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DZ-S Relays

Coil data

  • Operating characteristics such as 'Operate voltage' and 'Release voltage' are influenced by mounting conditions, ambient temperature, etc.
    Therefore, please use the relay within ±5% of rated coil voltage.
  • 'Initial' means the condition of products at the time of delivery.

1.1 coil latching

Rated coil
voltage
Set voltage *
(at 20°C)
Reset voltage *
(at 20°C)
Rated operating
current
(±10%, at 20°C)
Coil resistance
(±10%, at 20°C)
Rated operating
power
Max. allowable
voltage
(at 20°C)
5 V DC Max. 70% V
of rated coil
voltage
(Initial)
Max. 70% V
of rated coil
voltage
(Initial)
300 mA 16.7 Ω 1.5 W 130% V of
rated voltage
12 V DC 125 mA 96 Ω
24 V DC 62.5 mA 384 Ω
*square, pulse drive

2.2 coil latching

Rated coil
voltage
Set voltage *
(at 20°C)
Reset voltage *
(at 20°C)
Rated operating
current
(±10%, at 20°C)
Coil resistance
(±10%, at 20°C)
Rated operating
power
Max. allowable
voltage
(at 20°C)
5 V DC Max. 70% V
of rated coil
voltage
(Initial)
Max. 70% V
of rated coil
voltage
(Initial)
600 mA 8.3 Ω 3 W 130% V of
rated voltage
12 V DC 250 mA 48 Ω
24 V DC 125 mA 192 Ω
*square, pulse drive

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Specifications

Item Specifications
Contact data Contact arrangement 1 Form A
Contact voltage drop
(initial)
Max. 0.09 V (at 90 A), Max. 0.05 V (at 10 A)
Contact material AgSnO2 type
Contact rating
(resistive)
90 A 250 V AC
Max. switching power
(resistive)
24,840 VA
Max. switching voltage 276 V AC
Max. switching current 90 A (AC)
Min. switching load
(reference value)
*1
100 mA 125 V AC
Insulation resistance (initial) Min. 1,000 MΩ
(at 500 V DC, Measured portion is the same as the case of dielectric strength.)
Dielectric
strength
(initial)
Between
open contacts
2,000 Vrms for 1 min (detection current: 10 mA)
Between
contact and coil
4,000 Vrms for 1 min (detection current: 10 mA)
Surge withstand voltage (initial)*2 Between
contact and coil
12,000 V
Time
characteristics
(initial)
Set time Max. 20 ms at rated coil voltage (at 20°C, without bounce)
Reset time Max. 20 ms at rated coil voltage (at 20°C, without bounce)
Shock
resistance
Functional 300 m/s2 (half-sine shock pulse: 11 ms, detection time: 10 μs)
Destructive 1,000 m/s2 (half-sine shock pulse: 6 ms)
Vibration
resistance
Functional 10 to 55 Hz (at double amplitude of 1.5 mm, detection time: 10 μs)
Destructive 10 to 55 Hz (at double amplitude of 2 mm)
Expected life Mechanical life Min. 100 x 103 ope. (switching frequency: at 180 times/min)
Conditions Conditions for usage,
transport and storage
*3 *4
Ambient temperature: -40 to +85°C
Humidity: 5 to 85% RH
(Avoid icing and condensation)
Unit weight Approx. 45 g
*1This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load.
*2Wave is standard shock voltage of ±1.2 x 50 µs according to JEC-212-1981.
*3For ambient temperature, please read “GUIDELINES FOR RELAY USAGE”.
*4Allowable current when ambient temperature over 70 °C is Max. 70 A.

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Expected electrical life

Conditions: Resistive load, switching frequency at 20 times/min

Type Load* Switching capacity Number of operations
1 Form A Resistive load 90 A 250 V AC Min. 10 x 103 ope.
(switching frequency ON : OFF = 2 s : 4 s)
UC3 Class (IEC62055-31) 90 A 276 V AC
(COSφ = 1 : 5,000 cycles,
COSφ = 0.5 : 5,000 cycles)
Min. 10 x 103 ope.
(switching frequency ON : OFF = 10 s : 20 s)
*Based on IEC62055-31 UC3, inductive load test was conducted after resistive load test, and expressed as total.

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