1/L1
2/T1
A2
3/L2
4/T2
5/L3
6/T3
A1 1/L1
2/T1
11
12
A2
A1 1/L1
2/T1
N
N
A2
A1 1/L1
2/T1
3/L2
4/T2
A2
A1 1/L1
2/T1
A2
3/L2
4/T2
5/L3
6/T3
A1 1/L1
2/T1
11
12
A2
A1 1/L1
2/T1
N
N
A2
A1 1/L1
2/T1
3/L2
4/T2
A2
A1 1/L1
2/T1
A2
3/L2
4/T2
5/L3
6/T3
A1 1/L1
2/T1
11
12
A2
A1 1/L1
2/T1
N
N
A2
A1 1/L1
2/T1
3/L2
4/T2
A2
A1 1/L1
2/T1
A2
3/L2
4/T2
5/L3
6/T3
Specifications are subject to change without notice — July 17, 2014 5
GDP
Auxiliary Contact Specifications
For 1 Pole Contactors with 01 sufix
Ith (A) Ui (V) AC (VA) DC (W)
10 600 300 30
Terminal Connections:
Power Terminals
Contactor Series Terminal Type Screw Type Max wire size AWG [mm2] Max torque value
and Size Stranded Solid lb-in [N-m]
GDP251S Screw Phillips, M5 14-12 [2.5~4] 14-10 [2.5~6]
GDP251L Lug Flat head, M8 14-12 [2.5~4] 14-10 [2.5~6] 20 [2.2]
GDP252S, GDP32S, GDP40S Screw Phillips, M5 use ring of fork terminals only
GDP252L, GDP32L, GDP40L Flat head, M8 14-10 [2.5~6] 12-8 [4~10]
GDP503L, GDP603L Lug Flat head, M10 12 -8 [4~10] 10-6 [6~16] 40 [4.5]
GDP753L, GDP903L Flat head, M12 6-4 [ 16~25] 4-3 [25~35] 50 [5.6]
All power terminals offer additional dual 1/4” fast-on terminals
60/75C cupper wire only
Coil terminals
Contactor Series Terminal Type Screw Type Max wire size Max torque value
and Size AWG [mm2] Lb-in [N-m]
GDP251S
GDP251L
GDP252S, GDP32S, GDP40S Dual 1/4” fast-on N/A N/A N/A
GDP252L, GDP32L, GDP40L
GDP503L, GDP603L Dual 1/4” fast-on Phillips, M4 16 - 14 [1~2.5] 10 [1.2]
GDP753, GDP903L plus screw
Auxiliary Contacts
Contactor Series Terminal Type Screw Type Max wire size Max torque value
and Size AWG [mm2] Lb-in [N-m]
GDP251S Screw Phillips, M4 16 - 14 [1~2.5] 10 [1.2]
GDP251L
Endurance Ratings
Rating Type Product Rating
Mechanical life of the contactor All 1Ppole and 2Pole 1 million cycles
All 3Pole 500K cycles
UL508 electrical life of contacts All 30K cycles
Specifications are subject to change without notice — July 17, 2014 6
GDP
Dimensions:
GDPx1 (1 pole + shunt)
92max
22±0.14
41.3±0.2
45±0.2
55max
41.3±0.2
5.2
67max
4x dia. 5.2mm
R
GDPx1S (1 pole + AUX) and GDPx2 (2 pole)
45±0.2
41.3±0.2
22.2±0.14
41.3±0.2
5.2
92max
67max
R
4x dia. 5.2mm
55max
GDP203 ~ GDP403 (3 pole 20~40A)
5.5
1.6
79.2±0.25
37.5±0.2
57±0.2
82.5±0.25
96max
68.5max
5.5
5.5
37.5±0.2
51.7±0.2
5.5
75max
5.5
5.5
82.5±0.25
5.5
51.7±0.2
37.5±0.2
68.5max
5.5
5.5
79.2±0.25
57±0.2
116.5max
81max
GDP503 ~ GDP603 (3 pole 50~60A)
117±0.18
64±0.18
74±0.18
8
5
10
+0.14
0
5
+0.14
0
117max
135max
90.5max
GDP753 ~ GDP903 (3 pole 75~90A)
All Dimensions are expressed in millimeters
GDPx1 (1 pole+shunt)
GDP203 ~ GDP403 (3 pole 20~40A)
GDPx1S (1 pole+AUX) and GDPx2 (2 pole)
GDP503 ~ GDP603 (3 pole 50~60A)
GDP753 ~ GDP903 (3 pole 75~90A)