Datasheet

A-48 General-purpose Relay MK-I/-S
■ Contact Ratings
■ Characteristics
Note: The data shown are initial values.
Load Resistive load
(cosφ = 1)
Inductive load
(cosφ = 0.4)
Contact mechanism Single
Contact material Ag
Rated load 10 A at 250 VAC
10A at 28 VDC
7 A at 250 VAC
Rated carry current 10 A
Max. switching voltage 250 VAC, 250 VDC
Max. switching current 10 A
Max. switching power 2,500 VA, 280 W 1,750 VA
Contact resistance 50 mΩ max.
Operate time AC: 20 ms max. DC: 30 ms max.
Release time 20 ms max.
Max. operating frequency Mechanical:18,000 operations/hr
Electrical:1,800 operations/hr (under rated load)
Insulation resistance 100 MΩ min. (at 500 VDC)
Dielectric strength 2,500 VAC, 50/60 Hz for 1 min between coil and contacts;
1,000 VAC, 50/60 Hz for 1 min between contacts of same polarity, terminals of the same polarity;
2,500 VAC, 50/60 Hz fro 1 min between current-carrying parts, non-current-carrying parts, and termi-
nals of opposite polarity
Vibration resistance Destruction:10 to 55 to 10 Hz, 0.75-mm single amplitude (1.5-mm double amplitude)
Malfunction:10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude)
Shock resistance
Destruction:1,000 m/s
2
(approx. 100G)
Malfunction:100 m/s
2
(approx. 10G);
Endurance Mechanical:10,000,000 operations min. (at operating frequency of 18,000 operations/hour)
Electrical:Refer to Engineering Data.
Error rate (reference value) 10 mA at 1 VDC
Ambient temperature Operating:–10°C to 40°C (with no icing or condensation)
Ambient humidity Operating: 5% to 85%
Weight Approx. 85 g