General purpose miniature power relay

RoHS compliantDAseries
Power relay series pursuing reliability and safety

DA2U¥ Currently it is used for such purposesï Air conditioners, Solar water heater, Factory automation equipment,Automation equipment
ï Control panel, Power supply equipment, Molding equipment,
Machine tools, Welding machines, Machinery for agricultureï Power supply for commercial equipment, Power supply for electric tools,
Measuring instruments, Medical devices, Disaster prevention equipment
ï Packing machines, Food processing machines

DEC is a professional manufacturer of relays

Daiichi Electric Co., Ltd.
https://www.j-dec.co.jp

General purpose miniature power relay that can be used for a wide range of applications from control to power.

DA series¥ Features
ï General purpose power relay boasting high reliability and achievement.
ï Terminal shape suitable for application is standard equipped.
ï Tab terminals for contact and PCB terminals for coil and contacts signal is prepared.
ï Medium size and easy to use 2-poles type.

¥ Model numbering system

DA
Rated coil voltage: Numeric part indication
0000000
DC (V)ÿ 12, 24Coil typeDÿ DCNumber of contact poles2ÿ 2 poles¥ Safety standards
Contact rating
UL(C-UL)

23A 277V ACTUV

20A 250V AC cosÇ=115A 250V AC cosÇ=0.4

Electrical Appliances andMaterials Safety ActConformable¥ Coil ratings
ItemAC/DCDCï NotesÿVoltage

1224Rated current
ÿÿAÿCoil resistance
ÿ«ÿ

83.3
41.6

144
577

Operate voltage
ÿVÿ80% max.

Release voltage
Maximum voltageÿVÿÿVÿRatio to rated voltage
10% min.

Power consumption
ÿWÿ

110%

1. Rated current and coil resistance are values at coil temperature of 20#, tolerance is 10%.
2. Operate voltage and release voltage are values at coil temperature of 20#.
3. Maximum voltage is the maximum value of the allowable voltage fluctuation range of the relay coil operating power supply
with the ambient temperature at 20#.

DEC is a professional manufacturer of relays

Daiichi Electric Co., Ltd.
https://www.j-dec.co.jp

1.0General purpose miniature power relay that can be used for a wide range of applications from control to power.

DA series¥ RatingsûPerformance
Specifications
Contact
specification

Ratings

Electricalcapability

Mechanicalcapability

LifeConditions foroperation
Mass

Item

Performance

Contact configuration
Contact resistanceContact material
Rated load (resistive load)
Max. switching capacity (resistive load)
Max. switching voltage
Max. switching current
Insulation resistance
Between coil and contacts
Dielectric
Between open contacts
strength
Between opposite polarity contacts
Impulse withstand voltage (between coil and contacts)
Operate time (at rated voltage on, at 20#ÿRelease time (at rated voltage off, at 20#ÿMalfunction
Vibration
resistance Destruction
Malfunction
Shockresistance Destruction
Mechanical endurance (at 180 times/min)Electrical endurance ÿinverter load)(at 20 times/min)Ambient temperature
Ambient humidity

2a50m« max. (at DC6V 1A)
Ag alloy
AC220V 20A
4400VA
AC250V
20A
100M« min. (at DC500V)
AC4000V 1 min
AC1000V 1 min
AC2000V 1 min
10 000V min. (1.2¶50¿s)
30ms max. (excluding contact bounce time)
30ms max. (excluding contact bounce time)
10 to 55 to 10Hz ÿdouble amplitude 1.5mm)
10 to 55 to 10Hz ÿdouble amplitude 1.5mm)
100m/s 2
1000m/s 2
1 000 000 times min.
30 000 times min. ÿACÿ 220V 20Aÿ
-40# to +60# (no freezing and condensing at low temperature)
5% to 85%RHapprox. 32g

ï Notes: The above is the initial value.

DEC is a professional manufacturer of relays

Daiichi Electric Co., Ltd.
https://www.j-dec.co.jp

General purpose miniature power relay that can be used for a wide range of applications from control to power.

DA series¥ Dimensions¥ Schematics
Unit: mmTOLERANCES
ÿ5mm: 0.2
g5mm: 0.3

¥ PCB mounting holes (tolerances0.1)

Unit: mm

DEC is a professional manufacturer of relays

Daiichi Electric Co., Ltd.
https://www.j-dec.co.jp

General purpose miniature power relay that can be used for a wide range of applications from control to power.

DA series
Reference data
¥ Maximum switching capacity
DA2U100

Contact current (A)10AC inverter load

10.1
1101001000

AC contact voltage (V)¥ Durability curve
DA2U4

Number of operations¶10 times

100

101

Inverter load AC220V 20A

0.1
0246810 12 14 16 18 20 22 24

AC contact current (A)ï Please understand that specifications may be changed without notice due to product improvement etc. ï Dimensions and specifications indicate only major points. Please contact our sales representatives for details.

DEC is a professional manufacturer of relays

AgencyDaiichi Electric Co., Ltd.
Head office 22, Noge 3chome, Setagayaku, Tokyo 158-0092, Japan
Phone +81-3-3703-5421
Facsimile +81-3-3703-5426
U R L
https://www.j-dec.co.jp E-Mail: sales@j-dec.co.jp

202205