




Multispan AV-A Series Digital Ampere Meter | Built-in 30A CT | LED Display | 230V AC
🔹 Product Summary:
The Multispan AV-A Series — including AV-11A, AV-21A, AV-31A, and AV-41A — is a compact range of digital single-phase ampere meters designed to directly measure AC current up to 30A without external CT wiring. Featuring a clear 3-digit LED display, Class 0.5 accuracy, and a rugged enclosure, these meters offer seamless integration into modern control panels across industrial, commercial, and utility applications.
🔹 Key Features:
Built-in 30A Current Transformer (CT) — no external CT needed
Display: 3-digit 7-segment RED LED, 0.56” height
Accuracy: Class 0.5
Input Voltage: 230V AC ±10%, 50/60 Hz
Burden: < 0.2 VA
Operating Conditions:
Temperature: 0–55°C
Humidity: ≤ 95% RH non-condensing
Front Panel Protection: IP65 (on request)
Enclosure Material: ABS body with PC front
Mounting: Panel mount with rear clamp
Panel Sizes:
AV-11A: 96 × 96 × 63 mm (Cutout: 92 × 92 mm)
AV-21A: 75 × 75 × 36 mm (Cutout: 68 × 68 mm)
AV-31A: 48 × 96 × 46 mm (Cutout: 45 × 92 mm)
AV-41A: 52 × 52 × 45 mm (Cutout: 45 × 45 mm)
🔹 Applications:
Generator sets & motor control panels
HVAC and UPS systems
Load current monitoring
Transformer control panels
Industrial automation systems
OEM panel manufacturing
🔹 Product Benefits:
No external CT required — simple wiring
Space-saving compact design
IP65 front (on request) ensures installation durability
Ideal for real-time AC current display up to 30A
Quick installation with panel cutout flexibility
Reliable accuracy with minimal power consumption
❓ FAQs:
Q1. Does this meter need an external CT?
No, it includes a built-in 30A CT.
Q2. Can it measure above 30A?
No, it’s designed for direct measurement up to 30A only.
Q3. What is the main difference among AV-11A, 21A, 31A, and 41A?
The only difference is physical size and panel cutout — the electrical features are identical.
Q4. Is it compatible with standard 230V panels?
Yes, it operates on 230V AC ±10% and fits most control systems.
Q5. Does it support IP65 protection?
Yes, IP65 front protection is available upon request.