ENGINEERING DATA SHEET SERIES 129
CONTACTOR
1PST-DB-DM+AUX, 125 AMP/28 VDC

Permanent duty
Main contact 1NO + 1NC
Auxiliary contact 1NO + 1NC
Coil supply Direct current
- Polarized and protected coil See schematic diagram
Meets the requirements of AIR 7304 AIR 8456B
AIR 9456 MIL 6106J

PRINCIPLE TECHNICAL CHARACTERISTICS
Contacts rated at 125 A / 28 Vdc
Weight
- Ref. P/N: 129 450 g ±10%
- Ref. P/N: S129 470 g ±10%
- Ref. P/N: M129 480 g ±10%
Maximum size 92mm x 65mm x 51mm
Dust proof metal can.

CONTACT ELECTRICAL CHARACTERISTICS
Contact rating per pole and load type Load Current in Amps
@28Vdc
Resistive
Inductive
Motor
Overload
Rupture
I minimum 		125 (In)
75
125
8 In [1]
10 In [2]
In/10
Auxiliary contact rating @28Vdc @115Vac/400Hz
Resistive
Inductive (L/R=5ms)
Lamp 		5
2.5
2 		5
2.5
2
Notes:
[1] 1000 Amps for 50 cycles; duty cycle: .2 sec on, 20 sec off.
[2] 1250 Amps for 50 cycles; duty cycle: .2 sec on, 20 sec off.
3. Other models available upon request. Contact factory.
[4] Additional temperature ratings available.
Esterline-Leach International
  www.leachintl.com 		North America
6900 Orangethorpe Ave.
P.O. Box 5032
Buena Park, CA 90622 USA

Tel: (01) 714-736-7599
Fax: (01) 714-670-1145 		Europe, SA
2 Rue Goethe
57430 Sarralbe
France

Tel: (33) 3 87 97 98 97
Fax: (33) 3 87 97 84 04 		Asia-Pacific Ltd.
20/F Shing Hing Commercial Bldg.
21-27 Wing Kut Street
Central, Hong Kong

Tel: (852) 2 191 2886
Fax: (852) 2 389 5803
Data sheets are for initial product selection and comparison. Contact Leach International prior to choosing a component.
Date of issue: 6/06 - 90 - Page 1 of 3