Features ϭʳMicro 280 automotive relay. ϭʳSPNO & SPDT contact configurations. ϭʳNO contacts switch 35A resistive load, NC contacts switch 20A resistive load, 100,000 ops., 23°C. ϭʳOperating ambient temperature -40°C to 125°C. ϭʳOptional resistor or diode for coil transient suppression. ϭʳComplies with RoHS-Directive 2011/65/EU and ELVDirective 2000/53/EC.
Type List
Enclosure style
Terminal
Contact
Designation
style
form
(provided with)
Dust cover
Flux tight
Sealed type washable
----------
301-1A-D
301-1A-C
301-1A-S
Resistor
301-1A-D-R1
301-1A-C-R1
301-1A-S-R1
Diode
301-1A-D-D1
301-1A-C-D1
301-1A-S-D1
----------
301-1C-D
301-1C-C
301-1C-S
Resistor
301-1C-D-R1
301-1C-C-R1
301-1C-S-R1
Diode
301-1C-D-D1
301-1C-C-D1
301-1C-S-D1
1A (SPNO) Socket terminal 1C (SPDT)
Ordering Information
301 1
-
1A 2
-
D 3
4
5
1. 301 -- Basic series designation 2. 1A 1C
-- Single pole normally open -- Single pole double throw
3. D C S
-- Dust cover -- Flux tight -- Sealed type washable
4. Blank -- Standard type R1 -- Coil parallel with 1/2W resistor for 6V 180Ω, 12V 680Ω, 24V 2700Ω D1 -- Coil parallel with diode 1N4007 the diode anode on # 85 terminal 5.
-- Coil voltage (please refer to the coil rating data for the availability)
Contact Rating Resistive load
1A
1C
35A 14VDC
NOʳˍ 35A 14VDC, 15A 28VDC
15A 28VDC
NCʳˍ 20A 14VDC, 10A 28VDC
Coil Rating (DC)
248
Rated
Rated current
Coil resistance Max. continuous
voltage
±10 % at 23°C ±10 % at 23°C
Pick up
Drop out
Power consumption
voltage
voltage(Max.)
voltage(Min.)
at rated voltage
(V)
(mA)
(Ω)
at 85°C
at 23°C
at 23°C
6
187.5
32
133 % of
60 % of
10 % of
12
97.5
123
rated
rated
rated
24
49.6
483
voltage
voltage
voltage
approx. 1.2W
301
SONG CHUAN
Specification Contact material
AgSnO alloy
Contact voltage drop Operate time
(1)
Release time
(1)
Typ. 40mV at 10A 10ms Max. 10ms Max.
Insulation resistance Dielectric strength
(1)
(1)
20MΩ Min. (DC 500V)
(1)
Vibration resistance Shock resistance
Between open contact
: AC 500V , 50/60Hz 1 min.
Between contact and coil
: AC 500V , 50/60Hz 1 min.
Operating extremes
10Д500Hz , 5.0G
Damage limits
10Д500Hz , 5.0G
Operating extremes
10G
Damage limits
100G 10,000,000 operations
Mechanical
(frequency 18,000 operations/hr)
Life expectancy
100,000 operations
Electrical
(frequency 1,800 operations/hr)
Operating ambient temperature
-40Д+125°C (no freezing)
Weight
Approx. 20 g
Note : (1) Initial value. Operate and release time excluding contact bounce.
Outline Dimensions 22.5
15
(0.886)
11
(0.433)
25
(0.984)
(0.591)
2.8-5
8.1
(0.110)
(0.319)
16.2
(0.638)
0.8-5
(0.031)
3.9
(0.154)
7.8
(0.307)
TOLERANCE: LESS THAN: 1(0.039) ±0.1(0.004) 5(0.197) ±0.3(0.012) 20(0.787) ±0.5(0.020) MORE THAN: 20(0.787) ±1(0.039)
C L
C L
249
301
SONG CHUAN
Wiring Diagram BOTTOM VIEW
1A
1C
30
86
30
85
87
85
R1 86
D1
85
(-) 85
86
(+) 86
87
87A
Engineering Data Safe breaking,arc extinguished (normally open contact)for resistive loads.
10
7
10
6
10
5
Life expectancy
90
Number of operations
60 50 40 0W
49
30 20 0W
0W
W
15
20
10
50
Switching voltage(VDC)
70
NO NC
10 0.5
1
2
3
5
10
15
20
35
Switching current(A)
0 5
10
15
20
25
30
35
14VDC resistive load/Switching current(A)
10
Ambient temperature vs coil voltage for continuous duty
Life expectancy
7
6
NO
NC 10
Max.allowable ambient temperature
Number of operations
10
5
140 130
A
120 110
C
100
D
80 70 60 50 40 30 20 90
0
0
4
2
11
105
110
115
6
10
8
14
12
16
125
130
Maximum mean coil temperature=155ʨ
max
8 7
min
6 5
avg
Release time
4
max
3
avg
2
min
70
80
90
100
110
120
130
140
150
% of Nominal coil voltage (at 23ʨ)
250
120
135
A:15A B:20A C:25A D:35A Contact load(resistive)
Operate time
9
Time (ms)
100
Operate time/Release time
10
1 0
95
Applied coil voltage (% of rated nominal) 28VDC resistive load/Switching current(A)