Highly reliable and long life relay, ideal for replacing mercury relay.
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PCB Mounting Relays
2-pole relay RIW (Medium-Capacity Type)
▼Features
◼ These relays are reliable in a wide range of applications, from small current circuits at signal level to power circuits for switching inductive loads.
◼ The wide range of current capacity allows direct switching of inductive loads when used with PLC signal output.
◼ The low power consumption of the coil reduces the temperature rise in the switchboard.
◼ Flow soldering is supported.
◼ For 2-contact models, either 1NO1NC contact or 2NO contact can be selected for economical operation.
◼ These relays are reliable in a wide range of applications, from small current circuits at signal level to power circuits for switching inductive loads.
◼ The wide range of current capacity allows direct switching of inductive loads when used with PLC signal output.
◼ The low power consumption of the coil reduces the temperature rise in the switchboard.
◼ Flow soldering is supported.
◼ For 2-contact models, either 1NO1NC contact or 2NO contact can be selected for economical operation.
Ratings and Specifications
Type | RIW-F25MC | RIW-G25MC | |
Contact Arrangement | 1NO1NC | 2NO | |
Built-in Contact Type (Bestact) | R25 | ||
Contact Performance | Rated Operational Current （Inductive Load） | 240VAC 0.5A（50/60Hz） 115VDC 0.3A（L/R=40ms） | |
Minimum Operational Power Ratings | 24VDC 1mA Failure Rate λ₆₀＝4.6×10⁻⁹（/time）or less | ||
Initial Contact Resistance | 500mΩ or less（6VDC 1A） | ||
Operating Time | 5ms or less (excluding bounce time） | ||
Releasing Time | 5ms or less (excluding bounce time） | ||
Bounce Time | 3ms or less | ||
Rated Insulation Voltage | 250VAC (50/60Hz) | ||
Insulation Resistance | 100MΩ or greater (with 500VDC Megger) | ||
Withstand Voltage | Across open contacts : 500VAC, 1 min (50/60Hz) Between contacts, between coil and contact, and between terminals and ground : 1500VAC, 1 min (50/60Hz) | ||
Vibration Resistance | Malfunction : 98m/s² {10G} (20 to 1000Hz) | ||
Shock Resistance | Malfunction : 147m/s²｛15G｝, Destruction : 980m/s²｛100G｝ | ||
Operating Temperature | ‐20℃ to +60℃ | ||
Storage Temperature | ‐25℃ to +80℃ | ||
Approx. Weight | 60g | ||
Note:
1. The contact performance specifications refer to the built-in contacts.
2. The rated operational current indicates the current value to be used under the rated operational voltage and specified conditions (make and break current, switching frequency, and electrical endurance).
For 240VAC: The setting is based on 10× make (cosφ = 0.6–0.7) and 1× break (cosφ = 0.3–0.4). A rated operational current of 1A means 10A for making and 1A for breaking. For 115VDC: The setting is based on 1× make and 1× break, specified for inductive loads (L/R = 40ms).
3. Time characteristics are values measured at an ambient temperature of +20℃ with the coil energized at its rated voltage.
4. Temperature characteristics are values under conditions without freezing or condensation.
Coil Specifications
Type | Contact Arrangement | Rated Voltage (E) | Coil Resistance | Rated Power Consumption |
RIW-F25MC/D12 | 1NO1NC | DC12V | 170Ω | Approx. 0.85W |
RIW-G25MC/D12 | 2NO | 200Ω | Approx. 0.7W | |
RIW-F25MC/D24 | 1NO1NC | DC24V | 685Ω | Approx. 0.85W |
RIW-G25MC/D24 | 2NO | 810Ω | Approx. 0.7W |
Type | Operation Characteristics | ||
Operating Voltage 75%E or less (+20℃ Cold Start) | Releasing Voltage 5%E or greater (+20℃ Cold Start) | Maximum Allowable Voltage 130%E (+20℃ Cold Start) | |
RIW-F25MC/D12 | DC9.0V or less | DC0.6V or greater | DC15.6V |
RIW-G25MC/D12 | |||
RIW-F25MC/D24 | DC18.0V or less | DC1.2V or greater | DC31.2V |
RIW-G25MC/D24 | |||
Note:
1. Values tabulated above indicate operations at ambient temperature of +20℃.
2. The operating time of NO contact and NC contact may overlap.
3. Maximum allowable voltage is the maximum value that can be applied to the coil in consideration of its thermal degradation and insulators in the relays.This is not a continuous allowable voltage. Relays incorporating NC contact may erroneously operate if the maximum allowable voltage is exceeded even for a short time.
Dimensions (㎜)
