Product Description
Hyundai APR-1S-AL Over-Current Trip Relay
The Hyundai APR-1S-AL is a highly reliable over-current trip relay designed to provide comprehensive protective trip functions for circuit breakers. This advanced protective device features fully adjustable Long-Time Delay (LTD), Short-Time Delay (STD), and Instantaneous (INST) trip characteristics, ensuring precise coordination and robust protection for your electrical systems. With a rated current of 1600A (I0) and 2500A (Ict), it is engineered for heavy-duty industrial applications. The unit includes a convenient 50/60Hz frequency selection switch, a PICK UP LED indicator for quick status verification, and a TEST IN port for routine maintenance checks. Its durable panel-mount metal housing with mounting brackets ensures long-lasting performance in demanding environments.
Technical Specifications:
- Brand & Model: Hyundai APR-1S-AL
- Rated Current: I0: 1600 A | Ict: 2500 A
- Long-Time Delay (LTD) Settings: Pickup (I1): 0.8, 0.9, 1.0, 1.05, 1.15, 1.2, 1.25, NON, slo | Time (T1): 15, 24, 30, 45, 60 SEC (at 1.2xI1)
- Short-Time Delay (STD) Settings: Pickup (I2): 2.5, 2.75, 3, 3.5, 4, 5, NON, slo | Time (T2): 100, 200, 300, 400, 500, 600 ms
- Instantaneous (INST) Settings: Pickup (I3): 4, 6, 8, 10, 12, 16, NON, slo
- Frequency Selection: 50Hz (ON) / 60Hz (OFF) via select switch
- Terminals & Connections: Rear terminal block (AL1, AC1, G, T, S, R, TP, GN, TN, SN, RN, TN)

Hyundai APR-1S-AL Over-Current Trip Relay
Protect your industrial electrical systems with the genuine Hyundai APR-1S-AL Over-Current Trip Relay. Rated for 1600A/2500A, this versatile circuit breaker protective device features fully adjustable LTD, STD, and INST trip settings, a 50/60Hz selector, and integrated LED diagnostics for ultimate reliability and safety.
| Brand | HYUNDAI |
|---|---|
| Model | APR-1S-AL |
| Part No. | 1001371834119 |
| Category | Electrical |
| Link | https://www.echuan-hydraulic.com/product/hyundai-apr-1s-al-over-current-trip-relay |




