Range & Prices

The prices shown are list prices and perfectly safe to use for budget purposes. Contact your electrical wholesaler for final prices.

Cables

Model	W/m	List Price/m (under 50m)	List Price /m (50m+)
CRJ-10	10	£16.00	£15.00
CRJ-25	25	£28.00	£27.00
CRJ-40	40	£28.00	£27.00

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CRJM cable is suitable for installation on plastic and metal pipes

CRJ cable is suitable for installation on plastic and metal pipes

Accessories

Model	Description	List Price
CRJ-T1	Termination Kit (one per circuit) uses shrink on material – not for use when ATEX approval required. Prepares one end for electrical connection and seals the far end.	£23.00
CRJ-S	Splice /T Kit (one for every splice or T joint) – uses shrink on material – not for use when ATEX approval required – max temperature 80˚C	£24.00
PF-T	Fixing Tape (33m long x 19mm) for fixing cable to pipe – max temp 80°C	£5.00
AL-50	Aluminium Tape (48m long x 45mm wide) – for wrapping plastic pipes before installing cable or for fixing cable to pipe – max temp 110°C	£17.00
PF-L	Caution Labels (10 pack) apply to outside of insulation	£9.50
FST3-EX	Frost Thermostat Outdoor Use Only (20A) IP66	£133.00
FST-RS	Frost Thermostat Indoor Use (20A)	£138.00
THT	Capillary Thermostat IP66 (20A)	£160.00

Technical Specification

Application	Water pipe freeze protection
	Temperature maintenance (up to 50˚C)
Voltage	230V
Outputs	10 to 40W/m (see selection table)
Construction	Parallel (can be cut to length without affecting output per metre)
Earth protection	Continuous metal braid
Outer jacket	Thermoplastic
Maximum exposure temperature (power on)	65˚C (CRJM) 85˚C (CRJ)
Maximum exposure temperature (power off)	85˚C
Minimum installation temperature	-40˚C
Ingress protection	IP67
Minimum bending radius	35mm
Weight (kg/100m)	9.3 (CRJM) 11.8 (CRJ)

Maximum Length (m) / Circuit Breaker Size (type C)

Cable	Start-up Temp (˚C)	6A	10A	16A	20A	32A
CRJ-10	+10	84	136	198	——	——
	0	74	122	188	——	——
	-20	55	108	174	176	——
CRJM-17	+5	54	88	102	——	——
	0	50	84	102	——	——
	-20	34	56	88	102	——
CRJ-25	+10	——	74	118	124	124
	0	——	68	108	120	120
	-20	——	60	94	112	112
CRJ-40	+10	——	46	74	92	98
	0	——	42	66	84	94
	-20	——	36	58	74	88

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Selection

If you would like the experts at BN Thermic to select a pipe freeze protection system for you, please click below to access our enquiry form. Simply provide as much information as you have available and we will respond with a detailed proposal.

Enquiry Form

Cable Selection

Selection Table – Pipe Freeze Protection (based on a minimum ambient temperature of -20˚C and mineral wool insulation). Cable installed in a straight line.
Outside Pipe Diameter	Insulation Thickness (mm)
Outside Pipe Diameter	12	25	50
12mm ( ½” Pipe)	CRJ-10	CRJ-10	CRJ-10
25mm ( 1” Pipe)	CRJ-10	CRJ-10	CRJ-10
50mm (2” Pipe)	CRJM-17	CRJ-10	CRJ-10
75mm (3” Pipe)	CRJ-25	CRJM-17	CRJ-10
100mm (4” Pipe)	CRJ-40	CRJM-17	CRJ-10
150mm (6” Pipe)	—–	CRJ-25	CRJM-17
200mm (8” Pipe)	—–	CRJ-40	CRJM-17

Note: a frost thermostat is always recommended

Selection Table -Temperature Maintenance Protection (based on a minimum ambient temperature of -15˚C, carbon steel pipe and mineral wool insulation). Cable installed in a straight line.
Outside Pipe Diameter	Pipe Temperature	25mm Thick Insulation	50mm Thick Insulation
25mm (1” Pipe)	20°C	CRJ-25	CRJ-25
	30°C	CRJ-25	CRJ-25
	40°C	CRJ-40	CRJ-25
	50°C	—–	CRJ-40
50mm (2” Pipe)	20°C	CRJ-25	CRJ-25
	30°C	CRJ-40	CRJ-25
	40°C	—–	CRJ-40
	50°C	—–	CRJ-40
75mm (3” Pipe)	20°C	CRJ-25	CRJ-25
	30°C	CRJ-40	CRJ-40
	40°C	—–	CRJ-40
100mm (4” Pipe)	20°C	CRJ-40	CRJ-25
	30°C	—–	CRJ-40
	40°C	—–	CRJ-40

Important Notes – when selecting cable for temperature maintenance applications

Changes in selection parameters can affect cable selection. Please call BN Thermic to discuss cable selection for your project.

Additional pipe temperature control is always recommended

This selection table is designed to cover the more commonly encountered applications. If your requirements fall outside the limit of this table, please call BN Thermic.

Nominal output for cable installed on an insulated carbon steel pipe