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IDEC Corporation RH4BULDC12V Power Relay

The RH series compact power relay features 10A SPDT and 4PDT contacts, offering high capacity in a space-saving design. Suitable for industrial applications, it provides reliable switching performance in a compact size.

Authorized Distributors
Source:Newark
Part No:RH4B-ULDC12V
Stock:109
Inv Date:06-10-2026
Price: Unit price: $27.81
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Source:DigiKey
Part No:RH4B-ULDC12V
Stock:97
Inv Date:06-10-2026
Price: Unit price: $25.62
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Part No:RH4B-ULDC12V
Stock:18
Inv Date:06-11-2026
Price: Unit price: $25.62
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Part No:RH4B-ULDC12V
Stock:0
Inv Date:06-11-2026
Price: N/A
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Part No:RH4B-ULDC12V
Stock:54
Inv Date:06-10-2026
Price: Unit price: $28.27
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Part No:RH4B-ULDC12V
Stock:0
Inv Date:06-10-2026
Price: Unit price: $25.49
Buy/RFQ:
Part No:RH4B-ULDC12V
Stock:0
Inv Date:06-10-2026
Price: Unit price: $25.49
Buy/RFQ:

IDEC Corporation RH4BULDC12V Power Relay Specifications:

  • Contact Material: Silver cadmium oxide
  • Contact Resistance: 50mΩ maximum
  • Operating Time: 25ms maximum (SPOT, 2ms for 4PDT)
  • Release Time: Approximately 25ms maximum
  • Insulation Resistance: 100MΩ minimum (500V DC megger)
  • Dielectric Strength: 2,000V AC for 1 minute between live and dead parts
  • Electrical Life: 50 million mechanical operations
  • Operating Frequency: Mechanical 18,000 operations/hour
  • Vibration Resistance: 10 to 55Hz, amplitude 0.5mm
  • Shock Resistance: 200m/s² (20G) for SPOT, 100m/s² (10G) for 3 and 4PDT
  • Ambient Temperature Range: -25°C to +70°C
  • Weight: Approx. 74g for 4PDT relay

Buy the IDEC Series RH4B Relay: RH4BULDC12V

Discover the IDEC RH4BULDC12V power relay, designed for reliable switching with 10A contact capacity. Its compact size makes it ideal for space-constrained environments. Suitable for industrial systems, it features SPDT and 4PDT configurations with various coil voltage options. Built for durability, it offers long mechanical and electrical life with a maximum operating temperature of 70°C. Easy to install, it ensures stable operation, making it an excellent choice for automation, control panels, and manufacturing equipment.

Buy IDEC RH4BULDC12V relay now and experience unmatched reliability and performance in high-capacity switching applications.

Frequently Asked Questions

Where can I buy IDEC Corporation RH4BULDC12V?

You can click on the BUY or RFQ button to purchase RH4BULDC12V from an authorized IDEC Corporation distributor.

How do I troubleshoot issues or seek technical support for part RH4BULDC12V?

You can download the RH4BULDC12V datasheet or visit the IDEC Corporation website for support.

Who is the manufacturer of RH4BULDC12V?

IDEC Corporation

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