ZR011
The ZR 011 houses two separate thermostats, allowing the independent control of heating and cooling or other equipment. Thermostat NC (normally closed): Thermostat opens at temperature rise – for regulating heaters or for switching signal devices. Comes with redtemperature dial. Thermostat NO (normally open): Thermostat closes at temperature rise – […]
The ZR 011 houses two separate thermostats, allowing the independent control of heating and cooling or other equipment.
Thermostat NC (normally closed): Thermostat opens at temperature rise – for regulating heaters or for switching signal devices. Comes with redtemperature dial.
Thermostat NO (normally open): Thermostat closes at temperature rise – for regulating filter fans and heat exchangers or for switching signal devices. Comes with blue temperature dial.
Dual control for heating & cooling
Adjustable dual temperature dials
Mechanical, no power required
DIN rail mount
Flame-retardant housing
Technical Date
| Switch temperature difference | 7K (± 4K tolerance) |
| Sensor element | thermostatic bimetal |
| Contact type | snap-action contact |
| Service life | > 100 000 cycles |
| Max. switching capacity | 250VAC, 10 (2) A |
| 120VAC, 15 (2) A | |
| DC 30W | |
| Connection | 4-pole terminal, clamping torque 0.5Nm max.: |
| rigid wire 2.5mm2, | |
| stranded wire (with wire end ferrule) 1.5mm2 | |
| Mounting | clip for 35mm DIN rail, EN60715 |
| Casing | plastic according to UL94 V-0. light grey |
| Dimensions | 67 x 50 x 46mm |
| Weight | approx. 90g |
| Fitting position | variable |
| Operating/Storage temperature | -45 to +80°C (-49 to +176°F) |
| Operating / Storage humidity | max. 90 % RH (non-condensing) |
| Protection type | IP20 |
| Approvals | CE |
Dimension
-
Top 10 Electrical Protection Brands Used in Commercial and Industrial Power Systems
Introduction As commercial and industrial power systems continue to grow in scale and complex...
Date:2026-01-09 -
What Size MCB Do I Need? A Practical Guide to Choosing the Right Circuit Breaker
Choosing the right MCB is one of those decisions that looks simple at first, but often causes pr...
Date:2026-03-27
Why Is Short-Circuit Coordination Important in a Motor Starter?
A motor starter does more than switch a motor on and off. It must also protect the motor circuit when...
Date: 2026/06/11
Circuit Breaker vs Contactor vs Overload Relay: What Is the Difference?
Quick Answer A circuit breaker, contactor, and overload relay are often installed together in a motor control circuit, but they...
Date: 2026/06/09
What Wire Size Mistakes Can Make a 60 Amp Breaker Unsafe?
Quick Answer A 60 amp breaker wire size should not be selected from the breaker rating alone. Although 6 AWG copper...
Date: 2026/06/08
What Is the Purpose of a Miniature Circuit Breaker in a Low-Voltage Electrical System?
Quick Answer The main purpose of a Miniature Circuit Breaker is to protect low-voltage electrical wiring and circuits against excessive current...
Date: 2026/06/05
Why Is MCB Protection Not Only About Rated Current?
Quick Answer MCB protection is not only about rated current because an MCB must protect the whole circuit, not just...
Date: 2026/06/03