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FINDER 403181200000 Miniature PCB Relay

The FINDER 40.31.8.120.0000 is a miniature PCB relay offering a compact and reliable solution for industrial control and automation systems. It supports both AC and DC coils and features cadmium-free contact material for environmentally conscious applications. The relay is designed for PCB mounting, either directly or via a socket, and can also be mounted on a 35mm rail using appropriate sockets. Its 6kV isolation and various coil voltage options make it suitable for a wide range of applications requiring robust and efficient switching.

Authorized Distributors
Source:Newark
Part No:40.31.8.120.0000
Stock:70
Inv Date:06-14-2026
Price: Unit price: $9.28
Buy/RFQ:
Source:DigiKey
Part No:40.31.8.120.0000
Stock:8637
Inv Date:06-14-2026
Price: Unit price: $10.58
Buy/RFQ:
Part No:40.31.8.120.0000
Stock:0
Inv Date:06-14-2026
Price: Unit price: $9.01
Buy/RFQ:

FINDER 403181200000 Miniature PCB Relay Specifications:

  • pole_relay_range: 1 & 2 Pole
  • rated_current: 8-16 A
  • contact_pin_pitch: 3.5 mm
  • mounting_type: PCB mount, 35 mm rail mount
  • coil_options: DC & AC coils
  • contact_material: Cadmium Free
  • isolation_voltage: 8 mm, 6 kV (1.2/50 µs)
  • ul_listing: UL Listing (certain combinations)
  • flux_proof: RT II standard, (RT III option)
  • contact_configuration: 1 CO (SPDT)
  • rated_current_max_peak_current: 10/20 A
  • rated_voltage_max_switching_voltage: 250/400 V AC
  • rated_load_ac1: 2,500 VA
  • rated_load_ac15_230_vac: 500 VA
  • single_phase_motor_rating: 0.37 kW
  • breaking_capacity_dc1: 10/0.3/0.12 A
  • minimum_switching_load: 300 mW (5/5)
  • standard_contact_material: AgNi
  • nominal_voltage_un_ac: 6 - 12 - 24 - 48 - 60 - 110 - 120 - 230 - 240 V AC
  • nominal_voltage_un_dc: 5 - 6 - 7 - 9 - 12 - 14 - 18 - 21 - 24 - 28 - 36 - 48 - 60 - 90 - 110 - 125 V DC
  • rated_power_ac_dc_sens_dc: 1.2/0.65/0.5 VA
  • operating_range_ac: (0.8…1.1)UN
  • operating_range_dc_sens_dc: (0.73…1.5)UN/(0.73…1.75)UN
  • holding_voltage_ac_dc: 0.8UN/0.4UN
  • must_drop_out_voltage_ac_dc: 0.2UN/0.1UN
  • mechanical_life_ac_dc: 10 · 10^6 / 20 · 10^6 cycles
  • electrical_life_at_rated_load_ac1: 200 · 10^3 cycles
  • operate_release_time: 7/3 - (12/4 sensitive) ms
  • insulation_between_coil_and_contacts: 6 (8 mm) kV
  • dielectric_strength_between_open_contacts: 1,000 V AC
  • ambient_temperature_range: –40…+85 °C

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Frequently Asked Questions

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You can click on the BUY or RFQ button to purchase 403181200000 from an authorized FINDER distributor.

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You can download the 403181200000 datasheet or visit the FINDER website for support.

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