Lovato CNH20 auxiliary contact is a compact industrial accessory designed to add two normally open circuits to compatible Lovato CN contactors. As SKU CNH20, this 0.5 DIN module accessory integrates with CN25…, CN3210…, CN3201…, CN40… and CN63… ranges, delivering dependable auxiliary switching for control and signalling. Built for panel builders and OEMs, it extends functionality without compromising space or simplicity.
Engineered for longevity and compliance, the CNH20 offers a 6 A Ith with 500 V rated insulation voltage and 4 kV impulse withstand. It achieves 3,000,000 mechanical cycles and performs from -5 to 55 °C, up to 2000 m altitude, Pollution degree 3. Terminal screws accept up to 0.8 Nm torque. Certified to IEC/EN 60947 series and IEC/EN 61095, this accessory delivers reliable auxiliary control in demanding environments.
Key Benefits
Provides two NO auxiliary contacts for signalling and control expansion.
Compatible with Lovato CN25… to CN63… contactor ranges.
Compact 0.5 DIN module width to optimise panel space.
Robust 6 A Ith rating for versatile control circuits.
Ui 500 V and Uimp 4 kV for strong insulation performance.
Long mechanical life of 3,000,000 cycles to reduce downtime.
Complies with IEC/EN 60947 standards for assured reliability.
What’s Included
CNH20 auxiliary contact module (2NO)
Quick reference installation guide
Manufacturer’s product documentation
Applications
Adding two NO auxiliary circuits to compatible Lovato CN contactors
Status signalling within control panels and switchgear
Interlocking and logic functions in industrial control schemes
Expanding control and monitoring points on machinery
Technical Specifications
HS Code
85365080
Product type designation
CN
Ith (IEC)
6 A
Rated insulation voltage Ui (IEC/EN)
500 V
Rated impulse withstand voltage Uimp
4 kV
Mechanical life
3000000 cycles
Operating temperature
-5 to 55 °C
Storage temperature
-30 to 80 °C
Max altitude
2000 m
Terminal tightening torque (max)
0.8 Nm
Weight
44 g
Pollution degree
3
Frequently Asked Questions
Which contactors is the CNH20 compatible with?
It is an accessory for CN25…, CN3210…, CN3201…, CN40… and CN63… contactors.
What is the contact configuration of the CNH20?
It provides two normally open (2NO) auxiliary contacts.
What are the key electrical ratings?
Ith is 6 A, rated insulation voltage Ui is 500 V, and Uimp is 4 kV.
What environmental limits apply to this accessory?
Operating temperature is -5 to 55 °C, storage -30 to 80 °C, up to 2000 m altitude.
Which standards does the CNH20 comply with?
It conforms to IEC/EN 60947-1, 60947-4-1, 60947-5-1 and IEC/EN 61095.
Safety note: Installation and wiring should be performed by qualified personnel with power isolated. Observe specified ratings, tightening torque and environmental limits per the stated IEC/EN standards.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...