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LD-P 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.
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*2
(at 20°C)
5 V DC Max. 75% V of
rated coil voltage
(Initial)
Min. 5% V of
rated coil voltage
(Initial)
40.0 mA 125 Ω 200 mW 180%V of
rated voltage
6 V DC 33.3 mA 180 Ω
9 V DC 22.2 mA 405 Ω
12 V DC 16.7 mA 720 Ω
18 V DC 11.1 mA 1,620 Ω
24 V DC 8.3 mA 2,880 Ω
*1Square, pulse drive
*2Maximum allowable voltage is the maximum voltage which can satisfy the coil temperature rise value.
Please refer to “Max. applied voltage and temperature rise” in GUIDELINES FOR USAGE.

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Specifications

Item Specifications
Contact data Contact arrangement 1 Form A
Contact resistance (Initial) Max. 100 mΩ (by voltage drop 6 V DC 1 A)
Contact material AgNi type
Contact rating (resistive) 5 A 277 V AC, 3 A 30 V DC
Max. switching power (resistive) 1,385 VA, 90 W
Max. switching voltage 277 V AC, 30 V DC
Max. switching current 5 A (AC), 3 A (DC)
Min. switching load (reference value)*1 100 mA 5 V DC
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 750 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 10,000 V
Time characteristics (initial) Operate time Max.10 ms at rated coil voltage (at 20°C, without bounce)
Release time Max.10 ms at rated coil voltage (at 20°C, without bounce, with diode)
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: 1.5 mm)
Expected life Mechanical life Min. 5×106 (at 180 times/min.)
Conditions Conditions for usage,
transport and storage*3
Ambient temperature: -40 to +85°C,
Humidity: 5 to 85% RH (Avoid icing and condensation)
Unit weight Approx. 4 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 ±1.2×50 μs according to JEC-212-1981
*3For ambient temperature, please read “GUIDELINES FOR RELAY USAGE”.

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INSULATION CHARACTERISTICS (IEC61810-1)

Item Characteristic
Clearance/Creepage distance (IEC61810-1) Min. 5.5mm/5.5mm
Category of protection (IEC61810-1) RT III
Tracking resistance (IEC60112) PTI175
Insulation material group III a
Over voltage category III
Rated voltage 250V
Pollution degree 3 2
Type of insulation (Between contact and coil) Basic Insulation Reinforced Insulation
Type of insulation (Between open contact) Micro Disconnection
*Note: EN/IEC VDE Certified.

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Expected electrical life

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

Type Switching capacity Number of operations
1 Form A 5 A 125 V AC Min. 2 x 105
5 A 250 V AC Min. 105
3 A 30 V DC Min. 105

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