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Bourns 12502S120 General Duty AC Surge Protective Device

The Bourns Model 1250 Series is a general duty Surge Protective Device (SPD) engineered to safeguard electrical service entrances and branch panels in high-risk environments. This single-pole module offers versatile protection for both common mode and differential mode scenarios in single and three-phase applications up to 480V. It's designed for installation at the front end of electrical systems, providing a critical layer of defense against voltage surges. The device incorporates a visual fault indicator and remote signaling capability for proactive monitoring and maintenance.

Authorized Distributors
Source:DigiKey
Part No:1250-2S-120
Stock:28
Inv Date:05-28-2026
Price: Unit price: $225.95
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Part No:1250-2S-120
Stock:0
Inv Date:05-29-2026
Price: Unit price: $152.86
Buy/RFQ:
Part No:1250-2S-120
Stock:16
Inv Date:05-28-2026
Price: Unit price: $225.95
Buy/RFQ:
Part No:1250-2S-120
Stock:26
Inv Date:05-28-2026
Price: Unit price: $144.19
Buy/RFQ:
Part No:1250-2S-120
Stock:26
Inv Date:05-28-2026
Price: Unit price: $144.19
Buy/RFQ:
Part No:1250-2S-120
Stock:13
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Bourns 12502S120 General Duty AC Surge Protective Device Specifications:

  • AC Network: 120/240 V, 120/208 V
  • Connection Mode: 1-Pole, L-N or L-G
  • AC System: IT, TT, TN, Single, Split Phase, Delta, Wye
  • Max. Operating Voltage (MCOV): 150 V
  • TOV Withstand: 230 V
  • Leakage Current at Uc: < 1 mA
  • Follow Current: None
  • UL Nominal Discharge Current (In): 20 kA
  • Max. Discharge Current (Imax): 50 kA
  • UL Voltage Protection Rating (VPR): 700 V
  • Protection Level (Up): 0.9 kV
  • UL Short-Circuit Current Rating (SCCR): 100kAIC
  • Thermal Disconnector: UL 60691
  • Overcurrent Protection: Time Delay - 125 A Max.
  • Connection: By Screw Terminals, #6 AWG Max.
  • Dimensions: 90 x 18 x 67 mm
  • Mounting: DIN Rail, 35 mm Symmetrical
  • Remote Signal Indicator: 250 Vac Max., 2 A
  • Enclosure Material: Thermoplastic UL 94V0
  • Operating Temperature: -50 °C to +85 °C
  • Operating Altitude: 13,000 ft. (4,000 m)
  • Relative Humidity: 5to 95 % Non-condensing, up to 100 % External
  • Environmental Rating: IP 20

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Frequently Asked Questions

Where can I buy Bourns 12502S120?

You can click on the BUY or RFQ button to purchase 12502S120 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 12502S120?

You can download the 12502S120 datasheet or visit the Bourns website for support.

Who is the manufacturer of 12502S120?

Bourns

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