Key facts
- Listed location
Exton, Pennsylvania, USA
- Company type
- Manufacturer
- Company size
- Small (10-50)
- Founded
- 1937
Company record
Bender, Inc. designs and manufactures a full range of electrical grounding and underground fault detection equipment, operating under ISO 9001 certification. Its portfolio covers ground‑fault solutions for both grounded and ungrounded AC and DC systems, as well as specialized measuring and monitoring relays used in the mining sector. The relay lineup features voltage, current, asymmetry, phase‑sequence, frequency and continuity types. In addition, Bender supplies a suite of hospital‑grade products such as line‑isolation monitors for critical‑care isolated power networks, clock and elapsed‑time timers, and dedicated panels for isolated power, laser, and X‑ray applications. All offerings are engineered to monitor, detect, locate and interrupt ground faults across grounded, ungrounded and high‑resistance grounded DC configurations, as well as single‑phase and three‑phase AC systems. The company serves diverse markets that include railway, chemical, steel, mining, power generation and distribution, offshore, shipboard, military, healthcare, commercial, laboratory and industrial environments. Several items in the catalog carry UL listing.
Listed capabilities
- Interface Converters
- Alarm Relays
- Cable Fault Locators
- Chronometers
- Circuit Breaker Relays
- Current Limiting Relays
- Current Sensing Relays
- Differential or Marginal Relays
- Fault Finding Instruments
- Fault Locators
- Frequency Relays
- Ground Continuity Monitors
- Ground Fault Circuit Interrupters (GFCI or GFI)
- Ground Fault Locators
- Ground Fault Monitors
- Ground Fault Relays
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