GV3P80 Motor Circuit Breaker

GV3P80 is a 3‑pole thermal‑magnetic motor circuit breaker from Schneider Electric TeSys GV3 series. It has an adjustment current range of 70–80A, suitable for 45kW (400V) / 55kW (690V) three‑phase motors. It integrates triple protection (過負荷, short‑circuit, phase failure) and isolation function, serving as a core protection component in industrial motor circuits.

1. Model Explanation

GV3: TeSys GV3 motor circuit breaker series (frame size 3)

P: Thermal‑magnetic release (triple protection: 過負荷 + short‑circuit + phase failure)

80: Rated current 80A, adjustable range 70–80A (continuously adjustable)

2. 主な仕様 (Full Data)

3. Core Functions & 利点
4. Triple Protection

Thermal trip: Overload inverse‑time protection (simulates motor heating characteristics)

Magnetic trip: Short‑circuit instantaneous protection (fixed 14×In)

Phase failure protection: Automatic trip under three‑phase unbalance (IEC 60947‑4‑1)

2. EverLink Terminal Technology

Maintenance‑free, anti‑loosening, oxidation‑resistant, suitable for large‑section cables, reduces wiring failure risks.

3. 安全設計

Knob operation, lockable in OFF position (up to 3 padlocks)

Clear current scale for precise adjustment

Complies with IEC isolation standards, usable as motor circuit isolator

4. Wide Environmental Adaptability

Operating altitude: ≤3000m (no derating required)

Vibration resistance: 10–150Hz, 0.5mm amplitude

Shock resistance: 5Gn (11MS); 30Gn (1MS)

4. 選定基準 (TeSys GV3 Series)

5. アプリケーション

Direct starting / star‑delta starting circuits for three‑phase asynchronous motors

Main circuit protection for fans, pumps, コンプレッサー, conveyors, machine tools

Industrial automation lines, construction equipment motor control

Motor circuits requiring isolation and safety interlock (例えば, emergency stop loops)

Motors with frequent starting/stopping and fluctuating loads

6. Replacement Options
7. Schneider same series

GV3L80 (short‑circuit only, lower cost)

GV3ME80 (simplified adjustment, same mounting space)

2. Competitor alternatives

シーメンス: 3RV1041‑4JA10 (70–80A, 3P, thermal‑magnetic)

ABB: MS165‑80 (70–80A, 3P, thermal‑magnetic)

Chinese brands: Chint NM1‑125S, Delixi CDM1‑125 (motor protection curve matching required)

3. Upgrade solution

Schneider GV4P08N (frame 4, higher breaking capacity, for motors above 55kW)

Selection Tips

1. Select adjustment range at 1.1–1.25 × motor rated current
2. Confirm breaking capacity meets system short‑circuit current requirements
3. For isolation function, prefer models with certified isolation
4. For limited wiring space, choose EverLink terminal models to reduce faults

Complete Model List of Schneider Electric TeSys GV Series Motor Circuit Breakers

Schneider TeSys GV series motor circuit breakers include six sub‑series: GV1, GV2, GV3, GV4, GV5, GV6, covering an adjustment range from 0.06A to 800A, suitable for 0.03kW to 400kW (400V) three‑phase motors, with thermal‑magnetic, magnetic, and economy thermal‑magnetic protection types.

1. GV1 Series (Miniature, 製造中止, replaced by GV2ME)

GV1ME01: 0.1–0.16A

GV1ME02: 0.16–0.25A

GV1ME03: 0.25–0.4A

GV1ME04: 0.4–0.63A

GV1ME05: 0.63–1.0A

GV1ME06: 1.0–1.6A

GV1ME07: 1.6–2.5A

GV1ME08: 2.5–4.0A

2. GV2 Series (Small, 0.06–16A, 0.03–15kW/400V)

2.1 GV2P (Thermal‑magnetic, full protection, knob)

2.2 GV2L (Magnetic, short‑circuit only, knob)

2.3 GV2ME (Economy thermal‑magnetic, pushbutton, 3‑step)

2.4 GV2LE (Magnetic with electronic trip, special applications)

GV2LE01 ~ GV2LE22: matching current ratings as GV2L, with electronic trip

3. GV3 Series (中くらい, 9–80A, 5.5–45kW/400V, 55mm width)

3.1 GV3P (Thermal‑magnetic, full protection, EverLink)

3.2 GV3L (Magnetic, short‑circuit only)

GV3L25: 18–25A

GV3L32: 23–32A

GV3L40: 30–40A

GV3L50: 40–50A

GV3L65: 55–65A

GV3L80: 70–80A

3.3 GV3ME (Economy thermal‑magnetic, 3‑step)

4. GV4 Series (大きい, 25–115A, 15–55kW/400V, 81mm width)

4.1 GV4P (Thermal‑magnetic, full protection)

4.2 GV4L / GV4LE (Magnetic type)

GV4L25 ~ GV4L115: matching current ratings as GV4P

GV4LE25 ~ GV4LE115: magnetic with electronic trip

4.3 Special GV4 Models

GV4PB80S: UL489 approved, 63–80A

GV4P02N: 2‑pole thermal‑magnetic, special applications

5. GV5 / GV6 Series (Extra‑large, 100–800A, 55–400kW/400V)

GV5P100: 80–100A

GV5P125: 100–125A

GV5P160: 125–160A

GV5P200: 160–200A

GV6P250: 200–250A

GV6P315: 250–315A

GV6P400: 315–400A

GV6P500: 400–500A

GV6P630: 500–630A

GV6P800: 630–800A

6. モデルの命名規則

7. クイックセレクションガイド
8. Select adjustment range at 1.1–1.25 × motor rated current
9. For full protection (過負荷 + short‑circuit + phase failure): choose P series
10. If thermal protection exists (例えば, VFD): choose L series (short‑circuit only)
11. Cost‑sensitive, simple adjustment: choose ME series (3‑step)
12. Small motors (≤15kW): GV2; 中くらい (15–45kW): GV3; 大きい (≥55kW): GV4–GV6
13. 注意事項
14. All models are 3‑pole (3P) for three‑phase asynchronous motors
15. Protection characteristics comply with IEC 60947‑4‑1
16. 遮断容量: GV2/GV3 100kA@400V; GV4 65kA@400V
17. 取り付け: 35mm standard DIN rail
18. Degree of protection: IP20 (front operating part)