Cross-Brand Equivalent for Acti9 iPRD1 12.5r 3P+N (A9L16482) SPD

Below are Type 1+2 combined surge protective devices from major electrical brands that match the performance parameters of Schneider A9L16482 (Acti9 iPRD1 12.5r 3P+N). All are suitable for 3P+N three‑phase four‑wire systems, equipped with remote signaling, and can be used as direct replacements or functionally equivalent solutions.

Core Matching Parameters (Schneider A9L16482)

Modèles équivalents & Parameter Comparison by Brand

1. ABB Equivalent

2. Siemens Equivalent

3. CHINT Equivalent

4. Delixi Equivalent

5. Other International Brands

Key Considerations for Replacement Selection

1. Parameter Matching Priority: Ensure the four core parameters Iimp, Imax, Uc, Up match system requirements, as they directly affect surge protection performance and equipment safety.
2. Remote Function Compatibility: Verify remote contact type (dry/wet) and operating voltage (C.C 24 V / AC 230V) match the existing monitoring system.
3. Taille d'installation: 4 modules (72mm) is standard for most brands, but confirm actual space.
4. Earthing Compatibility: Ensure the model supports the on‑site earthing system (TN‑S / TT / TN‑C‑S).
5. Prix & Warranty: Chinese brands (CHINT, Délicieux) are typically 20–40% lower, with 1–2 year warranty; international brands usually offer 2–5 years.

Recommandations de sélection

Direct Replacement:

ABB OVR ZP T1-T2 3N 12.5-255, Siemens 5SD7414-2RC, Delixi CDYN-I+II 12.5/350 3P+N fully match Schneider A9L16482 and can be interchanged directly.

Performance Upgrade:

Choose CHINT NU5 series (Imax 65kA) or ABB OVR ZP+ series (Taper 1+2+3) for higher protection level.

Cost Optimization:

Chinese brands (CHINT NXU, Delixi CDYE) significantly reduce cost while meeting basic protection needs.