The first few pages of any manual are crucial for avoiding "out-of-box" failures.
| Parameter | Typical Value / Range | | :--- | :--- | | | 72.5 kV AC (for switchgear) or 24-48V DC (for actuator motor) | | Rated Current (Mechanism) | 1250A - 2500A (depending on contact configuration) | | Stroke Length | 170 mm (the "170" in the model) | | Spring Charge Time | ≤ 15 seconds (manual crank) or ≤ 5 seconds (motorized) | | Operating Temperature | -25°C to +55°C | | Mechanical Endurance | 10,000 operations (Class M1 or M2) | | Weight (Complete Mechanism) | Approximately 35-50 kg | | Protection Class | IP54 (dust-protected and splash-proof) | ltb 72.5-170d1 b manual
Chapter 1 INTRODUCTION
Designed and tested in accordance with international standards like IEC . The first few pages of any manual are
**4-1. MAINTENANCE ALLOCATION CHART (MAC)" The Maintenance Allocation Chart (MAC) designates responsibility for maintenance functions to specific maintenance levels. The MAC is located in the appendix. **4-2. EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST" This list contains all supplies and materials that are expendable or durable which are used for operator/unit maintenance. ltb 72.5-170d1 b manual