Name: LT 4000-S/SP34 , LT4000-S/SP34
Brand: MacroQuest
SKU: MQ-LT 4000-S/SP34
Price: 1940.46 USD
Availability: InStock
Rating: 5 (12 reviews)

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Parameter	Specification	Why It Matters to You
Model No.	LT 4000-S/SP34	Genuine LEM identifier — accurate selection.
Rated Current (I_PN)	4000 A RMS	Ultra-high range — perfectly matches electrolytic plating, large VFDs, and traction systems.
Measuring Range (I_P)	0 ~ ±6000 A	Ample safety margin! Withstands 1.5x overload without distortion.
Output Signal (I_SN)	800 mA instantaneous current	High-current output — excellent noise immunity for long-distance transmission.
Conversion Ratio (K_N)	1:5000	Precision turns ratio — ensures conversion accuracy.
Aperture Diameter	102 mm	Ultra-large aperture! Accommodates large busbars or multiple parallel cables.
Measurement Technology	Closed-loop Hall Effect	Core technology! Active compensation — eliminates core saturation, high accuracy, low drift.
Accuracy (X_G)	±0.5 %	High precision — meets industrial control requirements.
Linearity (ε_L)	< 0.1 %	Top-tier linearity! Virtually distortion-free output across full range.
Frequency Bandwidth	DC ~ 100 kHz (-1dB)	Measures DC and AC up to 100kHz — suitable for high-frequency applications.
Response Time (t_r)	< 1 µs	Ultra-fast! Microsecond response captures extremely fast current transients.
di/dt Following Capability	> 50 A/µs	Excellent dynamic performance — follows rapid current change rates accurately.
Supply Voltage (V_C)	±24V DC (±5%)	Industrial standard bipolar power supply.
Insulation Test Voltage (V_d)	12 kV RMS / 50Hz / 1 min	Ultra-high isolation! 12kV withstand voltage — ensures safety.
Impulse Withstand Voltage	17.7 kV (1.2/50 µs)	Withstands lightning surges — suitable for harsh electrical environments.
Creepage Distance (d_cp)	75.8 mm	Ultra-large creepage distance — meets high-voltage safety standards.
Clearance Distance (d_c)	69.8 mm	Adequate air insulation — prevents flashover.
Operating Temperature (T_A)	-40℃ ~ +70℃	Ultra-wide range! EN 50155 OT4 rated — withstands extreme cold and heat.
Protection Rating	IP40	Indoor installation — dust protection.
Mounting Type	Panel mount	4 × φ10.5mm mounting slots, M8 screws — secure installation.
Secondary Connection	M5 threaded studs	Secure connection — no additional terminals needed.
Certification Standards	EN 50155:2021, EN 61326-1, IEC 61010-1	Railway rolling stock certification — proven reliability.
Part Status	Active	Currently in production — full manufacturer support.

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LT 4000-S/SP34 , LT4000-S/SP34

LEM LT 4000-S/SP34 Ultra-High Range Closed-Loop Hall Effect Current Transducer

LT 4000-S/SP34 Product Overview: The "Flagship" Choice for Ultra-High Current Monitoring

LT 4000-S/SP34 Key Technical Specifications

LT 4000-S/SP34 Key Advantages: Why Choose the LT 4000-S/SP34?

1. 4000A Rated / ±6000A Wide Range — Perfect for Ultra-High Power Systems

2. 12kV Ultra-High Insulation Withstand Voltage — The Highest Standard of Safety

3. Closed-Loop Hall Effect Technology — Precision and Stability Combined

4. 1µs Ultra-Fast Response + 100kHz High Bandwidth — High-Frequency Dynamics Captured

5. 800mA High Current Output — Excellent Noise Immunity for Long-Distance Transmission

6. EN 50155 Railway Standard Certification — Proven Reliability