General purpose miniature power relay

RoHS compliant

DGseries
Power relay series pursuing reliability and safety

DG1U-Ⅱ

DG1U-ⅢDG1U-Ⅲ 16A■ Currently it is used for such purposes● Ideal for power supply for TV● Control panel, Power supply equipment, Molding equipment, Machine tools,
Welding machines, Machinery for agriculture● Commercial equipment, Vending machines, Telecommunications equipment,
Disaster prevention equipment, Copiers, Measuring instruments, Medical devices● Various household appliances

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.

DG series■ Features○ General purpose miniature power relay boasting high reliability and achievement.
○ PCB type.
○ Small size, easy to use 1a relay.
○ Ideal for TV power supply, audio power supply, etc.
○ Conforms to the various safety standards.
○ We prepare contact current 5A and high capacity type 10A and 16A.
○ We prepare contact gap 1mm products suitable for interlock of copiers etc.
■ Model numbering systemDG
Rated coil voltage： Numeric part indication
DC (V)： 3, 5
12, 24
D： DC
Coil type
Number of contact poles 1： 1 pole
O： PCB terminal
Shape indication(M)： Make contact
Contact configuration
Ⅱ： Pushing the upper side of contact
Structure of operate
Ⅲ： Pushing the under side of contact
Nil： 5A
Contact current-10A： 10A
16A： 16A
Contact gap
Nil： Standard type
1G： 1mm gap■ Safety standards
Contact rating
DG1U-ⅢDG1U-Ⅱ

DG1U-Ⅲ 16A

5A 125/250VAC
5A 30VDC
TV-5, TV-8 120/250VAC

5A 125/250VAC
5A 30VDC
TV-5 120/250VAC, 10A 250VAC

5A 125/250VAC
5A 30VDC
TV-5, TV-8 120VAC
3/120A, 8/120A
8/60A, 4/135A 250VAC

5A 125/250VAC
5A 30VDC
TV-5 120VAC, 10A 250VAC

TUV

3A 5A 8A 250VAC
3A 5A 8A 30VDC

5A 8A 250VAC
10A 250VAC

16A 250VAC

CQC

5A 250VAC

10A 250VAC

16A 250VAC

UL

CSA
SEMKO

Electrical Appliances andMaterials Safety Act

16A 277VAC

10A 250VAC

Conformable■ Coil ratings
Item
AC/DC

VoltageDC● Notes：

351224

Power consumption 0.25W

Power consumption 0.53W

Rated current Coil resistance Rated current Coil resistance
（mA）
（Ω）
（mA）
（Ω）
―
176.5
―
1750
100
10647
20.8576
44275
10.4
2300
221100Operate voltage Release voltage Maximum voltage（Ｖ）
Power consumption（Ｖ）（Ｖ）

Ratio to rated voltage
80% max.

5% min.

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

0.25W
0.53W

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

DG series■ Ratings・Performance
Specifications
Contact
specification

Ratings

Electricalcapability

Mechanicalcapability

LifeConditions foroperation
Mass

Item

Performance
DG1U-ⅢDG1U-Ⅲ 16A
1a50mΩ max. (at DC6V 1A)
Ag alloy
AC250V 5A
AC250V 10A
AC277V 16A
1250VA
2500VA
4432VA
AC250V
AC277V
5A, TV-8
5A, 10A
16A0.25W/0.53W
0.53W
100MΩ min. (at DC500V)
AC4000V 1 min
AC1000V 1 min
10 000V min. (1.2×50μs)
15ms max. (excluding contact bounce time)
10ms max. (excluding contact bounce time)
10 to 55 to 10Hz （double amplitude 1.5mm）
10 to 55 to 10Hz （double amplitude 1.5mm）
100m/s 2
1000m/s 2
1 000 000 times min.
100 000 times min. (at rated load)(however, the 1G type is 100 000 times minimum at 10A,
50 000 times minimum at 16A)
-40℃ to +70℃ (no freezing and condensing at low temperature)
5% to 85%RH
approx. 10g
DG1U-Ⅱ

Contact configuration
Contact resistanceContact material
Rated load (resistive load)
Max. switching capacity (resistive load)
Max. switching voltage
Max. switching current
Power consumption
Insulation resistance
Between coil and contact
Dielectricstrength
Between open contact
Impulse withstand voltage (between coil and contact)
Operate time (at rated voltage on, at 20℃）
Release time (at rated voltage off, at 20℃）
Malfunction
Vibration
resistance
Destruction
Malfunction
Shockresistance
Destruction
Mechanical endurance (at 180 times/min)Electrical endurance(at 20 times/min)（16A： 1 s ON/9 s OFF）
Ambient temperature
Ambient humidity● Notes: The above is the initial value.

■ Dimensions■ Schematics■ PCB mounting holes (tolerances±0.1)

Unit: mm

Unit: mmTOLERANCES＜5mm: ±0.2≧5mm: ±0.3

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.

DG series
Reference data
■ Maximum switching capacity
DG1U-Ⅱ/Ⅲ (5A)

DG1U-Ⅲ (10A)
100Contact current (A)100

Contact current (A)105
AC resistive load

110AC resistive load

10.10.1
11010011000

101001000

AC contact voltage (V)AC contact voltage (V)DG1U-Ⅲ 16A
100

Contact current (A)1610
AC resistive load

10.1
110100AC contact voltage (V)1000■ Durability curve
DG1U-Ⅱ/Ⅲ (5A)

DG1U-Ⅲ (10A)
1000
Number of operations×104 times

4

Number of operations×10 times

1000

100

AC250V resistive load

10100

AC250V resistive load

101101234
AC contact current (A)506246810AC contact current (A)

12DG1U-Ⅲ 16A
Number of operations ×104 times

1000100AC250V resistive load

1010246810

1214161820

AC contact current (A)● Please understand that specifications may be changed without notice due to product improvement etc. ● 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 2­2, Noge 3­chome, Setagaya­ku, Tokyo 158-0092, Japan
Phone +81-3-3703-5421
Facsimile +81-3-3703-5426
https://www.j-dec.co.jp E-Mail: sales@j-dec.co.jp
U R L

202207