ENGINEERING DATA SHEET M550
RELAY - NONLATCH
3 PSTNO, 25 AMP + 1 PDT, 2 AMP

Non latching hermetically sealed relay
Contact arrangement 3 PSTNO + 1 PDT
Coil supply Direct current
Meets the requirements of MIL-R-6106 / 13

PRINCIPLE TECHNICAL CHARACTERISTICS

Contacts rated at
25 Amps / 28 Vdc +
2 Amps / 28 Vdc
Weight 85 grams max
Dimensions max.
of case in mm		 26 x 25.7 x 26
Balanced-force design

Hermetically sealed, corrosion protected metal can

CONTACT ELECTRICAL CHARACTERISTICS
Minimum
operating cycles		 Contact rating per
pole and load type		 Load Current in Amps
@28 Vdc @115 Vac, 400 Hz @115/200 Vac, 400 Hz
50,000 cycles
10,000 cycles
50,000 cycles
50,000 cycles
resistive load
inductive load (L/R=5ms)
motor load
lamp load 		25 (2)
12 (1)
10
5 (0.5) 		25 (2)
12 (1)
10
5 (0.5) 		25
15
10
5
50 cycles
resistive overload 50 80
200,000 cycles
at 25% rated resistive load
(*) Load current in Amps for auxiliary contact


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Data sheets are for initial product selection and comparison. Contact Esterline Power Systems prior to choosing a component.
Date of issue: 9/08 - 173 - Page 1 of 4