LS Thermal Overload Relay RELAY,MT-32(1.6-2.5A),LS
RELAYMT-3216-25ALS
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LS Electric
LS Thermal Overload Relay RELAY,MT-32(1.6-2.5A),LS
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Specifications
| Brand | LS Electric |
|---|---|
| Model Number | RELAY,MT-32(1.6-2.5A),LS |
| Official Product Name | LS MT-32 1.6-2.5A Thermal Overload Relay |
| Applicable System | LS MC series contactors and DOL motor starters |
| Product Type | Thermal Overload Relay |
| Equivalent Standard | Certified to CCC, CE, UL, CSA |
| Product Status | Available |
| Series | METASOL MT |
| Number of Poles | 3 |
| Adjustment Current Range | 1.6-2.5A (3H 2.1 heater) |
| Trip Class | Class 10A |
| Rated Operational Voltage (Ue) | 690 V AC |
| Rated Insulation Voltage (Ui) | 690 V |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV |
| Heater Type | 3-heater, non-differential |
| Mounting | Direct on-contactor mounting |
| Reset Mode | Manual / Automatic |
| Terminals | Screw clamp terminals |
| Auxiliary Contacts | 1 NO + 1 NC |
| Frame Size | 40AF |
| Compatible Contactors | MC-9b, MC-12b, MC-18b, MC-22b, MC-32a, MC-40a |
| Ambient Temperature | Contact us for exact specifications |
| Weight | Contact us for exact specifications |
| Overall Dimensions (W x H x D) | 45 x 75 x 90 mm (approx) |
| Country of Origin | South Korea |
| Standards / Certifications | CCC, CE, UL, CSA |
Product Description
Calibrated to the 1.6-2.5A adjustable band (3H 2.1 heater), it mounts directly on LS MC contactors for fast, compact motor protection. The LS MT-32 1.6-2.5A thermal overload relay is part of the LS Electric METASOL MT series, a bimetal-style 3-pole device that protects AC motors from overload, phase loss and prolonged stalling.
Basic Product Information
- Trip Class 10A for fast motor protection against sustained overcurrent
- Direct on-contactor mounting under LS MC-9b to MC-40a contactors
- Built-in 1 NO + 1 NC auxiliary contacts (95-96 NC trip, 97-98 NO alarm)
- Front TEST / TRIP / RESET buttons with manual or automatic reset
- Adjustable bimetal thermal overload protection with calibrated current dial
Technical Specifications
Version & Model Difference
The LS MT-32 series is offered across a full family of adjustable current bands from 0.10 A up to 40 A. This unit is calibrated to the 1.6-2.5A band (3H 2.1 heater). All bands share the same 3-pole frame, 690 V AC rating, Class 10A trip and direct-mount design; they differ only in the calibrated trip band printed on the dial.
Application Scenarios
- Industrial motor control centers and panelboards
- HVAC systems and ventilation fans
- Pump and compressor motor control
- Conveyor and manufacturing machinery
- Direct-on-line (DOL) starters with contactors
- LS RKN 3P+N 40A 30mA Residual Current Circuit Breaker (RCCB)
- LS 40A 30mA RKN 3P+N Residual Current Circuit Breaker (RKN4030)
- LS Metasol MC-12A Magnetic Contactor, AC 220 V Coil
- LS MC-12A 24VDC PLC Controller (MC-12A)
- LS MC-18A 220VAC Magnetic Contactor (MC-18A)
- LS MC-18A 24VDC PLC Module (MC-18A 24VDC)
- LS MC-6A 220VAC Contactor (MC-6A 220VAC)
Frequently Asked Questions
What does the LS MT-32 1.6-2.5A thermal overload relay do?
It protects 3-phase AC motors from damage caused by overload, phase loss and prolonged stalling by tripping the control circuit when current exceeds the set 1.6-2.5A band.
Which LS contactors can it mount on?
It direct-mounts on LS MC-9b, MC-12b, MC-18b, MC-22b, MC-32a and MC-40a contactors, shortening installation time and downtime.
What trip class does it provide?
It provides Trip Class 10A protection, tripping within the standard Class 10 window to safeguard motors against sustained overcurrent.
How is the relay reset after a trip?
It features a front TEST / TRIP / RESET button with selectable manual or automatic reset. The 95-96 NC contact cuts the control circuit and the 97-98 NO contact can drive an alarm.
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