NGB2B070B - 70 Amp Circuit Breaker

NGB2B070B - 70 Amp Circuit Breaker

Upgrade your electrical system with the Siemens NGB2B070B — a reliable, panelboard‑mount, low‑voltage circuit breaker engineered for dependable overload and short‑circuit protection. This 70‑amp, 2‑pole breaker is built for both residential and commercial environments where safety and consistency matter. The thermal-magnetic trip unit reacts precisely to overloads and short circuits, giving your wiring protection you can count on, day in and day out.

Key Features and Benefits

• Precision overload & short-circuit protection: The integrated thermal-magnetic trip unit quickly detects electrical faults and trips the circuit before damage occurs.
• 2‑Pole, 70 Amp capacity: Delivers solid performance for a wide range of electrical loads, from standard branch circuits to larger equipment feeds.
• High interrupting ratings: Rated at 14 kAIC (600Y/347 V) and 25 kAIC (480Y/277 V), providing dependable protection even in demanding situations.
• Secure wiring connections: Equipped with load-side lugs (TC1GG20), accommodating 8 AWG through 1/0 AWG copper or aluminum wire — making installation straightforward and flexible.
• Compact and easy to install: Its space‑saving design lets it slide neatly into standard panelboards without fuss.
• Long-lasting build quality: Constructed to endure daily use in residential, commercial, or light‑industrial settings without compromising safety or performance.

Technical Specifications

• Amperage: 70 A
• Poles: 2
• Interrupting Rating: 14 kAIC @ 600Y/347 V · 25 kAIC @ 480Y/277 V
• Dimensions: 2.0″ × 5.4″ × 2.8″
• Wire Range: 8 – 1/0 AWG (CU/AL)
• Weight: 1.889 lbs

Material Compliance and Certifications

• UL Listed: Meets strict safety and performance standards, giving you peace of mind.
• RoHS Compliant: Free from hazardous substances, aligning with environmental and health‑safety regulations.
• WEEE Directive Compliant: Designed with responsible recycling in mind, supporting sustainable disposal practices.

Where It Works Best

• The Siemens NGB2B070B shines in both home and commercial settings — whether you’re wiring a multi-family residence, outfitting a small business electrical panel, or upgrading a light-industrial installation. Its compact size and reliable performance make it a go-to breaker for branch circuits, equipment feeds, lighting panels, and general-purpose loads. If you want a circuit breaker that combines safety, flexibility, and long-term reliability, the NGB2B070B is a strong choice for safeguarding your electrical infrastructure.