KDA LEACH | Alldatasheet
Document overview
- Manufacturer or author: MarketingLA
- PDF pages: 5
Technical content
RELAY – NONLATCH 3PST/NO +AUX, 25 AMP (714) 736-7598 • leachcorp.com • LINA.CustomerService@LeachCorp.com The technical information provided by Leach International Corporation is to be used as a guide only, and is not meant for publication or as documentation for altering any existing specification. Dimensions are in inches unless otherwise specified. Rev. 6/2019
- All welded construction
- Contact arrangement
3 PST configuration with 1 PDT, 2
AMP auxiliary contacts in one inch cube
- Designed to the performance standards of MIL-PRF-6106 PRINCIPLE TECHNICAL CHARACTERISTICS
- Contacts rated at 28 Vdc and 115/200 Vac, 400 Hz, 3Ø
- Weight 0.188 lb max
- Dimensions 1.01in x 1.01in x 1.00in
- Hermetically sealed, corrosion resistant metal can. Detail specifications and ordering data appear on the following pages.
- Contact factory for information on MIL-qualified part numbers. Applicable sockets: SO-1061-8916 Application Notes: 102 007 CONTACT ELECTRICAL CHARACTERISTICS Contact rating per pole and load type [1] Load current in Amps @28 Vdc @115 Vac 400 Hz @115/200 Vac
400 Hz, 3Ø
@115/200 Vac
60 Hz, 3Ø [9]
@230/400 Vac
400 Hz [11]
Resistive [2] 25 25 25 2.5 5 Inductive [3] 12 15 15 2.5 5 Motor 10 10 10 2 2 Lamp 5 5 5 1 2 Overload 50 80 80 N/A N/A Rupture 60 100 100 N/A N/A Contact rating of auxiliary contacts at 28 Vdc or 115 Vac, 400 Hz Resistive
2 Amp
1 Amp
0.5 Amp
RELAY – NONLATCH 3PST/NO +AUX, 25 AMP COIL CHARACTERISTICS (Vdc) GENERAL CHARACTERISTICS Unless otherwise noted, the specified temperature range applies to all relay characteristics. Vac 400 Hz Vac 50 thru 400 Hz Vac 400 Hz CODE E F J K T [11] Nominal operating voltage 28 115 28 115 230 Maximum operating voltage 30 122 30 122 248 Maximum pickup voltage - Cold coil at +125° C 22 90 23 95 180 - During high temp test at +125° C 24.4 95.4 24.6 100 185 - During continuous current test at +125° C 25.6 103.5 25.9 105 195 Maximum drop-out voltage 10 30 10 30 60 Coil current maximum milliAmperes at +25° C 225 40 120 28 22 Temperature range -70°C to +125°C Minimum operating cycles (life) at rated load 50,000 [3] Minimum operating cycles (life) at 25% rated load 200,000 Dielectric strength at sea level - All circuits to ground and circuit to circuit 1250 Vrms - Coil to ground 1000 Vrms [4] Dielectric strength at altitude 80,000 ft 500 Vrms [5] Insulation resistance - Initial (500 Vdc) 100 M Ω min - After environmental tests (500 Vdc) 50 M Ω min Sinusoidal vibration (A, D, E and W mounting) 0.12 d.a. / 10 to 70 Hz 30G / 70 to 3000 Hz Sinusoidal vibration (J mounting) 0.12 d.a. / 10 to 57 Hz 20G /57 to 3000 Hz Random vibration - Applicable specification MIL-STD-202 - Method 214 - Test condition – A, D and E mounting 1G (0.4G2/Hz, 50 to 2000 Hz) - Test condition – G and J mounting 1E (0.2G2/Hz, 50 to 2000 Hz) - Duration 15 minutes each plane Shock (A, D, E and W mounting) 200G / 6 ms Shock (J mounting) 100G / 6 ms Maximum contact opening time under vibration and shock 10 μs Operate time at nominal voltage @25°C 20 ms max Release time at nominal voltage @25°C 50 ms max Contact make bounce at nominal voltage - Power contacts@25°C 1 ms max - Auxiliary contacts @25°C 4 ms max Contact release break bounce at nominal voltage @25°C 0.1 ms max [8] Weight maximum 0.188 lb
RELAY – NONLATCH 3PST/NO +AUX, 25 AMP MOUNTING STYLES Dimensions in inches Tolerances, unless otherwise specified, XX ± 0.03 in XXX ± .01 in Use this mounting style to mate with Leach socket
RELAY – NONLATCH 3PST/NO +AUX, 25 AMP TERMINAL TYPES
RELAY – NONLATCH 3PST/NO +AUX, 25 AMP DIAGRAMS TOL: .XX ±.03; .XXX ±.010 NUMBERING SYSTEM NOTES 1. Standard Intermediate current test applicable. Relays to be mounted to limit mounting bracket temp. to 135° C. 3. DC inductive load 10,000 cycles. AC inductive load 20,000 cycles. 4. Dielectric of auxiliary contact gap after life tests: 750 Vrms. 5. 500 Vrms with silicone gasket compressed, 350 Vrms all other conditions. 6. Reference military specification: MIL-PRF-6106, and MIL-PRF-6106/13. 7. Special models available: dry circuit, established reliability testing, etc. 8. Applicable to power contacts only. 9. 60 Hz load life, 10,000 cycles. 10. Time current relay characteristics per MIL-PRF-6106. 11. Temperature range: Non-operating -62°C to +95°C Operating -54°C to +71°C For any inquiries, please contact your local sales representative: leachcorp.com KDA - A 4 F Basic series designation 1. Mounting styles (A, D, E, J) 2. Terminal types (1, 2, 4,) [1] 3. Coil voltage, see coil characteristics (E, F, J, K or T)