Suntree 1P DC Miniature Circuit Breaker — 10A, 16A, 32A, 50A, 63A

Overview

The Suntree DC 1-pole miniature circuit breaker protects DC systems from overloads and short circuits using a combined thermal and magnetic trip mechanism. It's reversible for bidirectional wiring, features a contact-position indicator for quick checks, and mounts easily to a standard DIN rail with a snap-in buckle. Designed for repeated use, it can be manually opened under load and simply reset after a trip.

Benefits

• Protects your wiring and equipment so you reduce risk of fire and costly damage.
• Makes maintenance faster — after a trip you reset the breaker instead of replacing a fuse.
• Simplifies installation and service with a clear indicator window for contact position checks.
• Saves installation time with a snap-on DIN-rail buckle design and easy removal.
• Supports reversible wiring and bidirectional current, so it fits more system layouts without extra parts.
• Built to last, lowering downtime and the need for frequent replacements.

Features

• Thermal-magnetic trip mechanism for both overload and short-circuit protection.
• Reversible connection — can be wired in either direction and handles bidirectional current.
• Can be manually opened under full rated load without damage; simply reset after clearing a fault.
• Built-in indicator window to show contact position at a glance.
• Snap-in buckle for quick installation and removal on standard DIN rails.
• Accepts conductor sizes from 14 AWG to 4 AWG.
• Available rated currents: 10A, 16A, 32A, 50A, 63A (single pole).
• Certified to CE, RoHS, CB and TUV standards (SAA listed).

Specifications

• Product options: 10A / 16A / 32A / 50A / 63A (1 pole)
• Rated operating voltage: 250 VDC
• Rated insulation voltage: 1250 V
• Rated frame current: 63 A
• Operating short-circuit breaking capacity: 6 kA
• Ultimate short-circuit breaking capacity: 6 kA
• Rated impulse withstand voltage: 6 kV
• Rated non-tripping current (?1 h): 10.5 A / 16.8 A / 33.6 A / 52.5 A / 66.15 A
• Rated tripping current (<1 h): 13 A / 20.8 A / 41.6 A / 65 A / 81.9 A
• Rated instantaneous tripping current (<0.1 s): 60 A / 96 A / 192 A / 300 A / 378 A
• Number of poles: 1
• Protection rating: IP20
• Operating temperature range: -30 °C to 70 °C (-22 °F to 158 °F)
• Storage temperature range: -40 °C to 85 °C (-40 °F to 185 °F)
• Operating relative humidity: ?95%
• Mechanical life: 20,000 operations
• Electrical life: 1,000 operations (at <125 VDC)
• Trip mechanism: Thermal-magnetic
• Damp heat resistance: Type 2
• Dimensions: 82 × 76 × 18 mm (3.2 × 3.0 × 0.7 in)
• Weight: 120 g (4.2 oz)
• Recommended terminal torque: 2.0–2.3 N·m (17.7–20.4 in·lbs)
• Conductor size: 14 AWG to 4 AWG
• Installation method: DIN rail snap-on (snap in, press bottom until buckle locks; pull down buckle to remove)
• Material & workmanship warranty: 1.5 years
• Certifications: CE, RoHS, CB, TUV, SAA