Morley-IAS 22051E-26 Low profile Optical Smoke Sensor, no Isolator
| Stock available | Qty | Delivery |
|---|---|---|
| Poole | 0 | None in Poole |
| UK Hub | 31 | 1 to 3 working days |
- Detection chamber designed for improved false alarm immunity, with improved resilience to dust and reduced risk of false alarms from insects
- Series 200 Advanced protocol
- Two integral tri-colour LEDs (red, green and amber) giving 360° visual indication, programmable static or blinking
- Rotary decade address switches
- Smoothing filters and embedded algorithms to help reject transient environmental noise
- Meets WEEE and RoHS requirements
Frequently bought together

Product details
The Morley-IAS 22051E-26 is a low profile addressable optical smoke detector from the Series 200 Advanced range, for Morley-IAS analogue addressable fire alarm systems. It fits B501AP series bases and is backwards compatible with Series 200 Plus devices.
The 22051E-26 is a white Series 200 Advanced analogue addressable photoelectric (optical) smoke sensor without an isolator, supplied under the Morley-IAS brand and manufactured by System Sensor. It uses the Series 200 Advanced protocol and is mechanically and electrically backwards compatible with existing Series 200 Plus devices. It requires a B501AP base (sold separately).
Key features
- Detection chamber designed for improved false alarm immunity, with improved resilience to dust and reduced risk of false alarms from insects
- Series 200 Advanced protocol
- Two integral tri-colour LEDs (red, green and amber) giving 360° visual indication, programmable static or blinking
- Rotary decade address switches
- Smoothing filters and embedded algorithms to help reject transient environmental noise
- Meets WEEE and RoHS requirements
Frequently asked questions
Does the 22051E-26 include a base?
No. It requires a B501AP base, which is sold separately; B500 series bases are also compatible.
Does it have a built-in isolator?
No, the 22051E-26 is the version without an isolator.
Is it compatible with older Series 200 Plus devices?
Yes. It is mechanically and electrically backwards compatible with existing Series 200 Plus devices.










