GKONE GK3110R NC Bimetallic Thermostat | DIN Rail Mount Cabinet Temperature Controller (Normally Closed)

Product Overview

GKONE GK3110R is a high-performance NC (Normally Closed) bimetallic thermostat specially designed for precise heater control and temperature regulation in electrical cabinets, automation enclosures, and industrial distribution boxes. As a direct replacement for SK3110R, it delivers stable performance, easy installation, and exceptional cost-effectiveness, making it the top choice for global industrial temperature control applications.

Key Features & Advantages

• NC Normally Closed Design: Normally closed contact configuration, automatically disconnects when temperature rises to set value, ideal for controlling cabinet heaters to prevent overheating.

• Precise Temperature Control: High-sensitivity bimetallic sensor, adjustable 5~60°C range, low switching difference (1K±0.8K) for accurate and stable temperature regulation.

• Standard DIN Rail Mount: Quick snap-on installation on 35mm DIN rail (EN 50022), supports vertical/horizontal flexible mounting.

• High Electrical Performance: 10(4)A 250VAC contact rating, silver alloy contacts, long mechanical life (>100,000 cycles), strong load capacity.

• Industrial-Grade Durability: UL94-V0 flame retardant housing, IP20 protection, operating temperature -20°C~+80°C, dust and interference resistant.

• Perfect Compatibility: Direct replacement for Rittal SK3110R and similar NC thermostat models, plug-and-play without modification.

• Global Certifications: Fully compliant with CE and RoHS standards, suitable for worldwide industrial use.

• Compact & Lightweight: 71×71×33.5mm dimensions, net weight 95g, space-saving for compact enclosures.

Technical Specifications

• Temperature Setting Range: +5°C ~ +60°C

• Switching Differential: Approx. 1K ± 0.8K

• Contact Type: NC (Normally Closed), quick-action snap switch

• Contact Rating: 10(4)A / 250VAC (Heating), DC 30W

• Insulation Voltage: ≥ 2kV

• Protection Degree: IP20

• Operating Ambient: -20°C ~ +80°C, 45%~85%RH

• Mounting: 35mm DIN Rail (EN 50022)

• Housing Material: UL94-V0 Flame Retardant PC

• Color: Light gray (RAL 7035)

• Dimensions: 71×71×33.5mm

• Net Weight: 95g

Applications

• Electrical control cabinets and automation panels

• Industrial PLC and frequency converter enclosures

• Cabinet heater and heating element control systems

• Server racks and telecom equipment cabinets

• Outdoor electrical boxes and solar inverter cabinets

• Power distribution and transformer enclosures

• HVAC and heat exchanger temperature control

• Various industrial machinery heater regulation

Advantage

• Outstanding Cost-Performance: Factory-direct GKONE brand, competitive pricing with premium quality, reduces equipment costs significantly.

• Guaranteed Quality: Strict production inspection and full-load testing, stable performance, long service life, reliable quality assurance.

• 1-Year Warranty: Complete after-sales support and professional technical service for worry-free operation.

• Efficient Service: Fast inquiry response, in-stock items, quick global shipping to meet project demands.

• Reliable Replacement: Direct alternative to high-end brand SK3110R, same NC function, better price, stable supply.