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NC 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.
Contact
arrangement
Rated coil
voltage
Operate
voltage*1
(at 20°C)
Release
voltage*1
(at 20°C)
Rated operating
current
(±10%, at 20°C)
Coil resistance
(±10%, at 20°C)
Rated
operating
power
Max. allowable
voltage
(at 50°C) *2
2 Form C 3 V DC Max. 80% V
of rated coil
voltage
(Initial)
Min. 10% V
of rated coil
voltage
(Initial)
120 mA 25 Ω 360 mW 135% V of
rated coil
voltage
5 V DC 72 mA 69.4 Ω
6 V DC 60 mA 100 Ω
12 V DC 30 mA 400 Ω
24 V DC 15 mA 1,600 Ω
48 V DC 7.5 mA 6,400 Ω
100 V DC 7.4 mA 13,500 Ω 740 mW 110% V of
rated coil
voltage
4 Form C 3 V DC Max. 80% V
of rated coil
voltage
(Initial)
Min. 10% V
of rated coil
voltage
(Initial)
240 mA 12.5 Ω 720 mW 110% V of
rated coil
voltage
5 V DC 144 mA 34.7 Ω
6 V DC 120 mA 50 Ω
12 V DC 60 mA 200 Ω
24 V DC 30 mA 800 Ω
48 V DC 15 mA 3,200 Ω
100 V DC 7.4 mA 13,500 Ω 740 mW
*1Square, pulse drive
*2At 20°C (Sealed type)

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Specifications

Item Specifications
Contact
data
Contact
arrangement
2 Form C 4 Form C
Contact
resistance
(initial)
Max. 50 mΩ (by voltage drop 6 V DC 1 A)
Contact material AC-clad, AgNi type
Contact rating
(resistive)
Dust cover: 5 A 250 V AC, 5 A 30 V DC
Sealed: 3 A 250 V AC, 5 A 30 V DC
Dust cover: 4 A 250 V AC, 5 A 30 V DC
Sealed: 2 A 250 V AC, 5 A 30 V DC
Max. switching
power
(resistive)
Dust cover: 1,250 VA, 150 W
Sealed: 750 VA, 150 W
Dust cover: 1,000 VA, 150 W
Sealed: 500 VA, 150 W
Max. switching
voltage
250 V AC, 220 V DC
Max. switching
current
Dust cover: 5 A (AC, DC)
Sealed: 3 A (AC), 5 A (DC)
Dust cover: 4 A (AC), 5 A (DC)
Sealed: 2 A (AC), 5 A (DC)
Min. switching
load
(reference value) *1
100 μA 1 V DC
Insulation resistance (initial) Min. 100 MΩ (at 500 V DC, Measured portion is the same as the case of dielectric strength.)
Dielectric
strength
(initial)
Between open
contacts
1,000 Vrms for 1 min (detection current: 10 mA)
Between contact
sets
1,000 Vrms for 1 min (detection current: 10 mA)
Between contact
and coil
2,000 Vrms for 1 min (detection current: 10 mA)
Time
characteristics
(initial)
Operate time Max. 20 ms at rated coil voltage (at 20°C, without bounce)
Release time Max. 10 ms at rated coil voltage (at 20°C, without bounce, without diode)
Shock
resistance
Functional 98 m/s2 (half-sine shock pulse: 11 ms, detection time: 10 μs)
Destructive 980 m/s2 (half-sine shock pulse: 6 ms)
Vibration
resistance
Functional 10 to 55 Hz (at double amplitude of 1 mm, detection time: 10 μs)
Destructive 10 to 55 Hz (at double amplitude of 2 mm)
Expected life Mechanical life Min.50 x 106 ope. (switching frequency: at 180 times/min)
Conditions Conditions for
usage,
transport
and storage *2
Ambient temperature:
-40 to +70°C (Max. 48 V DC),
-40 to +55°C (Min. 100 V DC)
Humidity:
5 to 85% RH (Avoid icing and condensation)
Ambient temperature:
-40 to +55°C
Humidity:
5 to 85% RH (Avoid icing and condensation)
Unit weight Approx. 16 g Slim type: Approx. 19 g,
Flat type: Approx. 18 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.
*2For ambient temperature, please read "GUIDELINES FOR RELAY USAGE".

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Expected electrical life

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

Type Switching capacity Number of operations
2 Form C Dust cover 5 A 30 V DC Min. 500 x 103 ope.
5 A 250 V AC Min. 100 x 103 ope.
Sealed 5 A 30 V DC Min. 500 x 103 ope.
3 A 250 V AC Min. 100 x 103 ope.
4 Form C Dust cover 5 A 30 V DC Min. 500 x 103 ope.
4 A 250 V AC Min. 100 x 103 ope.
Sealed 5 A 30 V DC Min. 500 x 103 ope.
2 A 250 V AC Min. 100 x 103 ope.

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