1. Max. switching capacity up to 30A/40A.
2. P.C.B. mounting or quick connect terminals.
3. Optional Mounting bracket.
4. 1 Form A, 1 Form B, 1 Form C and 2 Form A arrangements.
Dimensions
Unit: mm (inch)
Tolerance: ±0.2(.008)
Schematics
(Bottom view)
Pad Layout
(Bottom view)
Unit: mm (inch)
Part Number System
MA
1C
-
12
M
C
T
Basic Designation
MA = MA Series
Contact Arrangement
1A = 1 Form A (SPST-NO) 1B = 1 Form B (SPST-NC) 1C = 1 Form C (SPDT) 2A = 2 Form A (DPST-NO)
Coil Voltage
6~24V
Mounting Bracket
Nil = Standard (without Lever) M = With Lever W = Weatherproof Type
Terminal Type
Nil = Plug-In C = P.C.B.
Contact Load
Nil = 30A T = 40A
Coil Ratings (at 20°C)
Coil Type
Coil Nominal Voltage
(V)
Coil Resistance
(Ω ± 10%)
Pick-up Voltage
(V) ≤
Drop-Out Voltage
(V) ≥
Nominal Current
(mA)
DC Standard
6
22.5
3.6
0.6
267
12
90
7.2
1.2
133
24
360
14.4
2.4
67
* Max continuous Voltage at 20°C: 130% of Coil Nominal Voltage.
Contact Ratings
Contact Arrangement
1 Form A
(SPST-NO)
1 Form B
(SPST-NC)
1 Form C
(SPDT)
2 Form A
(DPST-NO)
Max. Switching Power
480W
Max. Switching Voltage
12VDC
Max. Switching Current
40A
Contact Resistance
≤50mΩ
Rating
Resistive Load
Contact Load = 30A
30A 12VDC
20A 12VDC
NO: 30A 12VDC
NC: 20A 12VDC
2 x 30A 12VDC
Contact Load = 40A
40A 12 VDC
30A 12VDC
NO: 40A 12VDC
NC: 30A 12VDC
2 x 40A 12VDC
Contact Material
silver alloy
Characteristics
Electrical Life
1 x 105
Mechanical Life
1 x 107
Initial Insulation Resistance
Min. 100MΩ 500VDC
Contact Resistance (Initial)
≤50mΩ
Operate Time
≤10ms
Release Time
≤10ms
Initial Dielectric Strength
50/60Hz 500VAC 1 min. (between contact and coil)
50/60Hz 500VAC 1 min. (between open contact)
Vibration Resistance
Malfunction: 10 to 40Hz at Double Amplitude of 1.27mm
Destructive: 10 to 40Hz at Double Amplitude of 1.27mm
