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Home Products UL 1017 Figure 4 IEC Articulate Accessibility Probe with Stop Plate

UL 1017 Figure 4 IEC Articulate Accessibility Probe with Stop Plate

Product No: SMT-SA1788A

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Description

This dual-compliant probe (aligned with IEC standards and UL 1017 Figure 4) is a critical safety tool for transformers, power supplies, and industrial reactors—used globally, especially in North American and international markets. It tests if hazardous live parts (e.g., high-voltage windings, terminal blocks) are accessible through equipment gaps (vents, panel seams, terminal openings). Featuring a rigid conductive stainless steel tip (matched to UL 1017 Figure 4’s dimensions) and a heat-resistant insulated handle, it applies a controlled 30N thrust to mimic realistic accidental contact. Dual compliance ensures it meets both global IEC requirements and U.S.-specific UL rules, making it essential for manufacturers to validate equipment safety and streamline market access.

Standards:

Standards No.	Clause/Figure	Standards Name
UL 1017:2023	Clause 8.4, Figure 4	Standard for Safety for Transformers, Power Supplies, and Reactors
IEC 61558-1:2020	Clause 9.2, Figure 9.2	Power transformers, power supplies, reactors and similar products for supply voltages up to 1 100 V – Part 1: General requirements and tests
UL 60950-1:2023	Clause 6.1.3, Figure 6.1.3	Standard for Safety for Information Technology Equipment – Safety – Part 1: General Requirements

Specifications:

Tool Type: IEC/UL 1017 Figure 4 Dual-Compliant Safety Probe (for transformers/power supplies hazardous part testing)
Probe Material: Conductive stainless steel (resistance ≤ 0.1Ω; corrosion-resistant; rigid, no deformation under 30N force)
Handle Material: Fiberglass-reinforced ABS (fully insulated, resistance ≥ 100MΩ; heat-resistant up to 140°C; ergonomic grip for precision)
Key Dimensions:
– Probe Tip Diameter: 8mm ± 0.05mm
– Probe Length: 120mm ± 0.2mm
– Handle Length: 150mm ± 0.5mm
– Total Length: 270mm ± 0.5mm
Applied Thrust: 30N ± 3N (standard for dual IEC/UL testing; simulates moderate accidental contact with industrial equipment)
Core Function: Detects accessible hazardous live parts in transformers/power supplies; ensures compliance with both IEC standards and UL 1017 Figure 4

Test Procedures:
1. Inspect the probe for damage (bent tip, cracked insulation, poor conductivity) and confirm rigidity.
2. Power on the equipment under test (EUT, e.g., commercial transformer) and set it to normal operating mode.
3. Hold the insulated handle, align the 8mm probe tip with EUT gaps (vents, terminal panel seams).
4. Apply a steady 30N thrust to the probe—advance until resistance stops insertion.
5. Check the connected live-part detector for signals (indicating contact with hazardous parts).
6. Record results: Pass if no contact; Fail if live parts are accessible.

Applications:
1. Testing vent gaps in industrial transformers (per UL 1017:2023 Figure 4) to block high-voltage winding access.
2. Verifying terminal openings in global-market power supplies (compliant with IEC 61558-1:2020) for electric shock prevention.
3. Safety checks for IT server power modules (per UL 60950-1:2023) to protect technicians from live components.
4. Quality control for medical device transformers (e.g., ultrasound machine power units) during manufacturing.
5. Post-production testing of industrial reactors’ panel seams to meet both North American and international safety rules.